Werner Urech
31Patents
6h-index
13Co-inventors
62Inventor score
Filing activity: Feb 23, 1983 → Feb 13, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4591687A | Electrical resistance-pressure welding process for welding parts of workpieces made of aluminum materials and an apparatus and electrode therefor | Emerging Cross-Sectional Technologies | 38 | Expired |
| US5343010A | Process for seam welding of sheet metal blanks | Performing Operations; Transporting | 18 | Expired |
| US5550345A | Process and device for welding sheets by laser to form compound sheets | Electricity | 9 | Expired |
| US5878944A | Method and apparatus for connecting two metallic workpieces together | Performing Operations; Transporting | 9 | Expired |
| US6127646A | Apparatus for butting two workpieces together for a welding operation | Performing Operations; Transporting | 8 | Expired |
| US5984163A | Method of producing and utilizing deformable workpieces for high-pressure forming and products formed thereby | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5159168A | Sliding contact roller head | Performing Operations; Transporting | 6 | Expired |
| US4795875A | Contact wire for a roller seam welding machine | Performing Operations; Transporting | 6 | Expired |
| US5929765A | Method and apparatus for positioning and aligning workpieces | Performing Operations; Transporting | 6 | Expired |
| US6053392A | Method and apparatus for connecting two metallic workpieces together | Performing Operations; Transporting | 5 | Expired |
| US6394335B2 | Method for producing a molded part and a molded part produced according to said method | Performing Operations; Transporting | 5 | Expired |
| US5341696A | Process and device for producing a peel or tear test specimen on a welded compound sheet | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5155405A | Electrode roller with flexible current transmitting disc | Performing Operations; Transporting | 5 | Expired |
| US5977511A | Process and device for welding sheets by laser to form compound sheets | Electricity | 4 | Expired |
| US5749511A | Method and apparatus for connecting two workpieces together | Performing Operations; Transporting | 4 | Expired |
| US4712960A | Openable can body | Performing Operations; Transporting | 4 | Expired |
| US6036075A | Method and apparatus for connecting two workpieces together | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4915562A | Rupturable can member as well as method and apparatus for its production | Performing Operations; Transporting | 3 | Expired |
| US6105845A | Method and apparatus for connecting two workpieces together | Performing Operations; Transporting | 3 | Expired |
| US5639012A | Process and device for the posttreatment of welded compound panels | Chemistry; Metallurgy | 3 | Expired |
| US4760234A | Method and apparatus for connecting a hollow member to an inner member | Performing Operations; Transporting | 3 | Expired |
| US6639176B1 | Method and device for producing welded blanks | Performing Operations; Transporting | 2 | Expired |
| US6070786A | Method of producing and utilizing deformable workpieces for high-pressure forming and products formed thereby | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4637521A | Openable can body | Performing Operations; Transporting | 2 | Expired |
| US4795295A | Rupturable can member as well as method and apparatus for its production | Performing Operations; Transporting | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.