Fritz Mark
15Patents
10h-index
15Co-inventors
69Inventor score
Filing activity: Jul 1, 1975 → May 14, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5551779A | Mixing apparatus for counterbalancing flowable masses | Performing Operations; Transporting | 44 | Expired |
| US6138772A | Drill with a hammer mechanism | Performing Operations; Transporting | 42 | Expired |
| US5895179A | Drill | Emerging Cross-Sectional Technologies | 41 | Expired |
| US4205728A | Suction attachment for a drilling tool | Performing Operations; Transporting | 30 | Expired |
| US4530454A | Device for driving nails and similar fastening elements | Performing Operations; Transporting | 25 | Expired |
| US5746510A | Mixing device including counterweight | Performing Operations; Transporting | 19 | Expired |
| US4968200A | Expansion anchor assembly | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US4640452A | Device for driving nails or similar fastening elements | Performing Operations; Transporting | 18 | Expired |
| US5036928A | Device for drilling an undercut in a borehole | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4051990A | Device for securing an expansion anchor | Performing Operations; Transporting | 13 | Expired |
| US4930585A | Device for drilling borehole undercuts | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6092965A | Boring tool | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5161624A | Tool for driving fastening elements into hard receiving materials | Performing Operations; Transporting | 7 | Expired |
| US4983082A | Expansion anchor assembly | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US5076743A | Device for drilling undercuts | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.