John R. Powell
21Patents
11h-index
26Co-inventors
75Inventor score
Filing activity: Aug 13, 1974 → May 2, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5538655A | Molecular complexes for use as electrolyte components | Emerging Cross-Sectional Technologies | 125 | Expired |
| US6011772A | Machine-readable optical disc with reading-inhibit agent | Physics | 103 | Expired |
| US6628766B1 | Apparatus for delivery of prepaid telecommunication services and method therefor | Electricity | 51 | Expired |
| US6434109B1 | Machine-readable optical disc with reading-inhibit agent | Physics | 45 | Expired |
| US3948315A | Closure for heat exchanger | Mechanical Engineering; Lighting; Heating | 42 | Expired |
| US8402746B2 | Exhaust gas capture system for ocean going vessels | Mechanical Engineering; Lighting; Heating | 39 | Active |
| US6343063B1 | Machine-readable optical disc with reading-inhibit agent | Physics | 30 | Expired |
| US5077073A | Ethoxylated sugar and sugar alcohol esters useful as fat substitutes | Emerging Cross-Sectional Technologies | 28 | Expired |
| US4456058A | Heat exchanger tube support | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US8435523B2 | Antibodies against nerve growth factor (NGF) with enhanced in vivo stability | Chemistry; Metallurgy | 17 | Active |
| US9089806B2 | Exhaust gas diverter and collection system for ocean going vessels | Performing Operations; Transporting | 14 | Active |
| US5453335A | Ion-conductive polymer and electrolyte additives | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5433876A | Ion-conductive polymer and electrolyte additives | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4181268A | Drive and storage drum for an antenna cable | Electricity | 7 | Expired |
| US5531871A | Molecular complexes for use as electrolyte components | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4860435A | Calibration process for bimetallic circuit breakers | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4236162A | Antenna actuator with a locating and reaction support surface for the cable storage drum | Electricity | 4 | Expired |
| US5320424A | Apparatus for delivering a rapidly setting composition | Performing Operations; Transporting | 4 | Expired |
| USRE42011E1 | Machine-readable optical disc with reading-inhibit agent | General | 0 | Expired |
| US6949085B1 | Safety syringe assembly | Human Necessities | 0 | Expired |
| US9447181B2 | Antibodies against nerve growth factor (NGF) with enhanced in vivo stability | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.