Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6231087 | Conical-shaped anchors, and double-containment pipe assemblies having such anchors | — | 2001-05-15 |
| 6086114 | Double-containment pipe assembly with conical-shaped internal anchor | — | 2000-07-11 |
| 5901753 | Flexibility support assembly for double-containment piping system | — | 1999-05-11 |
| 5862834 | Pipe support for permitting lateral and longtudinal movement of an inner pipe relative to an outer pipe in a double-containment pipe assembly | — | 1999-01-26 |
| 5715587 | Method of assembling double-containment piping assemblies | — | 1998-02-10 |
| 5690148 | Closure fitting and flexibility support assembly for double-containment piping systems | — | 1997-11-25 |
| 5590690 | Centering support for double-containment pipe assembly | — | 1997-01-07 |
| 5482088 | Supports double-containment systems with axial-guiding and flexibility | — | 1996-01-09 |
| 5452922 | Elbow fittings with expanded outer annulus space for double-containment assemblies | — | 1995-09-26 |
| 5404914 | Centering support for double containment pipe assembly | — | 1995-04-11 |
| 5400828 | Double-containment piping supports for improved annulus flow | Themistocli Ziu | 1995-03-28 |
| 5205592 | Underground containment tank and piping assembly | — | 1993-04-27 |
| 5197518 | Centering support assembly for double containment pipe systems | — | 1993-03-30 |
| 5152635 | Underground containment tank with removable piping assembly | — | 1992-10-06 |
| 5141256 | Double containment pipe assembly access housing | — | 1992-08-25 |
| 5141184 | Universal centering support device for double containment pipe assemblies | — | 1992-08-25 |
| 5141261 | Double containment pipe joint assembly | — | 1992-08-25 |
| 5085471 | Double containment pipe joint assembly | — | 1992-02-04 |
| 5018260 | Supports for double-containment thermoplastic pipe assemblies | — | 1991-05-28 |
| 4930544 | Double-containment thermoplastic pipe assembly | — | 1990-06-05 |
| 4786088 | Double-containment thermoplastic pipe assembly | — | 1988-11-22 |