Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8327728 | Torque amplifying apparatus and system | — | 2012-12-11 |
| 7451781 | Pressure independent control valve | — | 2008-11-18 |
| RE39658 | Ball valve with modified characteristics | Werner Buck | 2007-05-29 |
| 7051994 | Control valve with detachable descrete curtain valve assembly | — | 2006-05-30 |
| 6837480 | Ball valve with adjustable flow coefficient | — | 2005-01-04 |
| 6827100 | Pressure independent control valve | — | 2004-12-07 |
| 6039304 | Ball valve with modified characteristics | Werner Buck | 2000-03-21 |
| 5472014 | Method of and valve for controlling flow in a hydronic system | — | 1995-12-05 |
| 5313980 | Method of and valve for controlling flow in a hydronic system | — | 1994-05-24 |