Andre Ullrich
24Patents
6h-index
27Co-inventors
69Inventor score
Filing activity: Jul 20, 2002 → Feb 15, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7708084B2 | Portable power drill with gearbox | Performing Operations; Transporting | 21 | Active |
| US7395872B2 | Switching device | Performing Operations; Transporting | 14 | Expired |
| US8104544B2 | Hand machine tool | Performing Operations; Transporting | 10 | Active |
| US7597155B2 | Tool fitting, adapter and system with a tool fitting and an adapter | Emerging Cross-Sectional Technologies | 8 | Expired |
| US9844869B2 | Hand tool machine device | Electricity | 8 | Active |
| US8490715B2 | Hand-held machine tool | Performing Operations; Transporting | 7 | Active |
| US7036607B2 | Electric hand tool | Performing Operations; Transporting | 6 | Expired |
| US6930431B2 | Electric machine and manual machine tool comprising the same | Electricity | 6 | Expired |
| US8281873B2 | Hand-held power tool | Performing Operations; Transporting | 6 | Active |
| US8272453B2 | Handheld power tool | Performing Operations; Transporting | 5 | Active |
| US10702981B2 | Vacuuming-off device | Performing Operations; Transporting | 3 | Active |
| US8176994B2 | Transmission device | Emerging Cross-Sectional Technologies | 2 | Active |
| US9475182B2 | Hand-held power tool with mechanically controlled automatic on and off function | Performing Operations; Transporting | 2 | Active |
| US7891438B2 | Hand power tool | Performing Operations; Transporting | 2 | Active |
| US8281872B2 | Drill hammer with three modes of operation | Performing Operations; Transporting | 1 | Active |
| US7348485B2 | Power tool with internal fastening element | Electricity | 1 | Expired |
| US9427850B2 | Drywall screwdriver | Performing Operations; Transporting | 1 | Active |
| US7518281B2 | Electric motor with a housing for at least two carbon brushes | Emerging Cross-Sectional Technologies | 0 | Expired |
| US8342259B2 | Transmission device | Emerging Cross-Sectional Technologies | 0 | Active |
| US9527201B2 | Portable power tool | Performing Operations; Transporting | 0 | Active |
| US10780565B2 | Housing device for a hand-held power tool | Emerging Cross-Sectional Technologies | 0 | Active |
| US9511490B2 | Hand power tool device | Emerging Cross-Sectional Technologies | 0 | Active |
| US11123830B2 | Accessory device for a hand-held power tool | Performing Operations; Transporting | 0 | Active |
| US12427642B2 | Hand-held power tool with a fastening region for a safety loop | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.