Hermann Luhrig
13Patents
4h-index
18Co-inventors
57Inventor score
Filing activity: Aug 3, 1979 → May 12, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4506843A | Double-hooked spool | Physics | 17 | Expired |
| US4395107A | Film cassette | Physics | 14 | Expired |
| US5784652A | Modular camera with cassette chamber accessible through outerbody | Physics | 12 | Expired |
| US4984751A | Spool for strip-form recording substrates, in particular for photographic films | Physics | 8 | Expired |
| US4867815A | Process for the manufacture of film cartridges | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4399212A | Method of processing an exposed photographic material and processing band for carrying out the method | Physics | 4 | Expired |
| US4508809A | Process for the exposure and development of photo-graphic images and an apparatus for carrying out the process | Physics | 3 | Expired |
| US4264718A | Photographic film unit of integral structure | Physics | 2 | Expired |
| US4242443A | Photographic film unit with integral structure | Physics | 2 | Expired |
| US4380382A | Film cassette for a photosensitive film strip | Physics | 1 | Expired |
| US6118942A | Photographic film package with lens | Physics | 0 | Expired |
| US4381891A | Film cassette for several strip films | Physics | 0 | Expired |
| US4537486A | Apparatus for the exposure and development of photographic images | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.