William S. Mitchell
9Patents
6h-index
7Co-inventors
56Inventor score
Filing activity: Aug 15, 1975 → Dec 6, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4958770A | Process for making uniform porosity flexible irrigation pipe | Emerging Cross-Sectional Technologies | 38 | Expired |
| US5811164A | Aeration pipe and method of making same | Emerging Cross-Sectional Technologies | 27 | Expired |
| US7622040B2 | Fine bubble airlift device | Emerging Cross-Sectional Technologies | 17 | Active |
| US5811038A | Method of blending components for porous plastic pipe processing | Performing Operations; Transporting | 17 | Expired |
| US7806410B2 | Damping device for a stationary labyrinth seal | Mechanical Engineering; Lighting; Heating | 15 | Active |
| US3951775A | Electrocoating tank arrangement | Chemistry; Metallurgy | 7 | Expired |
| US7954791B2 | Fine bubble airlift device | Emerging Cross-Sectional Technologies | 2 | Active |
| US7934706B2 | Aeration device for use as a diffuser | Performing Operations; Transporting | 1 | Active |
| US8409321B2 | Method and apparatus for leaching metal from mining ore | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.