Daniel E. Williams
42Patents
11h-index
19Co-inventors
72Inventor score
Filing activity: Apr 2, 1982 → May 5, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4517410A | Automatic user selected variable telephone message record and playback system | Electricity | 98 | Expired |
| US5098119A | Semi-active suspension system with energy saving | Performing Operations; Transporting | 58 | Expired |
| US5709281A | Method and apparatus for adjusting steering feel | Physics | 57 | Expired |
| US6259982A | Method and apparatus for controlling an active suspension system | Performing Operations; Transporting | 38 | Expired |
| US5145206A | Semi-active suspension system with energy saving actuator | Performing Operations; Transporting | 38 | Expired |
| US4975993A | Dual-headed shower device | Performing Operations; Transporting | 35 | Expired |
| US5042874A | Folding beach lounge | Human Necessities | 34 | Expired |
| US5102161A | Semi-active suspension system with energy saving valve | Emerging Cross-Sectional Technologies | 29 | Expired |
| US6546322B2 | Method of controlling a vehicle steering apparatus | Performing Operations; Transporting | 25 | Expired |
| US5510986A | Method and apparatus for controlling an active suspension system | Performing Operations; Transporting | 22 | Expired |
| US7048461B2 | Ball joint assembly with wear indication | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4674631A | Spectator seat and carrying case | Human Necessities | 11 | Expired |
| US6026339A | Apparatus and method for providing an inertial velocity signal in an active suspension control system | Performing Operations; Transporting | 11 | Expired |
| US6945350B2 | Steering apparatus for turning multiple sets of steerable vehicle wheels | Performing Operations; Transporting | 9 | Expired |
| US6973989B2 | Steer-by-wire steering system with road feel | Performing Operations; Transporting | 9 | Expired |
| US7055643B2 | Apparatus for controlling a power-assisted steering gear in response to vehicle speed | Performing Operations; Transporting | 7 | Expired |
| US5954149A | Vehicle cab motion control | Performing Operations; Transporting | 7 | Expired |
| US7510044B2 | Power steering apparatus | Performing Operations; Transporting | 5 | Active |
| US7798279B2 | Steer-by-wire steering apparatus with actuatable mechanism | Performing Operations; Transporting | 5 | Active |
| US7389849B2 | Steering apparatus with plural motors | Performing Operations; Transporting | 5 | Expired |
| US6019026A | Self-centering motor | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US8833504B2 | Steering apparatus | Performing Operations; Transporting | 4 | Active |
| US7364004B2 | Apparatus for use in turning steerable vehicle wheels | Performing Operations; Transporting | 4 | Active |
| US7617906B2 | Hydraulic steering system with a variable flow device | Performing Operations; Transporting | 3 | Active |
| US6966398B2 | Apparatus for controlling a power-assisted steering gear in response to vehicle speed | Performing Operations; Transporting | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.