John E. Walsh
35Patents
17h-index
32Co-inventors
81Inventor score
Filing activity: Oct 11, 1977 → Jan 8, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5923264A | Multiple access electronic lock system | Physics | 119 | Expired |
| US8141400B2 | Keypad lockset | Emerging Cross-Sectional Technologies | 67 | Active |
| US5268693A | Semiconductor film free electron laser | Electricity | 64 | Expired |
| US5263043A | Free electron laser utilizing grating coupling | Electricity | 64 | Expired |
| US5790585A | Grating coupling free electron laser apparatus and method | Electricity | 58 | Expired |
| US5988708A | Electromagnetically managed latching exit bar | Emerging Cross-Sectional Technologies | 36 | Expired |
| US5154000A | Conduit bending plane and bend angle indicator | Physics | 35 | Expired |
| US7096698B2 | Override assembly for door lock systems having a clutch mechanism | Emerging Cross-Sectional Technologies | 34 | Expired |
| US6104594A | Electromagnetic latch retractor for exit bar | Emerging Cross-Sectional Technologies | 32 | Expired |
| US7918114B2 | Electronic lock actuator with helical drive member | Emerging Cross-Sectional Technologies | 29 | Active |
| US6714118B1 | Modular electronic door security system | Emerging Cross-Sectional Technologies | 25 | Expired |
| USD738192S1 | Escutcheon | General | 25 | Active |
| US5823582A | Electromagnetically-managed latching exit bar | Emerging Cross-Sectional Technologies | 24 | Expired |
| US6386597B1 | Dual latch retraction system for exit bar | Emerging Cross-Sectional Technologies | 24 | Expired |
| US8931315B2 | Electronic deadbolt lock | Emerging Cross-Sectional Technologies | 24 | Active |
| US4540936A | Soil moisture sensor | Physics | 22 | Expired |
| US6565130B1 | Dual action latch retractor | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4298824A | Millimeter and sub-millimeter radiation source | Electricity | 17 | Expired |
| US8353189B2 | Manual override mechanism for electromechanical locks | Emerging Cross-Sectional Technologies | 16 | Active |
| US5611582A | Impact resistant armature | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4122372A | Dielectrically loaded waveguide for producing high power coherent microwave radiation | Electricity | 13 | Expired |
| US8176761B2 | Keypad lockset | Emerging Cross-Sectional Technologies | 12 | Active |
| US9803394B2 | Electronic deadbolt lock | Emerging Cross-Sectional Technologies | 10 | Active |
| US9816291B2 | Exit push rail monitoring system with hall effect sensor | Fixed Constructions | 10 | Active |
| US7946248B2 | Knock-down bird feeder with interlocking port | Human Necessities | 10 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.