John H. Wilcox
13Patents
8h-index
20Co-inventors
72Inventor score
Filing activity: Dec 16, 1988 → Apr 12, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD319378S | Retractable knife handle | General | 62 | Expired |
| US5301428A | Utility knife | Performing Operations; Transporting | 58 | Expired |
| US5199177A | Level | Physics | 47 | Expired |
| USD332226S | Lighted torpedo level | General | 47 | Expired |
| US6684507B2 | Multi-positionable hair trimmer | Performing Operations; Transporting | 25 | Expired |
| US5033199A | Level vial holder assembly | Physics | 20 | Expired |
| US6922909B2 | Attachment for hair dryers | Human Necessities | 19 | Expired |
| US6578269B2 | Movable comb advancing system for hair trimmers | Performing Operations; Transporting | 16 | Expired |
| USD322716S | Level case | General | 5 | Expired |
| US7516745B2 | Heat delivery system for heated hair rollers/curlers and clips | Human Necessities | 4 | Expired |
| US6957490B2 | Drive system for beard and mustache trimmer | Performing Operations; Transporting | 2 | Expired |
| US8091563B2 | Hair styling apparatus having cloth-covered heating member | Human Necessities | 2 | Active |
| US11504471B2 | Systems and methods for detecting disruptions in fluid delivery devices | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.