David R. Schiff
118Patents
25h-index
128Co-inventors
93Inventor score
Filing activity: Mar 31, 1989 → Sep 5, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5240163A | Linear surgical stapling instrument | Human Necessities | 1,708 | Expired |
| US6322563A | Small tissue and membrane fixation apparatus and methods for use thereof | Human Necessities | 187 | Expired |
| US5865795A | Safety mechanism for injection devices | Human Necessities | 168 | Expired |
| US7510601B2 | Portable medical oxygen concentrator | Performing Operations; Transporting | 96 | Active |
| US5875976A | Locking mechanism for nozzle assembly | Human Necessities | 83 | Expired |
| US5769138A | Nozzle and adapter for loading medicament into an injector | Human Necessities | 80 | Expired |
| US5590696A | Inflation system utilizing a pressurized gas inflation device and adaptor therefor | Mechanical Engineering; Lighting; Heating | 75 | Expired |
| USD462251S1 | Tool handle | General | 66 | Expired |
| USD787054S1 | Pen needle hub | General | 65 | Active |
| US6161712A | Ball and socket closure | Performing Operations; Transporting | 63 | Expired |
| US7137203B2 | Shaving apparatus | Performing Operations; Transporting | 60 | Expired |
| USD756564S1 | End cap of a smoking article | General | 55 | Active |
| US7121754B2 | Shaving apparatus with pivot-actuated valve for delivery of shaving aid material | Performing Operations; Transporting | 51 | Expired |
| USD825749S1 | Pen needle outer cover | General | 49 | Active |
| USD804023S1 | Pen needle inner shield | General | 49 | Active |
| US5643211A | Nozzle assembly having a frangible plunger | Human Necessities | 47 | Expired |
| USD787053S1 | Pen needle inner shield | General | 47 | Active |
| US4981453A | Emergency transmitter buoy and bracket assembly | Performing Operations; Transporting | 39 | Expired |
| US9918496B2 | Electronic smoking article | Human Necessities | 39 | Active |
| USD787669S1 | Pen needle outer cover | General | 38 | Active |
| US6925716B2 | Shaving apparatus | Performing Operations; Transporting | 34 | Expired |
| USD789343S1 | Phone case with charger | General | 33 | Active |
| US6418820B1 | Ergonomic handle for a wrench | Performing Operations; Transporting | 31 | Expired |
| US5697917A | Nozzle assembly with adjustable plunger travel gap | Human Necessities | 29 | Expired |
| US5921967A | Plunger for nozzle assembly | Human Necessities | 25 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.