David Cooper
38Patents
15h-index
51Co-inventors
84Inventor score
Filing activity: May 16, 1975 → Jun 25, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5317156A | Diagnostic tests using near-infrared laser absorption spectroscopy | Physics | 135 | Expired |
| US6159686A | Up-converting reporters for biological and other assays | Physics | 97 | Expired |
| US6312914A | Up-converting reporters for biological and other assays | Physics | 91 | Expired |
| US6321079A | Network operator controlled locking and unlocking mechanism for mobile telephones | Electricity | 70 | Expired |
| US5572031A | Pressure- and temperature-compensating oxygen sensor | Physics | 45 | Expired |
| US4594511A | Method and apparatus for double modulation spectroscopy | Physics | 38 | Expired |
| US4896196A | Vertical DMOS power transistor with an integral operating condition sensor | Electricity | 33 | Expired |
| US6518562B1 | Apparatus and method of remote gas trace detection | Physics | 28 | Expired |
| US5469143A | Sleep awakening device for drivers of motor vehicles | Physics | 28 | Expired |
| US7809454B2 | Method and apparatus for simulating composite panel manufacturing | Emerging Cross-Sectional Technologies | 26 | Active |
| US6664533B1 | Apparatus and method of remote gas trace detection | Physics | 26 | Expired |
| US8682325B1 | Handover between mobile communication networks | Electricity | 21 | Expired |
| US5113131A | Voltage measuring device having electro-optic sensor and compensator | Physics | 21 | Expired |
| US4986099A | Lock system and lock having two electronic control systems | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6631019B1 | Reconfigurable multichannel transmitter for dense wavelength division multiplexing (DWDM) optical communication | Electricity | 17 | Expired |
| US6490011B1 | Display device convertible between a cave configuration and a wall configuration | Physics | 14 | Expired |
| US7930208B2 | Method and system for delivery of advertising content in short message service (SMS) messages | Electricity | 14 | Active |
| US4395867A | Pepper harvesting apparatus | Human Necessities | 13 | Expired |
| US5823270A | Steerable implement hitch | Human Necessities | 12 | Expired |
| US6253073A | Radio telephone hand set network restriction | Electricity | 12 | Expired |
| US10101734B2 | Routing of enterprise resource planning messages | Emerging Cross-Sectional Technologies | 6 | Active |
| US9588503B2 | Routing of enterprise resource planning messages | Emerging Cross-Sectional Technologies | 6 | Active |
| US7020105B2 | Dynamic resource allocation in packet data transfer | Electricity | 5 | Expired |
| US7058041B2 | Extended dynamic resource allocation in packet data transfer | Electricity | 4 | Expired |
| US9551983B2 | Activity set management in a Manufacturing Execution System | Emerging Cross-Sectional Technologies | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.