William J. Brennan
28Patents
8h-index
44Co-inventors
75Inventor score
Filing activity: Jul 24, 1975 → Apr 15, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5451938A | RF meter reading system | Emerging Cross-Sectional Technologies | 110 | Expired |
| US5243338A | Two and three wire utility data communications system | Emerging Cross-Sectional Technologies | 104 | Expired |
| US5155481A | Two and three wire utility data communications system | Emerging Cross-Sectional Technologies | 100 | Expired |
| US6377609B1 | Spread spectrum frequency hopping system and method | Electricity | 77 | Expired |
| US5699956A | Magnetic post card and method of manufacturing the same | Emerging Cross-Sectional Technologies | 26 | Expired |
| US3999772A | Roller skate | Human Necessities | 14 | Expired |
| US5882800A | Polymeric film having an antistatic coating layer | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5234761A | Protective barriers | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6659336B2 | Horizontal container for the handling of flat objects | Performing Operations; Transporting | 7 | Expired |
| US7785680B2 | Multilayer card | Emerging Cross-Sectional Technologies | 7 | Active |
| US8202612B2 | Polyester film | Emerging Cross-Sectional Technologies | 6 | Active |
| US11018709B2 | Active 1:N breakout cable | Electricity | 6 | Active |
| US4674113A | Frequency responsive apparatus for reading a meter over a telephone line | Electricity | 5 | Expired |
| US9228853B1 | Method of computing quantity of unaccounted for water in water distribution | Emerging Cross-Sectional Technologies | 4 | Active |
| US9333692B2 | Hydrolysis resistant polyester films | Emerging Cross-Sectional Technologies | 3 | Active |
| US8736460B2 | Time diversified packet protocol | Emerging Cross-Sectional Technologies | 3 | Active |
| US10527515B2 | Ultrasonic flow meter leak detection system and method | Physics | 2 | Active |
| US8350717B2 | Fixed network for an automatic utility meter reading system | Emerging Cross-Sectional Technologies | 2 | Active |
| US11646959B2 | Active ethernet cable with broadcasting and multiplexing for data path redundancy | Electricity | 2 | Active |
| US7232602B2 | Multilayer card | Emerging Cross-Sectional Technologies | 2 | Expired |
| US9416225B2 | Hydrolysis resistant polyester films | Chemistry; Metallurgy | 2 | Active |
| US5409100A | Recycling assembly having three conveying belts | Emerging Cross-Sectional Technologies | 1 | Expired |
| US11581913B2 | Active 1:N breakout cable | Electricity | 1 | Active |
| US11052641B2 | Multi-layer card and film assembly | Performing Operations; Transporting | 1 | Active |
| US9041550B2 | Time diversified packet protocol | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.