John Crawford
35Patents
6h-index
8Co-inventors
62Inventor score
Filing activity: Nov 18, 1974 → Nov 26, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4765143A | Power plant using CO.sub.2 as a working fluid | Emerging Cross-Sectional Technologies | 170 | Expired |
| US4506508A | Apparatus and method for condensing steam | Emerging Cross-Sectional Technologies | 24 | Expired |
| US11109648B1 | Buckle | Human Necessities | 20 | Active |
| US11607818B1 | Pocket knife | Performing Operations; Transporting | 20 | Active |
| USD1012661S1 | Pocket knife | General | 9 | Active |
| US11633867B1 | Folding knife | Performing Operations; Transporting | 7 | Active |
| USD978021S1 | Buckle | General | 6 | Active |
| US3981375A | Vehicle hood assembly | Performing Operations; Transporting | 5 | Expired |
| USD1008774S1 | Pocket knife | General | 5 | Active |
| US3963089A | Differential mounting and wheel drive arrangement | Performing Operations; Transporting | 4 | Expired |
| USD981274S1 | Buckle | General | 4 | Active |
| USD978714S1 | Buckle | General | 4 | Active |
| US3977550A | Side handling attachment | Performing Operations; Transporting | 4 | Expired |
| USD981271S1 | Buckle | General | 4 | Active |
| US3982604A | Steering axle | Performing Operations; Transporting | 4 | Expired |
| USD981276S1 | Buckle | General | 3 | Active |
| USD978020S1 | Buckle | General | 3 | Active |
| USD984312S1 | Buckle | General | 3 | Active |
| USD978713S1 | Buckle | General | 2 | Active |
| USD981275S1 | Buckle | General | 2 | Active |
| USD982480S1 | Buckle | General | 2 | Active |
| USD981277S1 | Buckle | General | 2 | Active |
| US12257729B1 | Pocket knife | Performing Operations; Transporting | 1 | Active |
| USD1008775S1 | Pocket knife | General | 1 | Active |
| USD1030440S1 | Pocket knife | General | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.