Franz Starp
19Patents
5h-index
9Co-inventors
55Inventor score
Filing activity: Feb 9, 1973 → Jun 19, 1989
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4964221A | Counterbalanced coordinate-measuring instrument | Physics | 46 | Expired |
| US4216626A | Machine for grinding and polishing workpieces | Performing Operations; Transporting | 12 | Expired |
| US4062030A | Interchangeable lens retaining means for photographic cameras | Physics | 11 | Expired |
| US4158779A | X-ray shield | Physics | 9 | Expired |
| US4354753A | Reflex camera having a focal plane shutter and an interchangeable variable shutter objective | Physics | 5 | Expired |
| US4277155A | Control device for photographic cameras | Physics | 4 | Expired |
| US3988754A | Fast operating slit shutter camera | Physics | 4 | Expired |
| US4327977A | Frictionally controlled photographic camera apparatus such as a reflex camera | Physics | 4 | Expired |
| US3935581A | INTERCHANGEABLE LENS ADAPTABLE TO A CAMERA OR PHOTOGRAPHIC SHUTTER, WITH BUILT-IN SECTOR SYSTEM | Physics | 4 | Expired |
| US4327846A | Apparatus for supplying cooling and/or polishing liquids, more especially for use in machines for grinding and/or polishing optical lenses | Performing Operations; Transporting | 2 | Expired |
| US4057812A | Camera shutter having an electronic timing device | Physics | 2 | Expired |
| US4051495A | Single lens reflex camera with interchangeable lens | Physics | 2 | Expired |
| US4339192A | Cable release attachable to a camera shutter | Physics | 1 | Expired |
| US4372662A | Diaphragm setting device for photographic camera | Physics | 1 | Expired |
| US4470679A | Central shutter for cameras, especially professional cameras | Physics | 1 | Expired |
| US4514066A | Mechanism for indicating and setting the parameters of exposure aperture and/or exposure time for photographic cameras | Physics | 1 | Expired |
| US4355876A | Control device having an internal electric or voltage source | Electricity | 1 | Expired |
| US4354752A | Photographic camera | Physics | 1 | Expired |
| US4349256A | Photographic camera such as a reflex camera | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.