David Clarke
51Patents
11h-index
69Co-inventors
81Inventor score
Filing activity: Dec 28, 1990 → Jan 11, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5355513A | Transponder with reply frequency derived from frequency of received interrogation signal | Physics | 119 | Expired |
| US6754518B1 | Method and apparatus for detecting an object within a dynamic scattering media | Human Necessities | 25 | Expired |
| US9831233B2 | Apparatuses for communication systems transceiver interfaces | Electricity | 25 | Active |
| US9147677B2 | Dual-tub junction-isolated voltage clamp devices for protecting low voltage circuitry connected between high voltage interface pins and methods of forming the same | Electricity | 23 | Active |
| US7644170B2 | Communications system providing extensible protocol translation features and related methods | Electricity | 20 | Active |
| US8286616B2 | Condensation control systems and methods | Emerging Cross-Sectional Technologies | 19 | Active |
| US8307036B2 | Email server with enhanced least recently used (LRU) cache | Electricity | 16 | Active |
| US6434211B1 | Timing circuit | Physics | 15 | Expired |
| USD732383S1 | Package for a medical device | General | 14 | Active |
| US7289975B2 | Communications system with data storage device interface protocol connectors and related methods | Emerging Cross-Sectional Technologies | 13 | Expired |
| US7774486B2 | Communications system providing multi-layered extensible protocol interface and related methods | Electricity | 13 | Expired |
| US8296369B2 | Email server with proxy caching of unique identifiers | Electricity | 11 | Active |
| USD915780S1 | Booth | General | 8 | Active |
| US7043240B2 | Communications system with interface for enabling communication of alerts to mobile wireless communications devices | Electricity | 8 | Expired |
| US5146157A | Calculation apparatus for an electronic meter | Physics | 7 | Expired |
| US6743638B1 | Detection system using liposomes and signal modification | Emerging Cross-Sectional Technologies | 7 | Expired |
| US7363026B2 | Email SMS notification system providing enhanced message retrieval features and related methods | Electricity | 7 | Expired |
| USD915779S1 | Booth | General | 7 | Active |
| US10888408B2 | Packaging for dry tissue prosthetic heart valve | Human Necessities | 6 | Active |
| US8463859B2 | Email system including synchronization server(s) providing synchronization based upon synchronization indicators stored on mobile devices and related methods | Electricity | 4 | Active |
| US7685302B2 | Communications system providing extensible protocol translation and configuration features and related methods | Electricity | 4 | Active |
| US8958780B2 | Provisioning based on application and device capability | Electricity | 4 | Active |
| US8655319B2 | Email SMS notification system providing selective server message retrieval features and related methods | Electricity | 4 | Active |
| US8326932B2 | Caching email unique identifiers | Physics | 3 | Active |
| US8135759B2 | Communications system including protocol interface device for use with multiple operating protocols and related methods | Electricity | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.