Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8312898 | Plug with engagement members | — | 2012-11-20 |
| 8245732 | Apparatus for pressure testing a plumbing installation | — | 2012-08-21 |
| 8113241 | Resilient test valve member | — | 2012-02-14 |
| 8096318 | Valve flap for a plumbing valve | — | 2012-01-17 |
| 7762282 | Closure for a plumbing cleanout | — | 2010-07-27 |
| 7757706 | Backwater valve assembly with removable valve member | — | 2010-07-20 |
| 7731242 | Pipe clamp with built in test fitting | — | 2010-06-08 |
| 7665486 | Tear out test plug for plumbing installations | — | 2010-02-23 |
| 7360965 | Cleanout with drainage capabilities | — | 2008-04-22 |
| 7325573 | Plumbing line test plug and method of use of the same | — | 2008-02-05 |
| 6679283 | Valve inspection chamber | — | 2004-01-20 |
| 6499503 | Backflow valve | — | 2002-12-31 |
| 6446665 | Backwater valve | — | 2002-09-10 |
| 6318404 | Backflow valve | — | 2001-11-20 |
| 5406972 | Backwater valve | Vitto Chiodo | 1995-04-18 |