Issued Patents All Time
Showing 1–25 of 63 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6209569 | Safety shut-off valve assembly for a fuel dispenser | — | 2001-04-03 |
| 5975110 | Adapter assembly for accessing primary pipeline of a double wall pipeline system | — | 1999-11-02 |
| 5816426 | Double walled storage tank systems | — | 1998-10-06 |
| 5799817 | Storage tank systems with encapsulated flow paths | — | 1998-09-01 |
| 5772938 | Composite storage tank having double wall characteristics | — | 1998-06-30 |
| 5628425 | Composite storage tank having double wall characteristics | — | 1997-05-13 |
| 5597948 | Storage tank system with independent monitoring of ribs and tank wall | — | 1997-01-28 |
| 5553734 | Double walled storage tank systems with enhanced wall integrity | — | 1996-09-10 |
| 5547231 | Fittings for use with double wall pipeline systems having support fins | — | 1996-08-20 |
| 5494183 | Double wall storage tank systems having an intermittently bonded wall | — | 1996-02-27 |
| 5456502 | Fittings for use with fin strengthened double wall pipeline systems | — | 1995-10-10 |
| 5449203 | Fittings for connection to double wall pipeline systems | — | 1995-09-12 |
| 5320247 | Storage tanks with internal support ribs | — | 1994-06-14 |
| 5303840 | Storage tanks having strengthened walls | — | 1994-04-19 |
| 5259651 | Double wall fittings for use with double wall pipeline systems | — | 1993-11-09 |
| 5259895 | Method of building double walled storage tanks | — | 1993-11-09 |
| 5217052 | Containment assembly for fill pipe of underground storage tanks | — | 1993-06-08 |
| 5179984 | Storage tank system having an internal overfill means | — | 1993-01-19 |
| 5167142 | Double walled storage tanks with dual side wall support ribs | — | 1992-12-01 |
| 5152859 | Method of making a double walled cylindrical-shaped storage tank with independent monitoring of tank areas | — | 1992-10-06 |
| 5136877 | Storage tank systems with auxiliary enclosure assembly | — | 1992-08-11 |
| 5134878 | Fill line spill containment system | — | 1992-08-04 |
| 5133475 | Storage tank with integral manway | — | 1992-07-28 |
| 5117877 | Overfill assembly made of polymeric material | — | 1992-06-02 |
| 5102481 | Method of building double walled fibrous reinforced resinous storage tanks with common rib supports | — | 1992-04-07 |