Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11007546 | Child-proof discharger | Gisbert Welp | 2021-05-18 |
| 10272459 | Child-proof discharger | Gisbert Welp | 2019-04-30 |
| 10149442 | Automated planter apparatus | — | 2018-12-11 |
| D819485 | Automated planter apparatus | — | 2018-06-05 |
| D590256 | Trigger sprayer shroud | Karl Gisbert Welp | 2009-04-14 |
| D567083 | Trigger sprayer shroud | Karl Gisbert Welp | 2008-04-22 |
| 5775548 | Upright/inverted sprayer | Ingo Schafer | 1998-07-07 |
| 4641255 | Apparatus for simulation of visual fields of view | — | 1987-02-03 |
| 4340928 | Rotatable vehicle headlights | — | 1982-07-20 |