Manufacturers Index - Master Electric Co.
Master Electric Co.
Dayton, OH, U.S.A.
Manufacturer Class:
Steam and Gas Engines
This page contains information on patents issued to this manufacturer.
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If you find a patent number or patent date by this manufacturer that is not on this
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Key to Links for Patent Information
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DATAMP = Directory of American Tool And
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on patents related to machinery and tools. A much easier user interface than the
USPTO's for finding information on machinery patents.
1,640,900
|
Aug. 30, 1927
|
Short circuiter
|
Everett P. Larsh |
Dayton, OH |
|
1,678,517
|
Jul. 24, 1928
|
Short circuiting device for motor commutators
|
Everett P. Larsh |
Dayton, OH |
|
1,685,549
|
Sep. 25, 1928
|
Short circuiter
|
Everett P. Larsh |
Dayton, OH |
|
1,699,792
|
Jan. 22, 1929
|
Quick-acting switch
|
Everett P. Larsh |
Dayton, OH |
|
1,723,360
|
Aug. 06, 1929
|
Pump
|
Everett P. Larsh |
Dayton, OH |
|
1,735,579
|
Nov. 12, 1929
|
Short-circuiting device for motor commutators
|
Everett P. Larsh |
Dayton, OH |
|
1,779,006
|
Oct. 21, 1930
|
Short circuiter
|
Everett P. Larsh |
Dayton, OH |
|
1,792,645
|
Feb. 17, 1931
|
Armature bearing for electric motors
|
Everett P. Larsh |
Dayton, OH |
|
RE18,093
|
Jun. 09, 1931
|
Short circuiting device for motor commutators
|
Everett P. Larsh |
Dayton, OH |
|
1,895,288
|
Jan. 24, 1933
|
Bearing mounting
|
Everett P. Larsh |
Dayton, OH |
|
1,896,869
|
Feb. 07, 1933
|
Electric fan
|
Everett P. Larsh |
Vandalia, OH |
|
1,939,399
|
Dec. 12, 1933
|
Electric fan
|
Everett P. Larsh |
Vandalia, OH |
|
1,950,675
|
Mar. 13, 1934
|
Friction gear for stepless changing the rotation of a driven shaft
|
David Hans Heynau |
, Germany |
This patent number was seen on a "Speed Ranger" variable speed motor unit from Master Electric Co., along with patents 2,032,015 and 2,199,491. |
1,983,091
|
Dec. 04, 1934
|
Electrodynamic machine
|
Everett P. Larsh |
Vandalia, OH |
This invention varies the speed of an induction motor by varying the "slippage", which can be achieved by a device on the stator that is adjusted to increase magnetic leakage. |
1,993,449
|
Mar. 05, 1935
|
Electric motor
|
Everett P. Larsh |
Vandalia, OH |
|
2,011,493
|
Aug. 13, 1935
|
Self aligning bearing
|
Everett P. Larsh |
Dayton, OH |
|
2,032,015
|
Feb. 25, 1936
|
Friction gear transmission
|
David Hans Heynau |
, England |
This patent number was seen on a "Speed Ranger" variable speed motor unit from Master Electric Co., along with patents 1,950,675 and 2,199,491. |
2,068,992
|
Jan. 26, 1937
|
Vibrating machine
|
Everett P. Larsh |
Dayton, OH |
This patent number was seen on a floor sander from American Floor Surfacing Machine Co. The motor used in that sander was manufactured by Peerless Electric Co. of Warren, Ohio. |
2,074,067
|
Mar. 16, 1937
|
Ventilated splashproof motor housing
|
Victor L. Darnell |
Dayton, OH |
|
2,100,426
|
Nov. 30, 1937
|
Electric series-parallel switch
|
Max Voege |
Dayton, OH |
|
|
|
Electric series-parallel switch
|
Arthur F. Berger |
Dayton, OH |
|
2,116,708
|
May. 10, 1938
|
Apparatus for compacting concrete
|
Richard A. Niekamp |
Dayton, OH |
|
2,199,491
|
May. 07, 1940
|
Friction gear transmission
|
David Hans Heynau |
Cincinnati, OH |
Improvements to the variable-speed transmission of patent 2,032,015 to improve its rigidity and eliminate slippage. Both of these patent numbers were seen on a "Speed Ranger" variable speed motor unit from Master Electric Co., along with patent 1,950,675. |
2,261,477
|
Nov. 04, 1941
|
Electric motor
|
William H. Kuner |
Vandalia, OH |
"This invention pertains... more particularly to an elongated motor assembly of relatively small diameter, adapted for insertion in well casings and other restricted spaces." |
2,295,203
|
Sep. 08, 1942
|
Field ring
|
Victor L. Darnell |
Dayton, OH |
The innovation in this patent is the use of a sheet metal housing with cast end bells, where the field laminations are press or shrink fit and punching, spinning or welding are used to create "abutments" for locating brush rings. |
2,300,838
|
Nov. 03, 1942
|
Stoker motor control
|
Carl H. Dicke |
Dayton, OH |
|
2,320,379
|
Jun. 01, 1943
|
Electric motor gearing
|
Richard A. Niekamp |
Dayton, OH |
|
2,381,914
|
Aug. 14, 1945
|
Motor housing
|
Victor L. Darnell |
Dayton, OH |
|
|
|
Motor housing
|
Jerome Leflar |
Dayton, OH |
|
2,385,369
|
Sep. 25, 1945
|
Shaft coupling
|
Richard A. Niekamp |
Dayton, OH |
|
2,499,390
|
Mar. 07, 1950
|
Rotor for alternating current
|
Henry M. Joy |
Dayton, OH |
|
2,502,463
|
Apr. 04, 1950
|
Short circuiter for repulsion-induction electric motors
|
Jerome Leflar |
Dayton, OH |
|
2,586,867
|
Feb. 26, 1952
|
Governor
|
Frederick E. Smith |
Dayton, OH |
|
|
|
Governor
|
Orland L. R. Schram |
Dayton, OH |
|
D169,488
|
May. 05, 1953
|
Gearhead motor
|
Robert L. Wolfe |
Springfield, OH |
|
|
|
Gearhead motor
|
William H. Kuner |
Dayton, OH |
|
|
|
Gearhead motor
|
Anthony G. Horvath |
Dayton, OH |
|
D169,489
|
May. 05, 1953
|
Right angle gearhead motor
|
Robert L. Wolfe |
Springfield, OH |
|
|
|
Right angle gearhead motor
|
William H. Kuner |
Dayton, OH |
|
|
|
Right angle gearhead motor
|
Anthony G. Horvath |
Dayton, OH |
|
2,643,357
|
Jun. 23, 1953
|
Instantly reversible motor
|
Loris D. Clark |
Dayton, OH |
|
2,744,202
|
May. 01, 1956
|
Motor
|
Robert L. Wolfe |
Springfield, OH |
|
|
|
Motor
|
William H. Kuner |
Dayton, OH |
|
|
|
Motor
|
Anthony G. Horvath |
Dayton, OH |
|
|