Assignee
TORK INC
US·3 granted patents·1 pending application·117 citations·filing 1976–2009
Top patents by PatentIndex Score
4 records- 0186US4071749ASelf-contained maintenance-free emergency lightingTORK INC·Filed 1976·Granted Jan 31, 1978·74 cites·7 claims
- 0265US4349863AEmergency lighting systemTORK INC·Filed 1980·Granted Sep 14, 1982·32 cites·5 claims
- 0350US4687985ATwo terminal control switch having a main switch and a saturable current transformer whose primary winding is series connected with the main switchTORK INC·Filed 1987·Granted Aug 18, 1987·11 cites·4 claims
- 0433US2009316459A1Electrical timer system that automatically operates over different supply voltagesTORK INC·Filed 2009·Application pending·0 cites
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