Gerhard Keller
32Patents
10h-index
47Co-inventors
75Inventor score
Filing activity: Feb 27, 1980 → Jan 4, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6243503A | Data acquisition device for optical detection and storage of visually marked and projected alphanumerical characters, graphics and photographic picture and/or three dimensional topographies | Electricity | 86 | Expired |
| US6596368B1 | Organic substrate having optical layers deposited by magnetron sputtering and method for preparing it | Emerging Cross-Sectional Technologies | 26 | Expired |
| US6491851B1 | Method for obtaining an ophthalmic lens comprising a surface utility microstructure and resulting ophthalmic lenses | Performing Operations; Transporting | 26 | Expired |
| US4311359A | Connecting a light-conducting fiber, fiber bundle, or light pipe to a light-emitting or light-receiving element | Physics | 24 | Expired |
| US5211798A | Apparatus for the production of tubes | Performing Operations; Transporting | 16 | Expired |
| US6473247B1 | Optical lens support and method for using same | Physics | 16 | Expired |
| US6852267B1 | Method for producing tubular containers | Performing Operations; Transporting | 14 | Expired |
| US4943405A | Method and apparatus for manufacturing compression molded articles from thermoplastic material | Performing Operations; Transporting | 12 | Expired |
| US6905323B2 | Device for producing two-chamber containers | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5292034A | Method for the production of a tube with a multi-layer tube head and a tube made of a pipe element having at least one plastic layer and a multi-layer tube head | Performing Operations; Transporting | 10 | Expired |
| US8096448B2 | Oval cross-section tube, method for the production and device for the use thereof | Emerging Cross-Sectional Technologies | 9 | Active |
| US6834257B2 | Method for providing diagnostic messages | Physics | 8 | Expired |
| US5900086A | Process for producing a tubular body and process for producing a tube with the use of the tubular body | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6227837A | Facility for manufacturing two- or multi-compartment tubes | Performing Operations; Transporting | 6 | Expired |
| US6551543B1 | Method and device for producing a two-chamber tube | Performing Operations; Transporting | 5 | Expired |
| US7122223B1 | Method for vacuum deposit on a curved substrate | Chemistry; Metallurgy | 4 | Expired |
| US6045736A | Method for producing a molded plastic article | Performing Operations; Transporting | 4 | Expired |
| US5800653A | Process for producing tubular bodies | Emerging Cross-Sectional Technologies | 2 | Expired |
| US9858729B2 | Pipette check station | Performing Operations; Transporting | 2 | Active |
| US7448187B2 | Installation for producing and packing tubes | Performing Operations; Transporting | 1 | Expired |
| US11347078B2 | Method for permanent visible marking of an optical article and marked optical article | Physics | 1 | Active |
| US6994818B2 | Method of making a multiple chamber tube | Performing Operations; Transporting | 1 | Expired |
| US6568305B1 | Method for the continuous production of tubular bodies | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7939127B2 | Method for obtaining a mark on a low surface energy ophthalmic lens | Physics | 1 | Active |
| US6911632B2 | Method for controlling the position of a foil strip edges | Performing Operations; Transporting | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.