The Hell Co.
3Patents
0Active
3Granted
28Portfolio score
Filing activity: Jan 28, 1986 → Feb 23, 2001
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6491489B1 | Rolling pivot loading device | Performing Operations; Transporting | 37 | Expired |
| US5551824A | Articulated refuse collection apparatus | Performing Operations; Transporting | 36 | Expired |
| US4682562A | Holding device for metal sections which are to be coated in two colors | Performing Operations; Transporting | 9 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.