Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9587763 | Device for securing a fire hydrant valve using a moveable element | Fred J. Stehling, Terry McWilliams | 2017-03-07 |
| 7322563 | Arrangement for securing in-ground water valves | Fred J. Stehling, Terry McWilliams | 2008-01-29 |
| 7128091 | Sexless coupling for fire hydrant-fire hose connection | — | 2006-10-31 |
| 7040342 | Fire hydrant lock | Fred J. Stehling, Terry McWilliams | 2006-05-09 |
| 7040339 | Suction inlet valve for fire truck pumpers | — | 2006-05-09 |
| 6802338 | Fire hydrant securing arrangements | — | 2004-10-12 |
| 6089253 | Fire hydrant security systems | Henry J. Stehling | 2000-07-18 |
| 5596893 | Devices for securing fire hydrant valves | Henry J. Stehling, Sheldon Levine, Horace E. Nichols, Jr. | 1997-01-28 |