Heinz-Georg Wassenhoven
73Patents
9h-index
40Co-inventors
78Inventor score
Filing activity: Dec 20, 1977 → Feb 12, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4541233A | Method and device for starting the operation of a friction-spinning machine unit | Textiles; Paper | 16 | Expired |
| US4769984A | Fiber opening, fiber feeding and yarn withdrawing unit for a spinning station of an open-end rotor spinning machine | Textiles; Paper | 15 | Expired |
| US5509261A | Stepping motor arrangement for driving a silver feed roller in a rotor spinning machine | Textiles; Paper | 15 | Expired |
| US4891974A | Method and apparatus for determining characteristics of staple fiber yarns | Textiles; Paper | 14 | Expired |
| US4516397A | Method and device for increasing the hairiness and the bulkiness of a thread | Textiles; Paper | 13 | Expired |
| US4724668A | Method and apparatus for the formation of spinning fibers | Textiles; Paper | 12 | Expired |
| US6009700A | Method and device for operating an open-end spinning machine | Textiles; Paper | 11 | Expired |
| US4773211A | Arrangement for open-end spinning | Textiles; Paper | 10 | Expired |
| US4458477A | Method and device for manufacturing a thread | Textiles; Paper | 9 | Expired |
| US4663929A | Spinning rotor for an OE-spinning machine and method for producing the spinning rotor | Textiles; Paper | 9 | Expired |
| US4901519A | Method and apparatus for separating sliver into individual fibers in a sliver opening device | Textiles; Paper | 8 | Expired |
| US5398494A | Sliver opening device for separating out impurities and feeding fiber to an open end spring machine | Textiles; Paper | 7 | Expired |
| US4829762A | Method and device for improving a yarn produced in the rotor of an open-end spinning apparatus | Textiles; Paper | 7 | Expired |
| US4586325A | Method and device for piecing on a thread in friction spinning machines | Textiles; Paper | 6 | Expired |
| US5419111A | Spinning station with operable cove for a rotor spinning machine | Textiles; Paper | 6 | Expired |
| US6205761A | Spinning rotor with identification mark | Textiles; Paper | 6 | Expired |
| US6195976A | Spinning rotor for open-end spinning machines | Textiles; Paper | 6 | Expired |
| US4164330A | Device for transferring a thread to an unwound coil core | Performing Operations; Transporting | 6 | Expired |
| US4660374A | Open-end rotor spinning machine | Textiles; Paper | 6 | Expired |
| US5647196A | Open-end spinning frame | Textiles; Paper | 5 | Expired |
| US5481862A | Pneumatically operated debris removal device for an open-end spinning device | Textiles; Paper | 5 | Expired |
| US5953897A | Fiber guide device for connecting a sliver opening device with a rotor spinning housing in an open-end spinning apparatus | Textiles; Paper | 5 | Expired |
| US6101805A | Opening roller for an open-end spinning device | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US5937630A | Open-end spinning device | Textiles; Paper | 4 | Expired |
| US4541234A | Method and device for starting the operation of a friction spinning machine | Textiles; Paper | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.