Welcome! 

Register :: Login
Manufacturers Index - General Electric Co.

General Electric Co.
Schenectady, NY, U.S.A.
Company Website: http://www.ge.com/
Manufacturer Class: Wood Working Machinery & Steam and Gas Engines

Patents
This page contains information on patents issued to this manufacturer.

Submitting Patent Information

If you find a patent number or patent date by this manufacturer that is not on this list, please contact the Site Historian.


Key to Links for Patent Information

USPTO = U.S. Patent Office . Images of the actual patent can be viewed on the U.S. Patent Office web site but a special TIFF viewer must be installed with your browser in order properly work. More information on how to configure your computer to view these patents can be found at TIFF image Viewers for Patent Images.
DATAMP = Directory of American Tool And Machinery Patents . A sister site to VintageMachinery.org with information on patents related to machinery and tools. A much easier user interface than the USPTO's for finding information on machinery patents.

Patent Number Date Title Name City Description
287,511 Oct. 30, 1883 Electric Regulator Thomas A. Edison Menlo Park, Middlesex County, NJ
413,292 Oct. 22, 1889 Electric measuring-instrument Elihu Thomson Lynn, MA A GE current meter was seen with this patent date on it.
Thomson-Houston was established in 1883 and then in 1892 merged with Edison General Electric Company of Schenectady to form General Electric Co.
516,815 Mar. 20, 1894 Portable Planer Henry B. Hughes Schenectady, NY
544,396 Aug. 13, 1895 Winding of dynamo-electric machines or motors Elihu Thomson Swampscott, MA This patent date was seen on a 3 HP induction motor from GE with "MAR.14, 1905" being the latest patent date.
570,424 Oct. 27, 1896 Electric motor Sebastian G. Brinkman New York, NY "My invention relates to an improved construction of the armature, which I provide with a surrounding soft-iron jacket. This jacket not only serves as a means for attaching the armature to its shafts by a pair of heads or spiders, but it also serves to produce a uniformity in the magnetic flux that passes through the armature."
The only mentions of the assignee that we can find are in relation to this patent. Since we have seen this patent date on a GE induction motor (and this is the only electric-motor patent issued on this date, we assume that GE bought out the assignee before they had a chance to begin manufacturing the motor.
596,186 Dec. 28, 1897 Phase Regulator Charles P. Steinmetz Lynn, Essex County, MA
    Phase Regulator Edwin W. Rice Swampscott, Essex County, MA  
620,966 Mar. 14, 1899 Induction Motor Edwin W. Rice Jr. Schenectady, NY Original application filed 29 Jul 1893. Divided and this application filed 16 Oct 1897.
    Induction Motor Charles P. Steinmetz Schenectady, NY  
620,965 Mar. 14, 1899 Alternating Current Motor Edwin W. Rice Swampscott, Essex County, MA
    Alternating Current Motor Charles P. Steinmetz Lynn, Essex County, MA  
664,190 Dec. 18, 1900 Alternating-current electric motor Elihu Thomson Swampscott, MA This patent date was seen on a GE induction motor.
677,308 Jun. 25, 1901 Alternating-current motor Rudolf Eickemeyer Yonkers, NY Inventor Eickemeyer was deceased.
714,881 Dec. 02, 1902 Clamping-finger William L. R. Emmet Schenectady, NY
714,811 Dec. 02, 1902 Brush-holder Walter D. Litchfield Schenectady, NY
714,786 Dec. 02, 1902 Controlling Electric Motors Maxwell W. Day Schenectady, Schenectady County, NY
714,934 Dec. 02, 1902 Means for Preventing Breakdown of High Potential Windings Walter S. Moody Schenectady, Schenectady County, NY
715,019 Dec. 02, 1902 Means for Synchronizing Motors Frank E. Case Schenectady, Schenectady County, NY
715,220 Dec. 02, 1902 Means of Measuring Alternating Electric Currents Milton E. Thompson Ridgeway, Elk County, PA Original application 30 Dec. 1896. Divided and this application filed 07 May 1902.
715,195 Dec. 02, 1902 Method of Synchronizing Motors Frank E. Case Schenectady, Schenectady County, NY Original application 11 Feb. 1899. Divided and this application filed 16 Apr. 1902.
714,862 Dec. 02, 1902 Controlling Electric Motors Harold W. Buck Niagara Falls, Niagara County, NY
714,916 Dec. 02, 1902 Automatic Clutch James W. Kellogg Schenectady, Schenectady County, NY
745,336 Dec. 01, 1903 Commutator-bar William Le R. Emmet Schenectady, NY
780,547 Jan. 24, 1905 Starting-switch for electric motors John B. Wiard Lynn, MA General Electric was created with the 1892 merger of the Edison General Electric Company of Schenectady, NY and the Thomas-Houston Company of Lynn, Mass. As of 2013, GE is still operating in both of these locations.
784,807 Mar. 14, 1905 Dynamo-electric machine Henry G. Reist Schenectady, NY
787,303 Apr. 11, 1905 Alternating-current series motor Marius Charles Arthur Latour , France
816,369 Mar. 27, 1906 Speed Changing Device Otto F. Persson Lynn, Essex County, MA
859,336 Jul. 09, 1907 Double Acting Tool for Planers and Shapers John Riddell Schenectady, NY My invention relates to double-acting tools for metalworking machinery, such as planers, shapers, etc., and has for its object to provide a simple double-acting tool, which may be readily connected to or disconnected from the ordinary forms of planers and shapers. Double-acting tools, or tools which cut upon both the forward and the return strokes, are used only for roughing out purposes, and must accordingly be replaced by a single-acting tool to finish each set-up of work and be reinserted again for each new set-up, and on account of the difficulty and the time consumed in making these changes in devices of this kind, as heretofore constructed, they have been used but rarely upon the larger planers and practically never upon small planers and shapers. My invention consists of a tool-holder provided with, a shank adapted to be held in operative position by the ordinary tool post of a planer or shaper head, the only changes required to adapt the ordinary planer or shaper for use thereof consisting in the provision of an attachment for reversing the position of the tool and a catch to hold the apron from outward movement upon the back stroke.
890,697 Jun. 16, 1908 Protective device for unipolar machines Jakob E. Noeggerath Schenectady, NY
897,475 Sep. 01, 1908 Alternating-current motor Maurice Milch Schenectady, NY
897,545 Sep. 01, 1908 Single-phase commutator-motor Marius Charles Arthur Latour , France
928,037 Jul. 13, 1909 Dynamo-electric machine William H. Frost Schenectady, NY "The object of my present invention is the production of a revolving field magnet which is simple and easy of construction and is well adapted to sustain the stresses produced by its operation at high speeds."
928,084 Jul. 13, 1909 Insulating-stud Louis E. Underwood Lynn, MA "My invention... is particularly applicable to such studs when used to support brush-holders of dynamo-electric machines, and has for its object a simple, cheap and rigid construction."
1,016,865 Feb. 06, 1912 Alternating-current dynamo-electric machine Friedrich Eichberg , Austria-Hungary
    Alternating-current dynamo-electric machine Gabriel Winter , Austria-Hungary  
1,016,866 Feb. 06, 1912 Alternating-current dynamo-electric apparatus Friedrich Eichberg , Austria-Hungary
    Alternating-current dynamo-electric apparatus Gabriel Winter , Austria-Hungary  
1,041,859 Oct. 22, 1912 Motor Controlling Device Thomas W. Nowell Schenectady, NY
1,043,887 Nov. 12, 1912 Dynamo-electric machine John B. Wiard Lynn, MA This patent date has been seen on a GE induction motor also carrying the patent date for 1,190,054.
1,073,201 Sep. 16, 1913 Dynamo-electric machine Friedrich Eichberg , Austria-Hungary Co-inventor Winter was deceased at the time the patent was issued. There was an unusually long interval between the original patent filing and the granting.
    Dynamo-electric machine Gabriel Winter , Austria-Hungary  
1,073,311 Sep. 16, 1913 Dynamo-electric machine Friedrich Eichberg , Austria-Hungary Co-inventor Winter was deceased at the time the patent was issued. There was an unusually long interval between the original patent filing and the granting.
    Dynamo-electric machine Gabriel Winter , Austria-Hungary  
1,102,116 Jun. 30, 1914 Dynamo-electric machine James J. Wood Fort Wayne, IN
1,114,534 Oct. 20, 1914 Excitation of dynamo-electric commutator-machines Arthur Scherbius , Switzerland
1,115,289 Oct. 27, 1914 Alternating-current dynamo-electric machine Franz Hillebrand , Germany
    Alternating-current dynamo-electric machine Ludwig Dreyfus , Germany  
1,118,433 Nov. 24, 1914 Compensating winding for polyphase commutating-machines with drum-armatures Heinrich Meyer-Delius , Switzerland
1,121,014 Dec. 15, 1914 Electrical apparatus Henry M. Hobart Schenectady, NY
1,135,327 Apr. 13, 1915 Dynamo-electric machine Marion A. Savage Schenectady, NY
1,190,054 Jul. 04, 1916 Induction-motor John B. Wiard Lynn, MA This patent date has been seen on a GE induction motor also carrying the patent date for 1,043,887.
1,190,009 Jul. 04, 1916 Induction-motor Henry G. Reist Schenectady, NY This patent date was seen on a GE type SCR repulsion induction motor from the late 1920s. The patent covers a method of casting squirrel-cage motor cores, and "consists in pouring molten metal into a mold surrounding the magnetic core of an induction motor and simultaneously rotating the mold and core at sufficient speed to drive the molten metal into the conductor receiving openings in the core by centrifugal force, and continuing the rotation until the poured metal has congealed..."
    Induction-motor Howard Maxwell Schenectady, NY  
1,268,738 Jun. 04, 1918 Elastic Fluid Turbine William J. A. London Springfield, Hampden County, MA
1,269,489 Jun. 11, 1918 Control for Turret Lathes and the Like Edwin J. Murphy Schenectady, NY Albert G. Davis - patent attorney
My invention relates to the control of electric motors and has for its object the provision of means whereby the speed of an electric motor may be varied in accordance with the work to be done in a reliable, simple and efficient manner. My invention relates more specifically to the control of electric motors employed for driving machine tools and the like. In the operation of machine tools such as turret lathes, screw machines, and similar machines, it is very desirable that different speeds be given to the motor to correspond to the different classes of work to be done. For instance, the first operation of a turret lathe may be "drilling," the next "tapping" and the next "facing," etc., each of which requires a different cutting speed from the other. The turret may carry as many as 6 or 7 cutting tools and they may each require a different cutting speed so that there will be 6 or 7 speeds for the motor corresponding to the 6 or 7 different positions of the turret. This has been accomplished heretofore by having a controller which is rotated when the turret is turned so as to vary the motor's speed. In this case each position of the controller corresponds to a definite speed on the motor, that is, there is a definite speed for each tool in the turret. It is desirable, however, for each tool to be given a range of speeds so that when a tool is in working position it may have any required speed. An attempt has been made to accomplish this by the use of cams, one for each job, each cam having the proper cam surface to shift the controller the required amount. This involves an unwarranted expense in the making of cams especially in the shops where all kinds of work are done and any machine is liable to be changed from one class of work to another of quite a different character.
1,490,708 Apr. 15, 1924 Dynamo-electric machine Marvin L. Norris Fort Wayne, IN "I employ a short circuiting device which moves axially of the rotor shaft into contact with the commutator to short circuit the rotor winding, the device being actuated by weights which have radial motion only relative to the rotor shaft."
This patent number was seen on a GE ½ HP AC induction motor.
1,537,737 May. 12, 1925 Alternating-current commutator motor Sven R. Bergman Nahant, MA This patent was seen on a 5 HP General Electric repulsion induction motor, which is a true repulsion-induction design, not a repulsion start induction run motor.
1,566,939 Dec. 22, 1925 Dynamo-electric machine Alfred F. Welch Fort Wayne, IN "My invention... has for its object a novel construction of one of the members of such a machine whereby the magnetic material of the member is used to better advantage than was heretofore possible and the available space for the winding of the member is materially increased. Although my invention is applicable to dynamo electric machines generally, it is particularly applicable to single phase alternating current motors of the induction type provided with starting windings. A motor of this type has a nearly uniform revolving field, so that for best operation its field should present a uniform magnetic permeance for each unit element of the air gap periphery (represented usually by a tooth, where the teeth are equiangularly spaced). However, the main running winding is concentric with a larger number of turns in the outside than in the inside coils of each pole, and the starting winding requires only a very small area, part of which is arranged in slots left unfilled by the main winding. The slot area required is therefore not uniformly distributed around the periphery. Such a motor therefore requires a uniform distribution of peripheral iron cross section and a non-uniformly distributed winding... I shape the slots so that their area is such as to be filled with the winding and at the same time preserve a substantially uniform magnetic permeance."
This patent date was seen on a GE model 26136 motor, which is a 147 frame, quarter horsepower induction motor with the power applied to the rotor, (the usual induction motor has power applied to the stator, not the rotor) via brushes and slip rings. In a 1930 GE catalog it says, "The Type SA motors are designed with the primary or field winding on the revolving member of the rotor."
1,669,134 May. 08, 1928 Molded commutator Newton T. Kelso Fort Wayne, IN Seen on a GE Type BC 1/3 HP DC motor.
1,812,748 Jun. 30, 1931 Dynamo electric machine August Kayser Fort Wayne, IN Seen on a GE 1/2 HP induction motor.
2,085,995 Jul. 06, 1937 Insulated electrical conductor and method of making same Edward J. Flynn Schenectady, NY Seen on a GE 1/2 HP induction motor.
    Insulated electrical conductor and method of making same Winton I. Patnode Schenectady, NY  
2,180,983 Nov. 21, 1939 Dynamo-electric machine Ralph W. Hall Fort Wayne, IN Seen on a GE 1/2 HP induction motor.
2,233,982 Mar. 04, 1941 Dynamoelectric machine Gordon Kelley Nahant, MA This patent number was seen on a GE "TriClad" induction motor. The innovation is a coil winding device plus a method of wiring the motor coils using an unbroken length of wire, avoiding the need to interconnect the coils.
2,240,184 Apr. 29, 1941 Electric Gauge Claude M. Hathaway Niskayuna, Schenectady County, NY This patent is listed on a Pratt & Whitney 2E Jig Borer.
2,242,007 May. 13, 1941 Dynamoelectric machine Charles C. Leader Schenectady, NY The patent number was seen on a GE "TriClad" induction motor.
2,307,588 Jan. 05, 1943 Insulated electrical conductor Edward H. Jackson Fort Wayne, IN The patent number was seen on a GE "TriClad" induction motor.
    Insulated electrical conductor Ralph W. Hall Fort Wayne, IN  
2,347,517 Apr. 25, 1944 Dynamoelectric machine Dean F. Smalley East Lynn, MA The patent number was seen on a GE "TriClad" induction motor.
3,074,147 Jan. 22, 1963 Material Working Machine with Multiple Tool Holder John W. Miller Schenectady, Schenectady County, NY
    Material Working Machine with Multiple Tool Holder Herbert W. Nidenberg Schenectady, Schenectady County, NY