Rainer Massmann
11Patents
4h-index
33Co-inventors
52Inventor score
Filing activity: Dec 6, 2001 → Aug 26, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7975994B2 | Displacement element | Mechanical Engineering; Lighting; Heating | 10 | Active |
| US6634326B2 | Two-stroke motor with fresh-gas supply and flange for a two-stroke motor | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US6694942B1 | Four-stroke engine with rotary valve control | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US8240440B2 | Device for lifting a hatch pivotable around a pivot axis | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US7784772B2 | Spring system | Fixed Constructions | 4 | Active |
| US7431134B2 | Gas spring | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US6659064B1 | Compact four-stroke combustion engine, especially for the use in a portable working device | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US8205540B2 | Piston-cylinder unit | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US7806244B2 | Piston/cylinder unit with solenoid valve in piston | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US7628255B2 | Gas spring | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US7798556B2 | Opening device | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.