Robert D. Schaefer
13Patents
7h-index
32Co-inventors
66Inventor score
Filing activity: Aug 2, 1984 → Dec 18, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5765718A | Center pull sheet dispensing apparatus | Human Necessities | 59 | Expired |
| US5049740A | Multiple field of view sensor | Physics | 43 | Expired |
| US5368271A | Gimbal vibration isolation system | Mechanical Engineering; Lighting; Heating | 39 | Expired |
| US4929073A | Kinematic mount | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4701602A | Adaptable modular stabilization system | Physics | 29 | Expired |
| USD403543S | Paper roll towel support plate for supporting a paper towel on end in a center pull paper towel dispenser | General | 12 | Expired |
| US9285073B2 | Non-rotating flexure bearings for cryocoolers and other devices | Mechanical Engineering; Lighting; Heating | 9 | Active |
| US9806591B2 | Linear device and electric device with linear motor | Electricity | 5 | Active |
| US10661012B2 | Filling assist mechanisms and keyed interfaces for drug delivery devices | Human Necessities | 3 | Active |
| US10234075B2 | Non-rotating flexure bearings with enhanced dynamic stability for cryocoolers and other devices | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10587177B2 | Linear motor and electric device with linear motor | Electricity | 0 | Active |
| US11536310B2 | Locking push-pull fastener assembly | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8766496B2 | Linear electric motor | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.