Friedhelm Siepmann
3Patents
1h-index
15Co-inventors
45Inventor score
Filing activity: Apr 22, 1994 → Jul 10, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6617165B1 | Method for automatically testing and controlling surface-active contents in aqueous solutions used in a process | Emerging Cross-Sectional Technologies | 6 | Expired |
| US9676545B2 | Fragrant, water-soluble packaging | Chemistry; Metallurgy | 1 | Active |
| US5441611A | Method for determining and controlling the concentration of active substances included for cleaning and disinfection in aqueous cleaning and disinfecting solutions | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.