Hans Merk
12Patents
7h-index
12Co-inventors
63Inventor score
Filing activity: Sep 20, 1985 → Mar 18, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6321942A | Discharge device for flowable media using a thrust piston pump | Performing Operations; Transporting | 47 | Expired |
| US5893484A | Discharge device for fluid media, particularly for single-stroke only discharge | Performing Operations; Transporting | 27 | Expired |
| US4661612A | Method for purifying silicone oil | Electricity | 23 | Expired |
| US6427878B1 | Apparatus for the discharge of an atomized liquid medium in partial strokes of different length | Human Necessities | 21 | Expired |
| US5979711A | Dispenser for media | Performing Operations; Transporting | 17 | Expired |
| US7104469B2 | Discharge device for at least one medium | Human Necessities | 10 | Expired |
| US6059150A | Media dispenser having a plurality of flow operating states | Performing Operations; Transporting | 9 | Expired |
| US5938084A | Dispenser for media | Performing Operations; Transporting | 5 | Expired |
| US8336563B2 | Device for application of a cosmetic powder to a sponge | Human Necessities | 5 | Active |
| US4610892A | Method for producing a directed aerosol stream | Chemistry; Metallurgy | 4 | Expired |
| US5884819A | Dispenser for media | Performing Operations; Transporting | 3 | Expired |
| US6808085B2 | Media dispenser | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.