Frederic Heiman
21Patents
17h-index
15Co-inventors
78Inventor score
Filing activity: Jun 7, 1976 → Jan 31, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5815811A | Preemptive roaming in a cellular local area wireless network | Emerging Cross-Sectional Technologies | 273 | Expired |
| US6002918A | Power-saving arrangement and method for mobile units in communications network | Emerging Cross-Sectional Technologies | 267 | Expired |
| US4933538A | Scanning system with adjustable light output and/or scanning angle | Physics | 193 | Expired |
| US6859134B1 | Data communication device | Emerging Cross-Sectional Technologies | 103 | Expired |
| US6587034B1 | Data communication device | Emerging Cross-Sectional Technologies | 98 | Expired |
| US4106610A | Coin apparatus having multiple coin-diverting gates | Physics | 71 | Expired |
| US5250791A | Scanning system with adjustable light output and/or scanning angle | Physics | 52 | Expired |
| US5229591A | Scanning system with adjustable light output and/or scanning angle | Physics | 50 | Expired |
| US5793032A | Portable optical scanning and pointing systems | Physics | 47 | Expired |
| US5811785A | Scanning system with adjustable light output and/or scanning angle | Physics | 39 | Expired |
| US5996895A | Scanning system with adjustable light output and/or scanning angle | Physics | 34 | Expired |
| US6145746A | Portable optical scanning and pointing systems | Physics | 26 | Expired |
| US6672513B2 | Flexible battery and band for user supported module | Physics | 25 | Expired |
| US4458187A | Vending machine control and diagnostic apparatus | Physics | 24 | Expired |
| US4416365A | Coin examination apparatus employing an RL relaxation oscillator | Physics | 20 | Expired |
| US4546869A | Coin testing apparatus | Physics | 20 | Expired |
| US5479002A | Bar code scanner with scanning beam and/or field of view adjustable about three mutually orthogonal axes | Physics | 17 | Expired |
| US4221227A | Separable coin storage tube assembly | Physics | 13 | Expired |
| US4493411A | Self tuning low frequency phase shift coin examination method and apparatus | Physics | 10 | Expired |
| US4234070A | Vending control apparatus | Physics | 8 | Expired |
| US4188961A | Coin mechanism exact change indicator apparatus | Physics | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.