John J. Douglas
8Patents
6h-index
2Co-inventors
53Inventor score
Filing activity: Jul 20, 1989 → Sep 12, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5259495A | Belt tensioner and turnover device for a printed circuit board belt conveyor | Electricity | 24 | Expired |
| US5082108A | Modular conveyor beam and method of assembly therefor | Performing Operations; Transporting | 24 | Expired |
| US5246097A | Line changing system for air bottle conveyors | Performing Operations; Transporting | 9 | Expired |
| US7926771B2 | Mounting apparatus for mounting objects to support structures of a tent | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US5240104A | Printed circuit board belt conveyor | Electricity | 7 | Expired |
| US10239544B1 | Guided delivery vehicle | Emerging Cross-Sectional Technologies | 6 | Active |
| US6250454A | Storage buffer for a multi lane conveyor | Performing Operations; Transporting | 4 | Expired |
| US6073748A | Multiple lane inverter | Performing Operations; Transporting | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.