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Inventor

Roy D. Schultz

Inventor
Erie, PA, US

Overview

14→
Patents
1981–2018
Patent span
Electricity
Primary field (CPC H)

Patents· 14 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H02Kprimary
H02KDynamo-electric machines57%
B60LPropulsion of electrically-propelled vehicles9%
Y02TClimate change mitigation technologies related to transportation9%
Y10TTechnical subjects covered by former us classification9%
H02JElectric power networks4%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems4%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
PatentTitleYear
9,906,108'Sensorless electric machine'20189,871,418'Sensorless electric machine'20189,490,682'Method and system for alternator thermal protection'20169,160,213'Method and system for motor thermal protection'20159,093,878'Sensorless electric machine'20156,208,057'Electrical machine with reduced audible noise'20015,663,605'Rotating electrical machine with electromagnetic and permanent magnet excitation'19975,483,146'Control system for a vehicle electrical system'19964,954,739'Servo motor with high energy product magnets'19904,868,970'Method of making an electric motor'19894,679,313'Method of making a servo motor with high energy product magnets'19874,508,988'Permanent magnet motor stator for d.c. motors'19854,307,310'Segmented magnet dynamoelectric machine with series connected rotor conductors'19814,283,651'Switching circuit for high current brushes in a dynamoelectric machine'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981Patents assigned to WESTINGHOUSE ELECTRIC CORP (2)· patent assignee history
1981Based in Pittsburgh, PA, US· patent location history
1981Based in Wilkinsburg, PA, US· patent location history
1985–1987Patents assigned to KOLLMORGEN TECH CORP (2)· patent assignee history
1985–1987Based in Radford, VA, US· patent location history
1989–2001Based in Dearborn, MI, US· patent location history
1996–1997Patents assigned to FORD MOTOR CO (2)· patent assignee history
2015–2018Patents assigned to GEN ELECTRIC (5)· patent assignee history
2015Patents assigned to DAIGLE JEFFREY (1)· patent assignee history
2015–2018Based in Erie, PA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GEN ELECTRIC52015–2018
FORD MOTOR CO21996–1997
KOLLMORGEN TECH CORP21985–1987
WESTINGHOUSE ELECTRIC CORP21981
DAIGLE JEFFREY12015
Locations
LocationPatentsSpan
Erie, Pennsylvania, US52015–2018
Dearborn, MI, US51989–2001
Radford, Virginia, US21985–1987
Pittsburgh, Pennsylvania, US11981
Wilkinsburg, Pennsylvania, US11981