Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D617878 | Hydraulic control valve | — | 2010-06-15 |
| 7458393 | Control valve with integrated insert providing valve seat and plug guides | — | 2008-12-02 |
| 7455279 | Hydraulic control valve with integrated dual actuators | — | 2008-11-25 |
| 7398955 | Gripping valve seat | — | 2008-07-15 |
| 7124774 | Control valve | — | 2006-10-24 |
| 6976668 | Roll diaphragm control valve | — | 2005-12-20 |
| D460526 | Control valve | — | 2002-07-16 |
| D437917 | Control flow valve | — | 2001-02-20 |
| 5464064 | Valve particularly useful in fire extinguishing systems | — | 1995-11-07 |
| 5383646 | Diaphragm control valve | — | 1995-01-24 |
| D335331 | Diaphragm valve | — | 1993-05-04 |
| 4862914 | Multi-position valve for backflushing filters | — | 1989-09-05 |
| 4662598 | Sleeve valve with integral control chamber | — | 1987-05-05 |
| 4658852 | Backflow preventer apparatus for fluid flow lines | — | 1987-04-21 |
| 4496132 | Sleeve valve with integral control chamber | — | 1985-01-29 |
| 4465258 | Sleeve valves | — | 1984-08-14 |
| 4221361 | Diaphragm valves | — | 1980-09-09 |