Hired Hand Manufacturing, Inc.
6Patents
0Active
6Granted
26Portfolio score
Filing activity: Oct 1, 1990 → Feb 27, 1998
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5752557A | Sealable curtain | Fixed Constructions | 59 | Expired |
| US5960847A | Sealable curtain | Fixed Constructions | 58 | Expired |
| US5336131A | Differential pressure control apparatus for livestock houses | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US5221180A | Fan housing with screen securing means | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5051671A | Proximity sensor and control | Performing Operations; Transporting | 5 | Expired |
| US5458537A | Switch apparatus for power winch | Mechanical Engineering; Lighting; Heating | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.