Jean Hardt
10Patents
5h-index
5Co-inventors
55Inventor score
Filing activity: Sep 23, 1974 → May 21, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4328905A | Metal can with membrane type closure | Performing Operations; Transporting | 33 | Expired |
| US4003505A | Relief vent for pressurized cans | Performing Operations; Transporting | 21 | Expired |
| US4745988A | Device for conducting away the exhaust gases from internal combustion engines | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US4000708A | Apparatus for capping receptacles | Performing Operations; Transporting | 6 | Expired |
| US4446942A | Device for conducting away the exhaust gases from internal combustion engines | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US5037367A | Two-chamber compressed-gas pack | Performing Operations; Transporting | 5 | Expired |
| US5123560A | Two-chamber dispenser for a gas-pressurized or non-pressurized package | Performing Operations; Transporting | 5 | Expired |
| US4352408A | Device for conducting away the exhaust gases from internal combustion engines | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US5082146A | Container for mixing and ejection of two components contained therewithin | Performing Operations; Transporting | 4 | Expired |
| US4951847A | Two-chamber compressed-gas pack | Performing Operations; Transporting | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.