Hellmut Lorenz
19Patents
5h-index
12Co-inventors
63Inventor score
Filing activity: Jul 28, 1976 → Jan 29, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5463861A | Friction false twist unit | Textiles; Paper | 12 | Expired |
| US4051655A | Friction false twister | Textiles; Paper | 12 | Expired |
| US4060967A | False twisters | Textiles; Paper | 9 | Expired |
| US5146739A | Yarn false twist texturing process and apparatus | Textiles; Paper | 9 | Expired |
| US6209302A | False twist texturizing machine | Performing Operations; Transporting | 6 | Expired |
| US6026636A | Yarn false twist texturing apparatus | Textiles; Paper | 5 | Expired |
| US5794429A | Yarn friction false twisting apparatus | Textiles; Paper | 4 | Expired |
| US4383405A | Yarn false twisting apparatus and method | Textiles; Paper | 4 | Expired |
| US4956970A | False twist roll | Textiles; Paper | 4 | Expired |
| US4519204A | Yarn false twisting apparatus | Textiles; Paper | 3 | Expired |
| US6430912B1 | Yarn false twist texturing apparatus | Textiles; Paper | 3 | Expired |
| US6301870A | False twist texturing machine and method for producing a textured thread | Textiles; Paper | 3 | Expired |
| US5369945A | Method and apparatus for controlling the yarn tension in a false twist texturing machine | Textiles; Paper | 3 | Expired |
| US4408448A | Yarn false twisting method and apparatus | Textiles; Paper | 3 | Expired |
| US5664409A | Method of controlling the tension of an advancing yarn | Textiles; Paper | 2 | Expired |
| US4387557A | False twisting apparatus and method | Textiles; Paper | 2 | Expired |
| US4391091A | False twisting apparatus and method | Textiles; Paper | 2 | Expired |
| US5349808A | Yarn twisting disc | Textiles; Paper | 2 | Expired |
| US6212867A | False twist device | Textiles; Paper | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.