John Cummings
28Patents
7h-index
9Co-inventors
62Inventor score
Filing activity: Jun 4, 1986 → Aug 21, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8080994B2 | Integrated current sensor | Electricity | 60 | Active |
| US8269491B2 | DC offset removal for a magnetic field sensor | Physics | 35 | Active |
| US9046562B2 | Hysteresis offset cancellation for magnetic sensors | Physics | 19 | Active |
| US6667599B2 | Power supply apparatuses and methods of supplying electrical energy | Electricity | 16 | Expired |
| US6765368B2 | Electrical energy apparatuses, electrical energy conditioning circuits, and electrical supply methods | Electricity | 9 | Expired |
| US5290980A | Rotary vacuum-electric switch | Electricity | 7 | Expired |
| US6798170B2 | Electrical power source apparatuses, circuits, electrochemical device charging methods, and methods of charging a plurality of electrochemical devices | Electricity | 7 | Expired |
| US6724173B2 | Circuits, apparatuses, electrochemical device charging methods, and lithium-mixed metal electrode cell charging methods | Electricity | 6 | Expired |
| US7719227B2 | Electrical energy supply methods and electrical energy power supplies | Emerging Cross-Sectional Technologies | 6 | Active |
| US7552016B2 | Integrated circuit having a multi-purpose node configured to receive a threshold voltage and to provide a fault signal | Physics | 6 | Active |
| US4994635A | Push button automotive vacuum-electric air control devices having improved valving, switching and delatching | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5250770A | Rotary vacuum-electric switch | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5420387A | Push-push electrical and vacuum control switches for automotive service | Electricity | 4 | Expired |
| US4667068A | Control mechanisms for automotive heating and air conditioning systems | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4727766A | Heat regulating mechanism for automotive heating and air conditioning systems | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6919708B2 | Electrical storage circuitry operational methods | Electricity | 3 | Expired |
| US5495868A | Rotary vacuum-electric switch | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4926014A | Push button vacuum-electric air control device for automotive vehicles | Performing Operations; Transporting | 2 | Expired |
| US7019487B2 | Circuits, apparatuses, electrochemical device charging methods, and lithium-mixed metal electrode cell charging methods | Electricity | 2 | Expired |
| US6809500B2 | Power supply apparatuses and power supply operational methods | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6914417B2 | Electrical energy systems, power supply apparatuses, and electrical energy supply methods | Electricity | 2 | Expired |
| US4720612A | Pushbutton vacuum-electric air control unit for automotive vehicles | Electricity | 2 | Expired |
| US4801769A | Pushbutton cartridge switch for automotive air control units | Electricity | 1 | Expired |
| US4816629A | Snap-action electrical switch for automotive air control units | Electricity | 1 | Expired |
| US4758702A | Switching mechanism for automotive heating and air conditioning systems | Performing Operations; Transporting | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.