Thomas Ullein
18Patents
7h-index
13Co-inventors
63Inventor score
Filing activity: Dec 1, 1997 → Feb 9, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6193623A | Tensioner with improved damping device | Mechanical Engineering; Lighting; Heating | 62 | Expired |
| US5967922A | Tensioning device for a control gear | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| US5931754A | Tensioner for a power transmitting member of an internal combustion engine | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US6599209B1 | Tensioning device for tensioning a traction medium | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US6406391B1 | Chain tensioner | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US7108621B2 | Chain tensioner | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US6336882B1 | Chain wheel with damping | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US6482116B1 | Tensioning device for chains | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US6155942A | Traction wheel for tension element | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US8690717B2 | Tensioning rail for power transmission drives on internal combustion engines | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US8696501B2 | Tensioning device pertaining to a traction mechanism drive | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US7204773B2 | Tensioning device for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US7461624B2 | Compensating shaft drive | Emerging Cross-Sectional Technologies | 3 | Expired |
| US9103410B2 | Preassembled traction mechanism drive | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US11125303B2 | Tensioning device for a chain drive | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US10781893B2 | Hydraulic tensioning device for an engine | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US7220196B2 | Chain drive for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US10452094B2 | Tensioning device having a transport securing concept | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.