Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12320429 | Butterfly valve | Paul M. Gutmann, Joshua Lee Hoots, Jon Terence Stone | 2025-06-03 |
| 11092242 | Butterfly valve | Paul M. Gutmann, Joshua Lee Hoots, Jon Terence Stone | 2021-08-17 |
| 11022133 | Sealing device for an immersible pump | Jon Terence Stone | 2021-06-01 |
| 10690252 | Butterfly valve | Paul M. Gutmann, Joshua Lee Hoots, Jon Terrence Stone | 2020-06-23 |
| 10683937 | Butterfly valve | Paul M. Gutmann, Joshua Lee Hoots, Jon Terence Stone | 2020-06-16 |
| 10683938 | Butterfly valve | Paul M. Gutmann, Joshua Lee Hoots, Jon Terence Stone | 2020-06-16 |
| 9989154 | Butterfly valve handle | Paul M. Gutmann, Joshua Lee Hoots, Jon Terence Stone | 2018-06-05 |
| 9745993 | Sealing device for an immersible pump | Jon Terence Stone | 2017-08-29 |
| 9695947 | Handle insert for valve | Paul M. Gutmann, Joshua Lee Hoots, Jon Terence Stone | 2017-07-04 |
| 9506569 | Needle valve | — | 2016-11-29 |
| 8887757 | Wafer check valve assembly and related methods of use | Joshua Lee Hoots, Jon Terence Stone, Paul M. Gutmann | 2014-11-18 |