Joseph E. Springer
9Patents
5h-index
2Co-inventors
53Inventor score
Filing activity: Sep 27, 1976 → Dec 4, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5526778A | Internal combustion engine module or modules having parallel piston rod assemblies actuating oscillating cylinders | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US5275134A | Two stroke internal combustion engine having an intake piston adjacent each power piston | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US4687437A | Disposable lighter | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US4805568A | Swing valve for internal combustion engines | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US7685975B2 | Internal combustion engine twin power unit having an oscillating cylinder | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US4097059A | Connecting bracket arrangement for towing lawn mower | Performing Operations; Transporting | 3 | Expired |
| USD1094215S1 | Front bumper for an automobile | General | 0 | Active |
| USD1094216S1 | Rear bumper for an automobile | General | 0 | Active |
| US12291993B1 | Two stroke charge piston engine | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.