John Clark
12Patents
8h-index
8Co-inventors
65Inventor score
Filing activity: Jul 25, 1983 → Dec 19, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6575753B2 | Firearm laser training system and method employing an actuable target assembly | Mechanical Engineering; Lighting; Heating | 151 | Expired |
| US6616452B2 | Firearm laser training system and method facilitating firearm training with various targets and visual feedback of simulated projectile impact locations | Mechanical Engineering; Lighting; Heating | 135 | Expired |
| US5428423A | Photographic printed cards and apparatus and method of making same | Physics | 121 | Expired |
| US7329127B2 | Firearm laser training system and method facilitating firearm training for extended range targets with feedback of firearm control | Mechanical Engineering; Lighting; Heating | 97 | Expired |
| US4647759A | Fire control apparatus for a laser weapon | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US7789251B1 | A-frame shelving | Human Necessities | 21 | Active |
| US4601604A | Expansion joint | Fixed Constructions | 20 | Expired |
| USD732897S1 | Compartmented dinner service and utensil tray | General | 14 | Active |
| US5385827A | Method of geochemical prospecting | Emerging Cross-Sectional Technologies | 4 | Expired |
| US9241067B2 | System and method for self-service callback modification | Electricity | 3 | Active |
| US11118355B2 | Skylight assembly and method of installing same | Performing Operations; Transporting | 1 | Active |
| US9218229B2 | Event notification system and method | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.