US
13Patents
2Active
13Granted
34Portfolio score
Filing activity: Apr 3, 1975 → Jun 21, 2017
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4726014A | Cellular mobile radio service telephone system | Electricity | 54 | Expired |
| US4693551A | Dielectric strength elements for loose tube optical fiber cable | Physics | 28 | Expired |
| US4719617A | Full service voice/data system | Electricity | 19 | Expired |
| US4752043A | Method of and apparatus for winding a precision optical fiber coil | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4707069A | Optical fiber coupler packaging arrangement and a method of manufacture the same | Physics | 10 | Expired |
| US4728933A | Miniature dual cavity ringer | Physics | 10 | Expired |
| US4731826A | Mixed mode dialing system | Electricity | 8 | Expired |
| US4761812A | Constant power telephone line circuit | Emerging Cross-Sectional Technologies | 8 | Expired |
| US9715685B2 | Safe food ordering by voice while driving | Physics | 7 | Active |
| USD296783S | Combined telephone handset and stand | General | 2 | Expired |
| US10043173B2 | Safe food ordering by voice while driving | Physics | 2 | Active |
| USD298127S | Combined telephone handset and stand | General | 0 | Expired |
| US3955147A | Amplifier circuit | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.