Peter Hartwig
12Patents
7h-index
11Co-inventors
63Inventor score
Filing activity: Dec 8, 1975 → Nov 18, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4419421A | Ion conductor material | Physics | 193 | Expired |
| US5897525A | Process and apparatus for introducing a fluid | Human Necessities | 154 | Expired |
| US6004509A | Process for maintaining the sterility of a medical instrument | Human Necessities | 62 | Expired |
| US4724501A | Jacket for floppy disk | Physics | 25 | Expired |
| US4073408A | Apparatus for mixing plastics | Performing Operations; Transporting | 15 | Expired |
| US4386020A | Process for the production of thermodynamically stable solid ion conductor materials | Chemistry; Metallurgy | 12 | Expired |
| US4526855A | Process for the production of thermodynamically stable solid ion conductor materials | Chemistry; Metallurgy | 11 | Expired |
| US4950488A | Process of using precipitated amorphous silica or silicate as grinding aid for fish meal or fish food | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4026575A | Plastic ski | Human Necessities | 5 | Expired |
| US6173729A | Switch-over device | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4412901A | Method for the manufacture of solid electrolyte layers for galvanic cells | Electricity | 2 | Expired |
| US6165141A | Mebsystem | Human Necessities | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.