Peter R. Smith
25Patents
11h-index
14Co-inventors
72Inventor score
Filing activity: Aug 11, 1975 → Mar 20, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4849223A | Antimicrobial compositions consisting of metallic silver combined with titanium oxide or tantalum oxide | Human Necessities | 132 | Expired |
| US4912762A | Management of cryptographic keys | Physics | 121 | Expired |
| US5869894A | RF IC package | Electricity | 114 | Expired |
| US4731842A | Security module for an electronic funds transfer system | Physics | 97 | Expired |
| US4641625A | Fuel control system | Emerging Cross-Sectional Technologies | 77 | Expired |
| US6155689A | Perforated retroreflective film | Physics | 34 | Expired |
| US4802333A | Thrusters | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US5339623A | Singly fueled multiple thrusters simultaneously energized by a common power supply | Performing Operations; Transporting | 18 | Expired |
| US4787579A | Gas thruster | Performing Operations; Transporting | 16 | Expired |
| US4025364A | Process for simultaneously fabricating epitaxial resistors, base resistors, and vertical transistor bases | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5689950A | Ion thruster with graphite accelerator grid | Electricity | 12 | Expired |
| US6481857B2 | Perforated retroreflective film | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5535872A | Coin/token separator | Physics | 10 | Expired |
| US5676234A | Coin/token sorting method | Physics | 8 | Expired |
| US5009357A | Joining of ceramic components to metal components | Chemistry; Metallurgy | 8 | Expired |
| US6398287B1 | Retroreflective reinforcement webbing applied to an outer side of a tarpaulin | Performing Operations; Transporting | 6 | Expired |
| US5476168A | Coin validator | Physics | 6 | Expired |
| US4772293A | Manufacture of electrochemical cells | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7767058B2 | Non-woven wet wiping | Emerging Cross-Sectional Technologies | 4 | Active |
| US6736519B2 | Perforated retroreflective film | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4507848A | Control of substrate injection in lateral bipolar transistors | Electricity | 4 | Expired |
| US7854046B2 | Microcreping traveling sheet material | Performing Operations; Transporting | 3 | Active |
| US6510936B2 | Coin validators | Physics | 1 | Expired |
| US8499917B2 | Foreign object detector | Physics | 1 | Active |
| US7299910B2 | Clearance of coin jams in coin validators | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.