Werner Keller
28Patents
7h-index
30Co-inventors
69Inventor score
Filing activity: Aug 20, 1975 → Aug 22, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5584581A | Linear guiding device | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US6449813B2 | Worm-driven hose clamp | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4645385A | Device for clamping cutting inserts | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6092701A | Fireproof plate and a clamping device for a sliding gate at the outlet of a vessel containing molten metal | Performing Operations; Transporting | 9 | Expired |
| US5698129A | Sliding gate valve for a metallurgical vessel | Performing Operations; Transporting | 8 | Expired |
| US7300208B2 | Linear guide unit and method for manufacturing the same | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US4039072A | Apparatus and method for conveying molded briquettes from a press to bed plates via an inclined conveyance track | Performing Operations; Transporting | 7 | Expired |
| US8740024B2 | Closing plate and sliding closure on the spout of a receptacle for molten metal | Performing Operations; Transporting | 7 | Active |
| US5961873A | Sliding gate valve assembly for use with a vessel containing molten metal | Performing Operations; Transporting | 6 | Expired |
| US6845549B2 | Worm drive hose clip | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5078306A | Refractory valve unit for controlling the discharge of molten metal in a metallurgical vessel | Performing Operations; Transporting | 5 | Expired |
| US8371484B2 | Sliding closure for a vessel containing molten metal | Performing Operations; Transporting | 5 | Active |
| US4728014A | Sliding closure unit with improved plate pressing structure | Performing Operations; Transporting | 4 | Expired |
| US9314841B2 | Pressing device for a casting pipe at the spout of a metallurgical container | Performing Operations; Transporting | 3 | Active |
| US4500018A | Rotary sliding closure unit and liquid melt container employing the same | Performing Operations; Transporting | 3 | Expired |
| US5509736A | Linear guiding device | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US5233717A | Method and device for treatment of a material web, in particular a fabric web | Textiles; Paper | 3 | Expired |
| US8939331B2 | Sliding closure for a metallurgical container | Performing Operations; Transporting | 2 | Active |
| US7241048B2 | Linear guide device, chain body, and method of producing a chain body | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US9027802B2 | Fireproof unit for a sliding closure at the spout of a container for metal melt | Performing Operations; Transporting | 2 | Active |
| US4875606A | Refractory valve body and sliding closure unit incorporating the same | Performing Operations; Transporting | 2 | Expired |
| US5429342A | Slide gate nozzle including sequentially replaceable refractory sliding plates and refractory plate assembly employable therein | Chemistry; Metallurgy | 2 | Expired |
| US9108245B2 | Sliding closure for a receptacle containing molten metal | Performing Operations; Transporting | 1 | Active |
| US4323359A | Machine for the continuous wet treatment of textile thread formations, the process for operating the machine, as well as a non-touching catch-thread device | Performing Operations; Transporting | 1 | Expired |
| US7383972B2 | Sliding closing element, with coupling | Performing Operations; Transporting | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.