Issued Patents All Time
Showing 1–25 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12291862 | Support for sealing around a building penetration | — | 2025-05-06 |
| 12180695 | Backwater valve | — | 2024-12-31 |
| 12081005 | Weatherproof enclosure for junction box | — | 2024-09-03 |
| 11480268 | Seal for a protrusion on an exterior wall | — | 2022-10-25 |
| 11346097 | Backwater valve with control linkage | — | 2022-05-31 |
| 11214953 | Locked backwater valve | — | 2022-01-04 |
| 11114831 | Flashing hood for utility lines | — | 2021-09-07 |
| 10787804 | Weather barrier for a building penetration with a removable collar | — | 2020-09-29 |
| 10458112 | Backwater valve with control linkage | — | 2019-10-29 |
| 10051756 | Surround for electrical boxes | — | 2018-08-14 |
| 10044179 | Method of installing elongate bodies in a building | — | 2018-08-07 |
| 10018287 | Weather barrier for a building penetration | — | 2018-07-10 |
| 9903106 | Low profile overbalanced backwater valve | — | 2018-02-27 |
| 9883602 | Surround for electrical boxes | — | 2018-01-30 |
| 9863134 | Backwater valve with control linkage | — | 2018-01-09 |
| 9404606 | Backplate for a utility box | — | 2016-08-02 |
| 9140002 | Weather barrier for a building penetration | — | 2015-09-22 |
| 9109359 | Weather barrier for a building penetration | — | 2015-08-18 |
| 9097363 | Low profile backwater valve with lock | — | 2015-08-04 |
| 9009876 | Drain cover with locking mechanism | — | 2015-04-21 |
| 8894850 | Drain cover with locking mechanism | — | 2014-11-25 |
| 8646314 | Externally engaging test barrier | — | 2014-02-11 |
| 8640736 | Apparatus for pressure testing a plumbing system | — | 2014-02-04 |
| 8578961 | Low profile backwater valve | — | 2013-11-12 |
| 8453666 | Seal for pressure testing a plumbing installation and method of use thereof | — | 2013-06-04 |