Jochen Kramer
24Patents
9h-index
29Co-inventors
75Inventor score
Filing activity: Sep 19, 1975 → Dec 18, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5065476A | Handle arrangement for a handheld portable tool | Performing Operations; Transporting | 48 | Expired |
| US6973726B2 | Manually operated tool | Human Necessities | 32 | Expired |
| US6446421B1 | Manually guided implement, having vibration-dampened handle | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US6904977B2 | Portable handheld work apparatus | Human Necessities | 19 | Expired |
| USD253475S | Photographic camera | General | 16 | Expired |
| US6170159A | Manually guided implement having a drive motor | Human Necessities | 10 | Expired |
| US5145044A | Two-handle arrangement for a handheld portable tool | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5239755A | Cutting apparatus | Human Necessities | 9 | Expired |
| USD251975S | Photographic camera | General | 9 | Expired |
| US6640443B2 | Manually guided implement | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US5076411A | Two-handle arrangement for a handheld portable tool | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6581568B2 | Manually guided implement having a drive motor | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US5042626A | Arrangement for actuating a braking device for bringing a motor-driven work tool of a work apparatus to standstill | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5623999A | Hand-operated tool | Performing Operations; Transporting | 6 | Expired |
| USD294005S | Key or similar article | General | 5 | Expired |
| USD243082S | Electronic flash unit | General | 4 | Expired |
| US6094822A | Hedge clippers | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| USD246787S | Motion picture camera | General | 3 | Expired |
| USD242617S | Motion picture camera | General | 2 | Expired |
| US6164410A | Exhaust gas muffler | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| USD246786S | Motion picture camera | General | 2 | Expired |
| US6896113B2 | Manually operated tool | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US6523509B2 | Two-stroke engine | Mechanical Engineering; Lighting; Heating | 0 | Expired |
| US6634857B2 | Manually guided suction device or blower | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.