Heinz Klein
4Patents
3h-index
10Co-inventors
51Inventor score
Filing activity: Feb 10, 1976 → Sep 4, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7234460B2 | Metering valve for a metered dose inhaler providing consistent delivery | Human Necessities | 85 | Expired |
| US4055458A | Etching glass with HF and fluorine-containing surfactant | Chemistry; Metallurgy | 34 | Expired |
| US4006064A | Process for the electrodeposition of chrome plate using fluorine-containing wetting agents | Chemistry; Metallurgy | 4 | Expired |
| US4919680A | High-extraction chrome tanning process | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.