David A. Hill
18Patents
7h-index
19Co-inventors
63Inventor score
Filing activity: Feb 22, 1978 → Apr 2, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7318504B2 | Adjusting mechanism for a prosthetic | Human Necessities | 44 | Expired |
| US6189682A | Position control apparatus and method for controlling the movement of a block in a woodworking machine | Performing Operations; Transporting | 17 | Expired |
| US7448373B2 | Adjustment mechanism to adjust gap between grilling surfaces | Human Necessities | 15 | Expired |
| US7472645B2 | Lift/latch mechanism to raise upper platen of grill | Human Necessities | 13 | Active |
| US4199833A | Carton opening device | Performing Operations; Transporting | 10 | Expired |
| US7001626B2 | Automated grill | Human Necessities | 8 | Expired |
| USD789514S1 | Injectable tablet | General | 7 | Active |
| US5573073A | Compressed fluid operated tool with fluid metering device | Performing Operations; Transporting | 7 | Expired |
| US4758721A | Thermal cycle recirculating pump for isotope purifier | Performing Operations; Transporting | 5 | Expired |
| US4737638A | Preselector source for isotope separation | Electricity | 3 | Expired |
| US6717111B2 | Grilling component | Human Necessities | 3 | Expired |
| US8253581B2 | Loading device with a moveable platform and a pivotal arm | Performing Operations; Transporting | 2 | Expired |
| US7275908B2 | Swivel ram roller | Performing Operations; Transporting | 2 | Expired |
| US8234972B2 | Automated grill | Human Necessities | 2 | Active |
| US5086225A | Thermal cycle recirculating pump for isotope purifier | Performing Operations; Transporting | 2 | Expired |
| US9694164B2 | Medical instrument for inserting a chest drainage tube | Human Necessities | 0 | Active |
| US11719676B2 | Machine learning monitoring air quality | Emerging Cross-Sectional Technologies | 0 | Active |
| US10485961B2 | Medical procedure for inserting a chest drainage tube | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.