Assignee
GUTHRIE INVESTMENTS CANADA
CA·4 granted patents·122 citations·filing 1987–1988
Top patents by PatentIndex Score
4 records- 0189US4874916AInduction heating and melting systems having improved induction coilsGUTHRIE INVESTMENTS CANADA·Filed 1987·Granted Oct 17, 1989·72 cites·46 claims
- 0273US4775849AGas insulated current transformerGUTHRIE INVESTMENTS CANADA·Filed 1987·Granted Oct 4, 1988·31 cites·6 claims
- 0358US5027099ASensitive fault detection system for parallel coil air core reactorsGUTHRIE INVESTMENTS CANADA·Filed 1988·Granted Jun 25, 1991·16 cites·17 claims
- 0434US4916428AHigh voltage, outdoor, air cooled, dynamic braking resistors and power distribution system incorporating the sameGUTHRIE INVESTMENTS CANADA·Filed 1988·Granted Apr 10, 1990·3 cites·7 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →