Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7438086 | Dynamic fluid power monitoring system for separate actuators | Jose Bento, Joseph E. Foster, Detlef Zimmerling | 2008-10-21 |
| 7281464 | Inlet monitor and latch for a crust breaking system | Charles A. Weiler, Jr., Robert N. Winsand | 2007-10-16 |
| 6840258 | Dynamically-monitored double valve with anti-tiedown feature | Joseph E. Foster | 2005-01-11 |
| 6840259 | Dynamically-monitored double valve with retained memory of valve states | Joseph E. Foster | 2005-01-11 |
| 6824144 | Kneeling valve | Joseph E. Foster | 2004-11-30 |
| 6649035 | Low energy and non-heat transferring crust breaking system | Theodor H. Horstmann, Joseph E. Foster | 2003-11-18 |
| 6637462 | Variable pressure control device | Joseph E. Foster | 2003-10-28 |
| 6609767 | Pneumatic control system | Dennis L. Mortenson, Joseph E. Foster | 2003-08-26 |
| 6478049 | Double valve with anti-tiedown capability | Jose Bento, C. Brian Wolfe | 2002-11-12 |
| 6318396 | Double valve with anti-tiedown capability | David W. Haselden, Jr., Logan H. Mathis, C. Brian Wolfe | 2001-11-20 |
| 6155293 | Double valve with anti-tiedown capability | David W. Haselden, Jr., Logan H. Mathis, C. Brian Wolfe | 2000-12-05 |
| 5927324 | Cross flow with crossmirror and lock out capability valve | Logan H. Mathis, C. Brian Wolfe | 1999-07-27 |
| 5850852 | Crossflow with crossmirror and lock out capability valve | Logan H. Mathis, C. Brian Wolfe | 1998-12-22 |
| 5113907 | Dynamic self-monitoring air operating system | — | 1992-05-19 |
| 5067519 | Safety valve for fluid systems | Owen H. Libby | 1991-11-26 |
| 4181148 | Self monitoring double valve | Russell J. Cameron, Richard P. Zbell, Lloyd L. Schmaltz | 1980-01-01 |