Donald B. Clark
7Patents
6h-index
10Co-inventors
60Inventor score
Filing activity: Jul 31, 1975 → Dec 17, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5811137A | Dough Sheeter having independant internally-driven self-powered rollers | Human Necessities | 37 | Expired |
| US6530771B1 | Rotary cutter handling system | Emerging Cross-Sectional Technologies | 22 | Expired |
| US9138768B2 | Pop-up irrigation device for use with low-pressure irrigation systems | Performing Operations; Transporting | 21 | Active |
| USD608301S1 | Irrigation controller control panel | General | 18 | Expired |
| US9440250B2 | Pop-up irrigation device for use with low-pressure irrigation systems | Performing Operations; Transporting | 12 | Active |
| US8567696B2 | Nozzle body for use with irrigation devices | Performing Operations; Transporting | 6 | Active |
| US3998860A | Solidification retardation of liquid crystalline compositions with steroid derivatives of isostearyl carbonate | Chemistry; Metallurgy | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.