Ralf Werner
21Patents
6h-index
50Co-inventors
72Inventor score
Filing activity: Oct 11, 1989 → Jan 29, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5498200A | Device for parallex-free centering of a blank for a glass lens for spectacles and for providing markings and/or attaching a holder before inserting the blank into a grinding machine for blanks for glass lenses | Performing Operations; Transporting | 25 | Expired |
| US6410661B1 | Stereorigid metallocene compounds | Chemistry; Metallurgy | 11 | Expired |
| US8191688B2 | Industrial truck with exchangeable battery block | Emerging Cross-Sectional Technologies | 10 | Active |
| US6270067A | Apparatus for slowing down products in rotary printing machines | Performing Operations; Transporting | 9 | Expired |
| US5580439A | Reference electrode for electrochemical determination of oxygen partial pressure in an ionic melt | Physics | 8 | Expired |
| US7164336B2 | Actuator for a fluid valve | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6975195B2 | Actuator for a fluid valve | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6419570B1 | Holding device for a spectacle glass | Performing Operations; Transporting | 5 | Expired |
| US6855042B1 | Retaining device for a block or suction element | Performing Operations; Transporting | 4 | Expired |
| US6902468B2 | Assembly for machining the edges of spectacle lenses | Physics | 3 | Expired |
| US6974363B2 | Unit for the form machining of the edges of spectacle lenses and method of manipulating blank lenses and finished lenses in such a unit | Performing Operations; Transporting | 2 | Expired |
| US6506280B2 | Adhesive compositions | Chemistry; Metallurgy | 2 | Expired |
| US5071528A | Method and device for measuring the oxygen partial pressure in high-temperature, corrosive liquids | Physics | 2 | Expired |
| US10247153B2 | Heating device for a fluid line | Emerging Cross-Sectional Technologies | 1 | Active |
| US9206331B2 | Aqueous polyurethane-polyurea dispersions | Chemistry; Metallurgy | 1 | Active |
| US8281900B2 | Industrial truck with adjustable wheel axle | Performing Operations; Transporting | 1 | Active |
| US7845274B2 | Web-fed printing press | Performing Operations; Transporting | 1 | Active |
| US8114931B2 | Aqueous adhesive dispersions | Chemistry; Metallurgy | 0 | Active |
| US11749638B2 | Method for contacting and packetising a semiconductor chip | Electricity | 0 | Active |
| US7513859B2 | Folding device for printing presses or folders | Performing Operations; Transporting | 0 | Expired |
| US7107791B2 | Method for changing the boundary surface tension of a liquid glass piece and apparatus for performing said method | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.