Inventor
Walter Parfomak
Inventor
Wallington, NJ, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Pprimary
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters37%
Y10TTechnical subjects covered by former us classification26%
G01CMeasuring distances, levels or bearings21%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
H02KDynamo-electric machines5%
PatentTitleYear
5,953,491'Control system for a permanent magnet motor'19995,796,227'Initialization damping for a permanent magnet motor'19985,751,131'Dynamic rate feedback PM motor starting technique'19985,559,417'Electronically commutated two-axis gyro control system'19965,321,986'Polar loop implementation for a two degree of freedom gyro'19945,321,635'Synchro drive stabilization system'19945,313,148'Electronically commutated two-axis gyro control system'19944,862,050'Optical commutation and tilt sensing for a permanent magnet gyro'19894,818,922'Optical commutation for permanent magnet motors'19894,673,849'Permanent magnet motor closed loop restarting system'19874,492,902'Permanent magnetic motor common leg impedance compensation means'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–1987Patents assigned to ALLIED CORP (2)· patent assignee history
1985–1999Based in Wallington, NJ, US· patent location history
1989–1999Patents assigned to ALLIED SIGNAL INC (9)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ALLIED SIGNAL INC | 9 | 1989–1999 |
| ALLIED CORP | 2 | 1985–1987 |
Locations
| Location | Patents | Span |
|---|---|---|
| Wallington, New Jersey, US | 11 | 1985–1999 |