Manufacturers Index - Louis Allis Co.
Louis Allis Co.
Milwaukee, WI, U.S.A.
Company Website: http://www.louisallis.com/
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
USPTO = U.S. Patent Office .
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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.
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254,413
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Oct. 06, 1925
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Speed controller
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John M. Barr |
Milwaukee, WI |
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275,069
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Nov. 01, 1927
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Motor-controlling device
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Thomas S. Watson |
Milwaukee, WI |
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284,793
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Nov. 13, 1928
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Explosion proof motor
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Harold L. Smith |
Milwaukee, WI |
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2,017,255
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Oct. 15, 1935
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Electric motor
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Charles F. Norton |
Howell, MI |
The start capacitor is formed as a ring that can fit over one of the end bells, both for compact form factor and to take advantage of the motor's fan cooling. |
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D151,308
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Oct. 05, 1948
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Design for an electric motor
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Russell I. Robinson |
Milwaukee, WI |
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Design for an electric motor
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Theodore R. Wieseman |
Milwaukee, WI |
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2,500,971
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Mar. 21, 1950
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Sanitary motor construction
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Francis J. Rathbun |
Milwaukee, WI |
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Sanitary motor construction
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Russell I. Robinson |
Milwaukee, WI |
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Sanitary motor construction
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Theodore R. Wieseman |
Milwaukee, WI |
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2,592,070
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Apr. 08, 1952
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Vertical sanitary motor
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Russell I. Robinson |
Milwaukee, WI |
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2,613,240
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Oct. 07, 1952
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Means for cooling heavy duty motors
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Russell I. Robinson |
Milwaukee, WI |
These design improvements are intended for variable-speed motors, and in particular motors used in sugar refineries. |
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487,182
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Oct. 14, 1952
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Sanitary motor construction
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Francis J. Rathbun |
Milwaukee, WI |
This is the Canadian equivalent of US patent 2,500,971. |
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Sanitary motor construction
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Russell I. Robinson |
Milwaukee, WI |
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Sanitary motor construction
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Theodore R. Wieseman |
Milwaukee, WI |
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D172,769
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Aug. 03, 1954
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Electric motor
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Carl W. Sundberg |
Ferndale, MI |
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D173,547
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Nov. 23, 1954
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Electric motor
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Carl W. Sundberg |
Ferndale, MI |
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D187,791
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May. 03, 1960
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Immersible electric motor
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Eustace S. Dunn |
Piedmont, CA |
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2,976,438
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Mar. 21, 1961
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Electric gear-motor drive unit
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Arthur M. G. Moody |
La Crosse, WI |
This gear motor has high output speed and is primarily intended for driving a centrifugal refrigeration compressor. |
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Electric gear-motor drive unit
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Russell I. Robinson |
Milwaukee, WI |
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Electric gear-motor drive unit
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Frederick G. Luber |
Milwaukee, WI |
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3,088,042
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Apr. 30, 1963
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Electric motor with improved cooling means
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Russell I. Robinson |
Thiensville, WI |
These design improvements are intended for motors in the 600 HP range. |
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684,325
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Apr. 14, 1964
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Electric motor with improved cooling means
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Russell I. Robinson |
Thiensville, WI |
This is the Canadian equivalent of US patent 3,088,042. |
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690,116
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Jul. 07, 1964
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Electric gear-motor drive unit
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Frederick G. Luber |
Milwaukee, WI |
This is the Canadian equivalent of US patent 2,976,438. |
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Electric gear-motor drive unit
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Russell I. Robinson |
Milwaukee, WI |
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Electric gear-motor drive unit
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Arthur M. G. Moody |
La Crosse, WI |
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3,188,833
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Jun. 15, 1965
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Electric motor with improved cooling means
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Russell I. Robinson |
Thiensville, WI |
The motor is a totally enclosed fan cooled (TEFC) design. |
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3,207,934
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Sep. 21, 1965
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Electric motor with improved cooling means
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Joseph W. Purman |
Milwaukee, WI |
These design improvements are intended for totally enclosed fan cooled (TEFC) motors in the 600 HP range. |
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Electric motor with improved cooling means
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Bruce T. Hein |
Milwaukee, WI |
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Electric motor with improved cooling means
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Russell I. Robinson |
Thiensville, WI |
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733,203
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Apr. 26, 1966
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Electric motor with improved cooling means
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Russell I. Robinson |
Thiensville, WI |
This is the Canadian equivalent of US patent 3,207,934. |
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Electric motor with improved cooling means
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Bruce T. Hein |
Milwaukee, WI |
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Electric motor with improved cooling means
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Joseph W. Purman |
Milwaukee, WI |
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3,479,541
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Nov. 18, 1969
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High speed liquid cooled motors
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Russell I. Robinson |
Thiensville, WI |
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828,281
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Nov. 25, 1969
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Electric motor with improved cooling means
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Russell I. Robinson |
Thiensville, WI |
This is the Canadian equivalent of US patent 3,188,833. |
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828,282
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Nov. 25, 1969
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High speed liquid cooled motors
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Russell I. Robinson |
Thiensville, WI |
This is the Canadian equivalent of US patent 3,479,541. |
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