Helmut Weigend
7Patents
4h-index
7Co-inventors
50Inventor score
Filing activity: Nov 5, 1984 → May 22, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6543580B1 | Lubrication apparatus and method of applying a lubricant | Performing Operations; Transporting | 15 | Expired |
| US6120715A | Method and apparatus for spinning, drawing, and winding a yarn | Textiles; Paper | 10 | Expired |
| US4690564A | Device for measuring ink density on printed surfaces | Physics | 10 | Expired |
| US7802977B2 | Apparatus for melt spinning and windup of synthetic yarn | Performing Operations; Transporting | 4 | Active |
| US4784492A | Device for determining surface proportion of a printed pattern for printing machines | Performing Operations; Transporting | 2 | Expired |
| US9428848B2 | Method for melt spinning, stretching, and winding a multifilament thread as well as a device for performing the method | Performing Operations; Transporting | 1 | Active |
| US4712918A | Method for measuring ink density | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.