Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11703080 | Fire hydrant | Yanlong Li, Paul S. Gifford | 2023-07-18 |
| 11619259 | Fire hydrant | Yanlong Li, Paul S. Gifford | 2023-04-04 |
| 11333193 | Bearing system for a fire hydrant | Yanlong Li, Paul S. Gifford | 2022-05-17 |
| 10865918 | Break-away traffic flange for a hydrant | Alan B. Channell, Christopher Joseph Duckett, Paul S. Gifford, Gary Wayne Hadley, Nelson Sanders McClure, Jr. | 2020-12-15 |
| 10458481 | Torque-reducing sleeve for a hydrant stem | Yanlong Li, Paul S. Gifford | 2019-10-29 |
| 10024541 | Double oven appliance | William Byron Wiggins, Edwin Glenn Zehr, Kenneth W. Johnson | 2018-07-17 |
| 9175845 | Axial flow steam generator feedwater dispersion apparatus | Robert M. Wepfer | 2015-11-03 |