Thomas Sperrfechter
14Patents
4h-index
14Co-inventors
53Inventor score
Filing activity: Jan 29, 2002 → May 29, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6536647B2 | Holder for a drive piston of a setting tool | Performing Operations; Transporting | 7 | Expired |
| US6880738B2 | Propellant charge magazine for a setting tool | Performing Operations; Transporting | 6 | Expired |
| US6481609B2 | Holder for a drive piston of a setting tool | Performing Operations; Transporting | 5 | Expired |
| US6983679B2 | Propellant magazine for a propellant-operated setting tool and a propellant-operated setting tool | Performing Operations; Transporting | 4 | Expired |
| US7407071B2 | Setting tool | Performing Operations; Transporting | 4 | Active |
| US7967177B2 | Combustion-operated setting tool | Performing Operations; Transporting | 2 | Active |
| US7308997B2 | Combustion-operated setting tool | Performing Operations; Transporting | 2 | Expired |
| US7086574B2 | Explosion-operated power tool | Performing Operations; Transporting | 2 | Expired |
| US6978919B2 | Holder for a drive piston of a setting tool | Performing Operations; Transporting | 1 | Expired |
| US6478208B2 | Holder for a drive piston of a setting tool | Performing Operations; Transporting | 1 | Expired |
| US11712792B2 | Setting tool | Electricity | 1 | Active |
| US10639777B2 | Drive-in device having an adjustable combustion chamber | Performing Operations; Transporting | 0 | Active |
| US11813726B2 | Setting tool | Performing Operations; Transporting | 0 | Active |
| US7028877B2 | Combustion—operated working tool, in particular a setting tool for fastening elements | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.