Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5797633 | Hose connector, particularly for the connection of hoses, such as garden hoses | Johann Katzer, Wolfgang Lindermeir | 1998-08-25 |
| 5718381 | Sprinkler for discharging a fluid | Johann Katzer, Lothar Mitzlaff | 1998-02-17 |
| 5493851 | Lawnmower | Johann Katzer, Wolfgang Lindermeir, Christian Stephany, Werner Kress | 1996-02-27 |
| 5224795 | Irrigation regulator | Christian Stephany, Johann Katzer | 1993-07-06 |
| 5208525 | Electric power supply assembly for a cordless electric appliance | Johann Katzer, Wolfgang Lindermeir | 1993-05-04 |
| 5052621 | Drive mechanism for a sprinkler or the like | Johann Katzer, Wolfgang Lindermeir | 1991-10-01 |
| 5052622 | Sprinkler | Wolfgang Lindermeir, Johann Katzer, Johann Schaeffer, Christian Stephany, Roland Sauer | 1991-10-01 |
| 4673307 | Washing brush with adjustable head | Erich Prestele, Alfred Schneider, Willi Hepperle, Johann Katzer, Christian Stephany | 1987-06-16 |
| 4572235 | Mixing apparatus | Johann Katzer, Roland Sauer, Christian Stephany | 1986-02-25 |