Manufacturers Index - U. S. Electrical Mfg. Co. / U. S. Electrical Motors, Inc.
U. S. Electrical Mfg. Co. / U. S. Electrical Motors, Inc.
Los Angeles, CA, U.S.A.
Manufacturer Class:
Steam and Gas Engines
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.
|
1,361,007
|
Dec. 07, 1920
|
Center cleaning and oiling device
|
Nicholas E. Brown |
Los Angeles, CA |
|
|
1,675,419
|
Jul. 03, 1928
|
Process of insulating motor windings
|
George T. Pfleger |
Los Angeles, CA |
|
|
1,794,029
|
Feb. 24, 1931
|
Cooling means for motors
|
George T. Pfleger |
Los Angeles, CA |
|
|
D84,049
|
Apr. 28, 1931
|
Design for a vertical electric motor
|
Thomas G. Myers |
Los Angeles, CA |
|
|
1,920,315
|
Aug. 01, 1933
|
Dynamo-electric machines
|
Thomas G. Myers |
Los Angeles, CA |
This patent covers a means of cooling a vertical-shaft motor "to operate deep well pumps, such as oil well pumps, and water wells." |
|
2,023,421
|
Dec. 10, 1935
|
Flexible power transmission device
|
Don Heyer |
Los Angeles, CA |
|
|
2,256,114
|
Sep. 16, 1941
|
Variable speed drive with multiple belts
|
Don Heyer |
Los Angeles, CA |
|
|
2,384,169
|
Sep. 04, 1945
|
Fluid pressure mechanism
|
Frederick O. Luenberger |
Los Angeles, CA |
|
|
|
|
Fluid pressure mechanism
|
George E. Huck |
Southgate, CA |
|
|
2,568,861
|
Sep. 25, 1951
|
Means for preventing air leakage through lubricated bearings
|
Frederick O. Luenberger |
Los Angeles, CA |
|
|
2,607,969
|
Aug. 26, 1952
|
Spacer for casting squirrel cage rotors
|
Ralph S. Thacker |
Los Angeles, CA |
|
|
|
|
Spacer for casting squirrel cage rotors
|
William M. Evans |
La Habra Heights, CA |
|
|
2,708,985
|
May. 24, 1955
|
Lubrication system
|
Robert A. Morrison |
San Gabriel, CA |
Lubrication system "that applies a fine mist of oil to gears and bearings." |
|
|
|
Lubrication system
|
William M. Evans |
La Habra Heights, CA |
|
|
2,721,774
|
Oct. 25, 1955
|
Thrust bearing structure
|
Frederick O. Luenberger |
Los Angeles, CA |
|
|
2,793,714
|
May. 28, 1957
|
Lubrication system for enclosed transmission
|
Frederick O. Luenberger |
Los Angeles, CA |
|
|
2,813,763
|
Nov. 19, 1957
|
Lubricant cooling system
|
Arlin C. Eisenhart |
Los Angeles, CA |
|
|
2,825,827
|
Mar. 04, 1958
|
Ventilated electric motors
|
Frederick O. Luenberger |
Los Angeles, CA |
|
|
2,919,359
|
Dec. 29, 1959
|
Dynamoelectric machine provided with sealing means, and process for making same
|
Frederick O. Luenberger |
Los Angeles, CA |
This patent covers a liner within the stator bore for sealing a submersible motor. |
|
2,921,553
|
Jan. 19, 1960
|
Adjustable date indicator
|
Frederick O. Luenberger |
Los Angeles, CA |
|
|
2,961,208
|
Nov. 22, 1960
|
Adjustable mounting for electrical motors
|
Frederick O. Luenberger |
Los Angeles, CA |
|
|
2,962,128
|
Nov. 29, 1960
|
Mechanism for preventing reverse motion of electric motor shafts
|
Frederick O. Luenberger |
Los Angeles, CA |
This patent covers an anti-reverse mechanism for a vertical-shaft pump motor for use in water wells and oil wells. In these applications, allowing the motor to reverse, e.g., on power failure, could damage the motor. |
|
2,991,380
|
Jul. 04, 1961
|
Magnetic core structure for dynamo-electric machines
|
George T. Pfleger |
Newport Beach, CA |
|
|
3,045,153
|
Jul. 17, 1962
|
System for controlling the starting torque of induction motor drives
|
Robert J. Carlson |
Orange, CA |
|
|