Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8714397 | Electrical offset | Don Mukai | 2014-05-06 |
| 6823886 | Dispenser containment | Don Mukai | 2004-11-30 |
| 6230735 | Valve jacket | — | 2001-05-15 |
| 6217083 | Swivel fitting | — | 2001-04-17 |
| 6053539 | Swivel fitting | — | 2000-04-25 |
| 6006773 | Installation method for pipe layout with opposing incline | — | 1999-12-28 |
| 6003537 | Removable penetration fittings using T-fitting and flexible pipe combination | — | 1999-12-21 |
| 5988698 | Flexible penetration fitting | Don Mukai | 1999-11-23 |
| 5955657 | Pipe layout with opposing incline | — | 1999-09-21 |
| 5944361 | Secondary containment for underground storage tank riser | — | 1999-08-31 |
| 5882045 | Secondary containment for underground storage tank riser | — | 1999-03-16 |
| 5826919 | Flexible penetration fitting | Don Mukai | 1998-10-27 |
| 5800143 | Anchoring frame for containment box | — | 1998-09-01 |
| 5743673 | Watertight sealing system with relief valve for manhole having a spill bucket | — | 1998-04-28 |
| 5676183 | Gasoline containment systems with fire protective collar | — | 1997-10-14 |
| 5597263 | Watertight sealing system for manhole having a spill bucket | — | 1997-01-28 |
| 5564858 | Protective collar for fill pipe adaptor | — | 1996-10-15 |
| 5529098 | Gasoline containment systems with leak-resistant plastic fittings | — | 1996-06-25 |
| 5474396 | Watertight sealing system for manhole | — | 1995-12-12 |
| D359794 | Combined impact valve and plunger | — | 1995-06-27 |
| 5421663 | Butter dispenser | — | 1995-06-06 |
| 5351707 | Vibration-resistant impact valve for vapor recovery line | — | 1994-10-04 |
| 5341857 | Gasoline containment systems with leak-resistant plastic fittings | — | 1994-08-30 |
| 5289842 | Vibration-resistant impact valve for vapor recovery line | — | 1994-03-01 |
| 5285829 | Gasoline containment systems with leak-resistant plastic fittings | — | 1994-02-15 |