Joel W. Johnson
10Patents
8h-index
5Co-inventors
61Inventor score
Filing activity: Jan 5, 1987 → Apr 20, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5375701A | Food package having a compartmentalized rigid base tray | Performing Operations; Transporting | 83 | Expired |
| US5657874A | Food package having a compartmentalized rigid base tray | Performing Operations; Transporting | 45 | Expired |
| US5657873A | Food package having a compartmentalized rigid base tray | Performing Operations; Transporting | 40 | Expired |
| US4955568A | Panhead for camera | Mechanical Engineering; Lighting; Heating | 35 | Expired |
| US6286795A | Dual-stage quick release leg and tripod | Mechanical Engineering; Lighting; Heating | 33 | Expired |
| US5503357A | Lock mechanism for tripod legs | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US7287731B2 | Heavy-duty stabilized camera head with camera position sensing | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4714031A | Combustor feeding arrangement | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4735156A | Rotary combustor for burning municipal solid waste | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US5178352A | Instrument support device | Mechanical Engineering; Lighting; Heating | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.