John E. Clegg
68Patents
9h-index
15Co-inventors
75Inventor score
Filing activity: Aug 5, 1976 → Feb 28, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4333713A | Conical beam concentrator | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4277148A | Conical split-image microscopic lens | Physics | 29 | Expired |
| US4325612A | Reflective beam concentrator | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4589743A | Circular microscope specimen slide | Physics | 15 | Expired |
| US4080733A | Wire cutting pliers | Performing Operations; Transporting | 13 | Expired |
| US4612467A | Electromagnetic reciprocator | Electricity | 12 | Expired |
| US4577349A | Sink outlet valve | Fixed Constructions | 11 | Expired |
| US4589741A | Universal revolving microscope stage | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4492424A | Solar collector | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4598635A | Revolving saucepan turntable | Human Necessities | 7 | Expired |
| US4657353A | Conical beam concentrator | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US4603593A | Synchronized scotch yoke | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4575196A | Conical beam concentrator | Physics | 6 | Expired |
| US4492438A | Conical wide-field microscopic lens | Physics | 6 | Expired |
| US4492439A | Monochromatic beam concentrator | Physics | 6 | Expired |
| US4627692A | Louvered conical beam concentrator RT:C | Physics | 5 | Expired |
| US4585971A | Flat circular foil-filament lamp | Electricity | 5 | Expired |
| US4469411A | Quadrant conical-lens microscope | Physics | 5 | Expired |
| US4521085A | Conical middle component microscopic lenses | Physics | 5 | Expired |
| US4610518A | Involute beam concentrator | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4567879A | Prismatic solar beam concentrator | Emerging Cross-Sectional Technologies | 4 | Expired |
| USD965142S1 | Penile prosthesis tubing connector tool | General | 3 | Active |
| US4602617A | Solar hot-water heater | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4577939A | Monochromatic beam concentrator | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4598807A | Band and drum clutch | Mechanical Engineering; Lighting; Heating | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.