Stefan Heess
9Patents
8h-index
21Co-inventors
65Inventor score
Filing activity: Sep 10, 1993 → Jun 3, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7063606B2 | Portable power tool with protective cover | Performing Operations; Transporting | 38 | Expired |
| US5679066A | Eccentric disk grinder with a grinding disk brake | Performing Operations; Transporting | 37 | Expired |
| US5425666A | Eccentric disk grinder | Performing Operations; Transporting | 29 | Expired |
| US6669544B1 | Protective hood for a right angle grinder | Performing Operations; Transporting | 21 | Expired |
| US6632128B2 | Angle grinder with electric drive | Electricity | 20 | Expired |
| US8282446B2 | Guard attachment device | Performing Operations; Transporting | 12 | Active |
| US7708260B2 | Auxiliary handle device | Performing Operations; Transporting | 10 | Active |
| US7967079B2 | Hand-held power tool | Performing Operations; Transporting | 8 | Active |
| US6669542B1 | Angle grinder | Performing Operations; Transporting | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.