Inventor
URECH WERNER
CH31 patents
⚠️ This page may combine multiple inventors who share the name “URECH WERNER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ELPATRONIC AG
29 patentsUS6127646AOct 3, 2000
Apparatus for butting two workpieces together for a welding operation
ELPATRONIC AG23 citations92
US5878944AMar 9, 1999
Method and apparatus for connecting two metallic workpieces together
ELPATRONIC AG17 citations92
US5343010AAug 30, 1994
Process for seam welding of sheet metal blanks
ELPATRONIC AG33 citations92
US5550345AAug 27, 1996
Process and device for welding sheets by laser to form compound sheets
ELPATRONIC AG17 citations80
US6639176B1Oct 28, 2003
Method and device for producing welded blanks
ELPATRONIC AG12 citations74
US6394335B2May 28, 2002
Method for producing a molded part and a molded part produced according to said method
ELPATRONIC AG9 citations74
US5639012AJun 17, 1997
Process and device for the posttreatment of welded compound panels
ELPATRONIC AG9 citations74
US4795875AJan 3, 1989
Contact wire for a roller seam welding machine
ELPATRONIC AG9 citations74
US6053392AApr 25, 2000
Method and apparatus for connecting two metallic workpieces together
ELPATRONIC AG9 citations73
US6036075AMar 14, 2000
Method and apparatus for connecting two workpieces together
ELPATRONIC AG11 citations73
US5749511AMay 12, 1998
Method and apparatus for connecting two workpieces together
ELPATRONIC AG7 citations73
US5984163ANov 16, 1999
Method of producing and utilizing deformable workpieces for high-pressure forming and products formed thereby
ELPATRONIC AG7 citations71
US5159168AOct 27, 1992
Sliding contact roller head
ELPATRONIC AG9 citations71
US5155405AOct 13, 1992
Electrode roller with flexible current transmitting disc
ELPATRONIC AG9 citations71
US5929765AJul 27, 1999
Method and apparatus for positioning and aligning workpieces
ELPATRONIC AG11 citations66
US6011236AJan 4, 2000
Method and apparatus for joining two metal foils together
ELPATRONIC AG2 citations63
US4886953ADec 12, 1989
Electrode wire for a roller seam welding machine
ELPATRONIC AG3 citations63
US4651891AMar 24, 1987
Tear-open can member
ELPATRONIC AG2 citations63
US6105845AAug 22, 2000
Method and apparatus for connecting two workpieces together
ELPATRONIC AG5 citations62
US5957369ASep 28, 1999
Method for connecting two workpieces together
ELPATRONIC AG4 citations62
US4915562AApr 10, 1990
Rupturable can member as well as method and apparatus for its production
ELPATRONIC AG3 citations62
US4795295AJan 3, 1989
Rupturable can member as well as method and apparatus for its production
ELPATRONIC AG1 citations62
US4662534AMay 5, 1987
Rupturable can member
ELPATRONIC AG2 citations62
US4712960ADec 15, 1987
Openable can body
ELPATRONIC AG4 citations61
US4637521AJan 20, 1987
Openable can body
ELPATRONIC AG3 citations61
US6070786AJun 6, 2000
Method of producing and utilizing deformable workpieces for high-pressure forming and products formed thereby
ELPATRONIC AG4 citations60
US5341696AAug 30, 1994
Process and device for producing a peel or tear test specimen on a welded compound sheet
ELPATRONIC AG6 citations54
US4760234AJul 26, 1988
Method and apparatus for connecting a hollow member to an inner member
ELPATRONIC AG5 citations54
US6675627B1Jan 13, 2004
Method and device for forming conical tube casings
ELPATRONIC AG1 citations52