Helmut Thumm
23Patents
8h-index
21Co-inventors
71Inventor score
Filing activity: Jan 21, 1976 → Nov 4, 1993
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4991474A | Tool turret with flexible clutch | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5339504A | Tool turret with reduced switching times | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5052098A | Means for removing wires from bales in particular waste paper bales | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4989303A | Tool turret | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4972744A | Tool turret with rapidly angularly adjustable turret head | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4460132A | Pulper for producing paper pulp suspensions | Textiles; Paper | 10 | Expired |
| US5168614A | Tool turret | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5187847A | Tool turret with pneumatic locking system | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4202227A | Multiple position tool holder | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4634059A | Method and device for emptying suspension from a pulper | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5226869A | Method and apparatus for changing the tool disk of a tool turret | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5067371A | Method and apparatus to control locking of a tool turret | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4420117A | Waste paper disintegrating, sorting and fiber recovery apparatus | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4592513A | Pulper device | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4036086A | Thread cutting apparatus and method of operating same | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4222531A | Wood pulper with constant wood feed | Textiles; Paper | 3 | Expired |
| US4351486A | Process and a grinding stone for preparing mechanical wood pulp | Performing Operations; Transporting | 3 | Expired |
| US4818338A | Method for emptying suspension for a pulper | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5332344A | Spindle head for tool turret | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4405091A | Apparatus for the production of mechanical wood pulp | Textiles; Paper | 1 | Expired |
| US4401277A | Apparatus for producing mechanical wood pulp | Textiles; Paper | 1 | Expired |
| US4456182A | Pulp grinder with liquid retention | Textiles; Paper | 1 | Expired |
| US4197770A | Workpiece shaping apparatus | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.