Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7641098 | Continuous welding machine for welding a pipe blank | — | 2010-01-05 |
| 7536891 | Roll-forming or bending machine | Klaus Bassler | 2009-05-26 |
| 7293687 | Apparatus for manufacturing tubes | Walther Lacher | 2007-11-13 |
| 4820896 | Method and apparatus producing drawn copper wire from an electrical seam welder | Hanspeter Fankhauser | 1989-04-11 |
| 4774391 | Machine for welding together the longitudinal edges of rounded can bodies | — | 1988-09-27 |
| 4741468 | Apparatus for conveying rounded body blanks through a welding zone | Michael Baumgartner, Andreas Lanz | 1988-05-03 |
| 4726210 | Method and apparatus for making can bodies from sheets | Josef Locher | 1988-02-23 |
| 4700037 | Machine for welding rounded body blanks | — | 1987-10-13 |
| 4572937 | Method of electrical resistance roll seam welding with only one electrode wire, machine for performing the process and use of the process | Paul Opprecht | 1986-02-25 |
| 4536636 | Method and machine for electrical resistance roll seam welding with a single electrode-wire | Paul Opprecht, Martin Kaul | 1985-08-20 |
| 4493962 | Apparatus and method to suppress oxidation during resistance welding | Andres Lanz, Max Vogt, Paul Meier, Martin Kaul, Hanspeter Fankhauser | 1985-01-15 |
| 4395614 | Apparatus to suppress oxidation during resistance welding | Andres Lanz, Max Vogt, Paul Meier, Martin Kaul, Hanspeter Fankhauser | 1983-07-26 |