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Inventor

Frank J. Prines

Inventor
Murrysville, PA, US

Overview

2→
Patents
1981–1996
Patent span
Electricity
Primary field (CPC H)

Patents· 2 as inventor

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

H02Mprimary
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 systems33%
H03KPulse technique33%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests33%
PatentTitleYear
5,585,758'Current source gate drive circuit for simultaneous firing of thyristors'19964,257,092'Traction motor current control apparatus'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981Patents assigned to WESTINGHOUSE ELECTRIC CORP (1)· patent assignee history
1981–1996Based in Murrysville, PA, US· patent location history
1996Patents assigned to ELECTRIC POWER RES INST (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ELECTRIC POWER RES INST11996
WESTINGHOUSE ELECTRIC CORP11981
Locations
LocationPatentsSpan
Murrysville, Pennsylvania, US21981–1996