John F. Johnson
15Patents
7h-index
12Co-inventors
63Inventor score
Filing activity: Aug 13, 1976 → May 17, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5974721A | High-intensity light-emitting diode fishing float | Human Necessities | 22 | Expired |
| US5898372A | Lighted fishing float with motion detector | Human Necessities | 16 | Expired |
| US8788406B2 | Providing loan services in the event of a total loss claim | Physics | 13 | Active |
| USD286015S | Door stop | General | 11 | Expired |
| US4038866A | Electronic probe for sensing and reproducing the sound of mechanical movement | Physics | 10 | Expired |
| US7536965B2 | Auxiliary lift attachment for a boat lift and method of using same | Performing Operations; Transporting | 8 | Active |
| US4503643A | Sharpener assembly for the cutting cylinder of a crop harvester | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4986370A | Pneumatic hammer lift | Fixed Constructions | 7 | Expired |
| USD665958S1 | Adjustable counterbalanced weight for a power washer wand | General | 5 | Active |
| US7690669B2 | Adapter for a quick-connect tractor hitch | Performing Operations; Transporting | 4 | Active |
| USD593834S1 | Board straighter | General | 3 | Expired |
| US9389053B2 | 40mm door-breaching grenade | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US12318815B2 | Pressure washer wand cleaning attachment | Performing Operations; Transporting | 0 | Active |
| US10062117B2 | Providing loan services in the event of a total loss claim | Physics | 0 | Active |
| USD515268S1 | Mailbox | General | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.