Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5319957 | Method and apparatus for testing containers | Alfred Wenger | 1994-06-14 |
| 5317902 | Method and apparatus for testing containers | Alfred Wenger | 1994-06-07 |
| 5209625 | Apparatus for rounding and conveying onwards sheet-metal blanks for can bodies | — | 1993-05-11 |
| 5122629 | Resistance seam welding machine | — | 1992-06-16 |
| 5120177 | Apparatus for rounding and conveying onwards sheet-metal blanks for can bodies | — | 1992-06-09 |
| 5031892 | Apparatus for removing blanks from a pile and conveying them onwards | — | 1991-07-16 |
| 4856632 | Safety clutch for rotating drives | — | 1989-08-15 |
| 4728766 | Welding machine for welding tongues onto sheet-metal parts | Paul Opprecht, Felix Kramer | 1988-03-01 |
| 4675489 | Through guide for rounded blanks on a seam welding machine | Paul Opprecht | 1987-06-23 |
| 4350862 | Feeding device in a welding machine for feeding can bodies to electrode rolls | — | 1982-09-21 |