William C. Johnston
8Patents
8h-index
17Co-inventors
66Inventor score
Filing activity: Sep 3, 1974 → May 14, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5432000A | Binder coated discontinuous fibers with adhered particulate materials | Emerging Cross-Sectional Technologies | 236 | Expired |
| US5600234A | Switch mode power converter and method | Physics | 60 | Expired |
| US7063771B2 | Embossed insulating paperboard | Emerging Cross-Sectional Technologies | 47 | Expired |
| US5325615A | Attachments for excavating buckets | Fixed Constructions | 32 | Expired |
| US5207826A | Bacterial cellulose binding agent | Chemistry; Metallurgy | 30 | Expired |
| US4120174A | Air defrost display case | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US3952533A | Multiple valve refrigeration system | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US4072488A | Air defrost reach-in refrigerated display cabinet | Mechanical Engineering; Lighting; Heating | 11 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.