Inventor
James H. Franz, Jr.
Inventor
Murrysville, PA, US
Overview
16→
Patents
1978–1985
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 16 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 converters27%
Y02TClimate change mitigation technologies related to transportation25%
B60LPropulsion of electrically-propelled vehicles21%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests15%
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 systems8%
B61LGuiding railway traffic2%
H02HEmergency protective circuit arrangements2%
PatentTitleYear
4,516,059'Motor control chopper apparatus phase angle limiting'19854,471,277'Vehicle propulsion motor control apparatus'19844,394,724'Propulsion motor control apparatus and method'19834,393,338'Vehicle propulsion motor control apparatus'19834,387,870'Transit vehicle shunt determination'19834,381,479'Electric motor chopper control apparatus and method'19834,380,724'Shunt field control apparatus and method'19834,370,603'Shunt field control apparatus and method'19834,355,267'Propulsion motor control apparatus'19824,352,049'Brake control apparatus and method'19824,339,697'Propulsion motor control apparatus and method'19824,257,092'Traction motor current control apparatus'19814,216,417'Transit vehicle motor operation control apparatus and method'19804,123,693'Transit vehicle generated voltage control apparatus and method'19784,095,153'Transit vehicle electrical brake control apparatus and method'19784,090,115'Transit vehicle chopper control apparatus and method'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1985Patents assigned to WESTINGHOUSE ELECTRIC CORP (16)· patent assignee history
1978–1985Based in Murrysville, PA, US· patent location history
1984Based in Pleasant Hills, PA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WESTINGHOUSE ELECTRIC CORP | 16 | 1978–1985 |
Locations
| Location | Patents | Span |
|---|---|---|
| Murrysville, Pennsylvania, US | 15 | 1978–1985 |
| Pleasant Hills, Pennsylvania, US | 1 | 1984 |