David N. Mitchell
20Patents
10h-index
17Co-inventors
68Inventor score
Filing activity: Nov 28, 1984 → Dec 6, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5211409A | Mechanically activated skate brake and method | Human Necessities | 44 | Expired |
| US5253882A | Hand activated skate brake and method | Human Necessities | 42 | Expired |
| US5072087A | Process for heating materials by microwave energy | Electricity | 37 | Expired |
| US5330207A | Hand activated skate brake and method | Human Necessities | 24 | Expired |
| US5664794A | Ground engaging movable skate brake | Human Necessities | 20 | Expired |
| US5316325A | Mechanically activated skate brake and method | Human Necessities | 17 | Expired |
| US4737253A | Aluminium reduction cell | Chemistry; Metallurgy | 15 | Expired |
| US4737254A | Linings for aluminium reduction cells | Chemistry; Metallurgy | 13 | Expired |
| US5992862A | Skate brake system and methods | Human Necessities | 13 | Expired |
| US5564718A | Ground engaging skate brake | Human Necessities | 11 | Expired |
| US5829756A | Apparatus for slowing or stopping a roller skate and methods | Human Necessities | 10 | Expired |
| US5704619A | Slidable skate brake and methods | Human Necessities | 10 | Expired |
| US5651556A | Ground engaging movable skate brake | Human Necessities | 10 | Expired |
| US4613418A | Aluminium reduction cells | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5649715A | Skate brake and methods for its use | Human Necessities | 8 | Expired |
| US5836590A | Method and apparatus for slowing or stopping a roller skate | Human Necessities | 5 | Expired |
| US5988086A | Sailboat and methods | Performing Operations; Transporting | 4 | Expired |
| US6012725A | Skate brake systems and methods | Human Necessities | 3 | Expired |
| US6189471A | Sailboats and methods | Performing Operations; Transporting | 3 | Expired |
| US5996519A | Sailboats and methods | Performing Operations; Transporting | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.