Inventor · Marcellus, NY, US

Patrick J. Murphy

36Patents
14h-index
39Co-inventors
81Inventor score

Filing activity: Oct 11, 1988 → Sep 19, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US5594398A Ground fault interrupter wiring device with improved moveable contact system Electricity 119 Expired
US5510760A Ground fault interrupter wiring device with improved latching and actuating components Electricity 72 Expired
USD731432S1 Universal serial bus electrical wiring device General 65 Active
US7154718B1 Protection device with power to receptacle cut-off Electricity 58 Expired
US4872081A Duplex electrical receptacle with voltage surge suppression Electricity 57 Expired
USD451479S Multimedia receptacle box General 37 Expired
US6199264A Method of assembling a ground fault interrupter wiring device Emerging Cross-Sectional Technologies 35 Expired
USD744950S1 Universal serial bus (USB) electrical wiring device General 28 Active
USD730835S1 Universal serial bus (USB) electrical wiring device General 24 Active
US7239491B1 Protective device with miswire protection Electricity 20 Expired
US8299799B2 Electrical device with miswire protection and automated testing Electricity 18 Active
US8643220B1 Toggle switch and variable actuator control Electricity 17 Active
US5917391A Transient voltage surge suppressor having a switch with overtravel protection Electricity 16 Expired
US5905622A Transient voltage surge suppressor with internal barriers Electricity 14 Expired
USD505758S1 Electrical control device General 12 Expired
USD945371S1 USB receptacle device General 11 Active
US6430017B1 Thermal protection for surge suppressors Electricity 10 Expired
US10204732B2 Dielectric stack, an isolator device and method of forming an isolator device Electricity 6 Active
USD455128S1 Safety switch cover General 4 Expired
US11044022B2 Back-to-back isolation circuit Electricity 4 Active
US5923517A Transient voltage surge suppressor with a reversible on-off switch assembly Electricity 4 Expired
US8102226B2 Protection device with a sandwiched cantilever breaker mechanism Electricity 2 Active
US11450469B2 Insulation jacket for top coil of an isolated transformer Electricity 1 Active
US8946944B2 Toggle switch and variable actuator control Electricity 1 Active
US6417448B1 Safety switch Electricity 1 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.