Robert W. Foster
17Patents
11h-index
18Co-inventors
69Inventor score
Filing activity: Aug 25, 1980 → Feb 8, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4897867A | Method of and an arrangement for forwarding a customer order | Electricity | 237 | Expired |
| US4811159A | Ionizer | Electricity | 96 | Expired |
| US4353361A | Orthotic/prosthetic joint | Emerging Cross-Sectional Technologies | 87 | Expired |
| US4851951A | Non-defeatable safety mechanical actuators for appliances | Electricity | 73 | Expired |
| US5023460A | Toothbrush sanitizer | Human Necessities | 55 | Expired |
| US5020517A | Back massager for use in home or auto | Emerging Cross-Sectional Technologies | 33 | Expired |
| USD719980S1 | Tiered gas tank lawnmower | General | 27 | Active |
| US4591665A | Method and apparatus for providing call tracing service | Electricity | 21 | Expired |
| US5551777A | Single screw extruder capable of generating chaotic mixing | Performing Operations; Transporting | 18 | Expired |
| US4631363A | Method and apparatus for incremental load simulation | Electricity | 13 | Expired |
| US4823225A | Bipolar immersion detection circuit interrupter | Electricity | 12 | Expired |
| US4827104A | Phototransistor relay electronic temperature control for cordless irons | Physics | 11 | Expired |
| US5237385A | Sample processing | Physics | 4 | Expired |
| USRE34346E | Ionizer | General | 4 | Expired |
| US6075608A | Blend segregation detection | Physics | 3 | Expired |
| USD350492S | Module for combining a gas responsive sample with a battery pack for a gas detector | General | 3 | Expired |
| US12060274B2 | Graphite materials, and methods for fabricating and use thereof | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.