Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5609212 | Adjustable sprinkler head positioning assembly | — | 1997-03-11 |
| 5588462 | Valve and sensor arrangement | — | 1996-12-31 |
| 5409066 | Adjustable sprinkler head positioning assembly | — | 1995-04-25 |
| 5406979 | Valve and sensor arrangement | — | 1995-04-18 |
| 5390744 | Combined alarm and back-flow prevention arrangement for fire suppression sprinkler system | — | 1995-02-21 |
| 5297635 | Combined alarm and back-flow prevention arrangement for fire suppression sprinkler system | — | 1994-03-29 |
| 5269344 | Supply valve and arrangement for fire suppression water sprinkler system | — | 1993-12-14 |
| 5154232 | Combined alarm and back-flow prevention arrangement for fire suppression sprinkler system | — | 1992-10-13 |
| 5103862 | Valve and arrangement for fire suppression water sprinkle system | — | 1992-04-14 |
| 5036883 | Valve and arrangement for fire suppression water sprinkler system | — | 1991-08-06 |
| 4995423 | Valve and arrangement for fire suppression water sprinkler system | — | 1991-02-26 |
| 4993453 | Valve and arrangement for fire suppression water sprinkler system | — | 1991-02-19 |
| 4991655 | Combined alarm and back-flow prevention arrangement for fire suppression sprinkler system | — | 1991-02-12 |
| 4971109 | Valve and arrangement for fire suppression water sprinkler system | — | 1990-11-20 |
| 4957123 | Device for cleaning a drain | — | 1990-09-18 |
| 4895178 | Device for cleaning a drain | — | 1990-01-23 |
| 4852610 | Valve and arrangement for fire suppression water sprinkler system | — | 1989-08-01 |
| 4741361 | Valve and arrangement for fire supression water sprinkler system | — | 1988-05-03 |