Quartex, Inc.
9Patents
1Active
9Granted
32Portfolio score
Filing activity: Oct 20, 1980 → Apr 28, 2006 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4372173A | Resonator force transducer | Emerging Cross-Sectional Technologies | 84 | Expired |
| US4724351A | Double resonating beam force transducer with reduced longitudinal pumping | Physics | 44 | Expired |
| US4592663A | Resonator temperature transducer | Physics | 37 | Expired |
| US4384495A | Mounting system for applying forces to load-sensitive resonators | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6873573B2 | Wireless synchronous time system | Physics | 18 | Expired |
| US4479391A | Resonator force transducer assembly | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6033110A | Bimetal coil thermometer movement | Physics | 3 | Expired |
| US6507170B2 | Battery pack having a plurality of battery slots | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7427157B2 | Wind velocity measuring apparatus | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.