Patents per Year
Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 12196355 | Water drainage arrangement for a vehicle | Tanja Hövekamp, Andreas Stöcklein | 2025-01-14 | |
| 6647728 | Method for operating a turbine and turbine installation | — | 2003-11-18 | $152,000 |
| 5644990 | Railroad car hatch cover | — | 1997-07-08 | |
| 5438935 | Railroad car hatch cover mechanism with dual latch positions for safely venting hatch | — | 1995-08-08 | |
| 5188264 | Railroad hopper car discharge gate valve | James C. Parkow | 1993-02-23 | |
| 5186110 | Railroad hopper car discharge gate valve | — | 1993-02-16 | |
| 5160223 | Polymer wheel chock for use on vehicle transport carriers | — | 1992-11-03 | |
| 4819569 | Movable table with stabilizing apparatus | John M. Bastian, David C. Pflieger | 1989-04-11 | |
| 4319429 | Auxiliary crank end | — | 1982-03-16 | |
| 4260046 | Power wheel for folding doors | — | 1981-04-07 | |
| 4210231 | Power wheel for folding doors | — | 1980-07-01 |