Assignee
WELLMAN THERMAL SYST
9 granted patents·151 citations·filing 1978–1991
Top patents by PatentIndex Score
9 records- 0176US4700315AMethod and apparatus for controlling the glow discharge processWELLMAN THERMAL SYST·Filed 1986·Granted Oct 13, 1987·32 cites·2 claims
- 0275US5122637ATemperature controlled soldering iron having low tip leakage voltageWELLMAN THERMAL SYST·Filed 1991·Granted Jun 16, 1992·52 cites·10 claims
- 0367US4477717AFast start glow plugWELLMAN THERMAL SYST·Filed 1983·Granted Oct 16, 1984·24 cites·7 claims
- 0466US4331856AControl system and method of controlling ion nitriding apparatusWELLMAN THERMAL SYST·Filed 1978·Granted May 25, 1982·10 cites·14 claims
- 0560US4476373AControl system and method of controlling ion nitriding apparatusWELLMAN THERMAL SYST·Filed 1982·Granted Oct 9, 1984·9 cites·4 claims
- 0645US4592134AGlow plugWELLMAN THERMAL SYST·Filed 1984·Granted Jun 3, 1986·10 cites·5 claims
- 0727US5191634AScrew plug immersion heater comprising separate header and threaded sleeve sectionsWELLMAN THERMAL SYST·Filed 1991·Granted Mar 2, 1993·9 cites·9 claims
- 0825US4346252ASoft wall hanger for furnaceWELLMAN THERMAL SYST·Filed 1980·Granted Aug 24, 1982·5 cites·26 claims
- 0923US4219692AElectric furnace heater assemblyWELLMAN THERMAL SYST·Filed 1978·Granted Aug 26, 1980·0 cites·6 claims
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