Robert Massen
26Patents
13h-index
27Co-inventors
81Inventor score
Filing activity: Sep 26, 1980 → Dec 21, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5372502A | Optical probe and method for the three-dimensional surveying of teeth | Physics | 358 | Expired |
| US5386292A | Optical measurement of teeth | Human Necessities | 166 | Expired |
| US5794788A | Method and device for sorting materials | Emerging Cross-Sectional Technologies | 134 | Expired |
| US5253302A | Method and arrangement for automatic optical classification of plants | Electricity | 131 | Expired |
| US5911126A | Method and arrangement for digitized three-dimensional sensing of the shape of bodies or body parts | Electricity | 106 | Expired |
| US4887155A | Method and arrangement for measuring and/or monitoring properties of yarns or ropes | Physics | 48 | Expired |
| US5604817A | Tooth measurement without calbration bodies | Human Necessities | 47 | Expired |
| US5809165A | Method for color control in the production process | Physics | 43 | Expired |
| US5339154A | Method and apparatus for optical measurement of objects | Physics | 32 | Expired |
| US5333208A | Method and arrangement for optical control of the needles of knitting machines | Physics | 28 | Expired |
| US4604904A | Sensor for the detection of random signals which are suitable for correlative signal processing | Physics | 20 | Expired |
| US5524746A | Individualizing service for sorting particles of a bulk material | Performing Operations; Transporting | 17 | Expired |
| US4586372A | Method and arrangement for the continuous contactless measurement of the shrinkage of textiles | Physics | 13 | Expired |
| US5271345A | Device for optically scanning the material being sewn in a sewing machine | Physics | 10 | Expired |
| US5379949A | Method for treating particles of a bulk material and method for controlling a roll mill | Performing Operations; Transporting | 10 | Expired |
| US7298889B2 | Method and assembly for the photogrammetric detection of the 3-D shape of an object | Physics | 9 | Expired |
| US4430722A | Method and arrangement for the correlation of two signals | Physics | 9 | Expired |
| US7446884B2 | Method for optically detecting the spatial form of inside spaces and a device for carrying out said method | Physics | 8 | Expired |
| US7095886B2 | Arrangement and method for producing photogrammetric image records | Physics | 8 | Expired |
| US7298890B2 | Method and arrangement for the photographically detecting the spatial form of an object | Human Necessities | 7 | Expired |
| US7209586B2 | Method and arrangement for detecting the spatial form of an object | Physics | 7 | Expired |
| US9056465B2 | Ink-jet print head with integrated optical monitoring of the nozzle function | Performing Operations; Transporting | 4 | Active |
| US7256883B2 | Method for the optical inspection of a transparent protective layer and of a colored patterned surface | Physics | 3 | Expired |
| US6892946B2 | Device for verifying documents | Physics | 2 | Expired |
| US6750465B2 | Device for evaluating diffractive authenticity features | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.