Roger A. Powell
24Patents
14h-index
9Co-inventors
74Inventor score
Filing activity: Apr 30, 1976 → May 23, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4888063A | Variable aperture, variable flux density, aerospace solar collector | Emerging Cross-Sectional Technologies | 213 | Expired |
| US5877696A | Security system for warheads | Mechanical Engineering; Lighting; Heating | 207 | Expired |
| US7126473B1 | Intrusion detection and secure remote alarm communication system for a security system for the inactive storage of the active ingredients of weapons of mass destruction | Physics | 198 | Expired |
| US5291397A | Method for resource allocation and project control for the production of a product | Physics | 82 | Expired |
| US4648023A | Method for resource allocation for the manufacture of a product | Emerging Cross-Sectional Technologies | 69 | Expired |
| US4618119A | Adjustable inclination reading/writing board | Human Necessities | 40 | Expired |
| US6195590A | System for control and resource allocation for the manufacture of a product | Emerging Cross-Sectional Technologies | 37 | Expired |
| US4611575A | Parabolic trough solar reflector | Emerging Cross-Sectional Technologies | 33 | Expired |
| US4119365A | Trough reflector | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4934269A | Arming system for a warhead | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US4243301A | Elastically deformed reflectors | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4278829A | Solar energy conversion apparatus | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4719903A | Variable aperture, variable flux density, aerospace solar collector | Emerging Cross-Sectional Technologies | 18 | Expired |
| US7805685B2 | Method and apparatus for displaying a gain control interface with non-linear gain levels | Physics | 14 | Active |
| US7328412B1 | Method and apparatus for displaying a gain control interface with non-linear gain levels | Physics | 13 | Expired |
| US7610553B1 | Method and apparatus for reducing data events that represent a user's interaction with a control interface | Electricity | 13 | Expired |
| US6167320A | System for control and resource allocation for the manufacturing of a product | Physics | 12 | Expired |
| US4375959A | Waste heat recovery in asphalt mixing plant | Fixed Constructions | 7 | Expired |
| US4934900A | Assembly forming a cylindrical cage of spaced apart vanes | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US8311657B2 | Method and apparatus for efficiently accounting for the temporal nature of audio processing | Physics | 6 | Active |
| US5333056A | Television signal converter providing separate stereo sound outputs | Electricity | 4 | Expired |
| US7312704B1 | Intrusion detection and secure remote alarm communication for a security system for the inactive storage of the active ingredients of weapons of mass destruction | Physics | 4 | Active |
| US7426417B1 | Method and apparatus for efficiently accounting for the temporal nature of audio processing | Physics | 4 | Expired |
| US4811659A | Roller press for liquid/solid separation | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.