David R. Johnson
8Patents
7h-index
12Co-inventors
56Inventor score
Filing activity: Jul 3, 1996 → Feb 24, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5626150A | Extrication vacboard | Human Necessities | 52 | Expired |
| US6688434B2 | Conveyor and lubricating apparatus, lubricant dispensing device, and method for applying lubricant to conveyor | Performing Operations; Transporting | 38 | Expired |
| USD461334S1 | Display | General | 35 | Expired |
| US7516082B2 | Scheduling delivery of chemical products based on a predicted estimated time of exhaustion | Physics | 25 | Active |
| USD547955S1 | Display rack | General | 22 | Expired |
| US6497329B1 | Merchandise display | Human Necessities | 12 | Expired |
| USD633598S1 | Sprinkler spike | General | 9 | Expired |
| US6943690B2 | Flow verification mechanism | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.