| 7270692 |
Air filtration arrangements having fluted media constructions and methods |
Mark A. Gogins, Thomas M. Weik |
2007-09-18 |
| 7090711 |
Multistage air cleaner including pulse cleaning system |
Stan M. Koehler, William J. Krisko, Thomas Miller, Winston E. Olson, Fred H. Wahlquist +2 more |
2006-08-15 |
| 7090712 |
Air filtration arrangements having fluted media construction and methods |
Mark A. Gogins, Thomas M. Weik |
2006-08-15 |
| 6974490 |
Air filtration arrangements having fluted media constructions and methods |
Mark A. Gogins, Thomas M. Weik |
2005-12-13 |
| 6908494 |
Multistage air cleaner including pulse cleaning system |
Stan M. Koehler, William J. Krisko, Thomas Miller, Winston E. Olson, Fred H. Wahlquist +2 more |
2005-06-21 |
| 6875256 |
Methods for filtering air for a gas turbine system |
Mark A. Gogins, Thomas M. Weik |
2005-04-05 |
| 6872237 |
Multistage air cleaner including pulse cleaning system |
Stan M. Koehler, William J. Krisko, Thomas Miller, Winston E. Olson, Fred H. Wahlquist +2 more |
2005-03-29 |
| 6676721 |
Multistage air cleaner including pulse cleaning system |
Stan M. Koehler, William J. Krisko, Thomas Miller, Winston E. Olson, Fred H. Wahlquist +2 more |
2004-01-13 |
| 6673136 |
Air filtration arrangements having fluted media constructions and methods |
Mark A. Gogins, Thomas M. Weik |
2004-01-06 |
| D455826 |
Filter Apparatus |
Randy Engelland |
2002-04-16 |
| 6213146 |
Valve assembly for preventing liquid ingestion and methods |
Daniel T. Risch, Fred H. Wahlquist, Wayne M. Wagner, Joseph C. Tokar, Bernard A. Matthys +1 more |
2001-04-10 |
| 6209559 |
Valve assembly for preventing liquid ingestion and methods |
Daniel T. Risch, Fred H. Wahlquist, Wayne M. Wagner, Joseph C. Tokar, Bernard A. Matthys +1 more |
2001-04-03 |
| D428128 |
Conical filter |
Wayne M. Wagner, Joseph C. Tokar, Daniel T. Risch, Jim C. Rothman, Steven A. Carter |
2000-07-11 |
| D425189 |
Combined filter element and frame therefor |
Bernard A. Matthys, Joseph C. Tokar, Daniel T. Risch |
2000-05-16 |
| 6048386 |
Integrated resonator and filter apparatus |
Daniel T. Risch, Joseph C. Tokar, Wayne M. Wagner, Bernard A. Matthys, Edward A. Steinbrueck |
2000-04-11 |
| 6009898 |
Valve assembly for preventing liquid ingestion and methods |
Daniel T. Risch, Fred H. Wahlquist, Wayne M. Wagner, Joseph C. Tokar, Bernard A. Matthys +1 more |
2000-01-04 |
| D417268 |
Oval filter |
— |
1999-11-30 |
| 5902364 |
Conical filter |
Joseph C. Tokar, Wayne M. Wagner, Daniel T. Risch, Jim C. Rothman, Fred H. Wahlquist +2 more |
1999-05-11 |
| 5895574 |
Rolled liquid filter using fluted media |
Francis A. Friedmann, Bernard A. Matthys, Daniel T. Risch, Wayne M. Wagner, Fred H. Wahlquist |
1999-04-20 |
| D399944 |
Conical filter |
Wayne M. Wagner, Joseph C. Tokar, Daniel T. Risch, Jim C. Rothman, Steven A. Carter |
1998-10-20 |
| 5820646 |
Inline filter apparatus |
Wayne M. Wagner, Joseph C. Tokar, Daniel T. Risch, Jim C. Rothman, Fred H. Wahlquist |
1998-10-13 |
| D398046 |
Combined filter element and frame therefor |
Bernard A. Matthys, Joseph C. Tokar, Daniel T. Risch |
1998-09-08 |
| 5792247 |
Integrated resonator and filter apparatus |
Daniel T. Risch, Joseph C. Tokar, Wayne M. Wagner, Bernard A. Matthys, Edward A. Steinbrueck |
1998-08-11 |
| D396098 |
Conical filter |
Wayne M. Wagner, Joseph C. Tokar, Daniel T. Risch, Jim C. Rothman, Steven A. Carter |
1998-07-14 |
| 5772883 |
Slanted inline filter |
Jim C. Rothman, Wayne M. Wagner, Joseph C. Tokar, Daniel T. Risch, Fred H. Wahlquist +1 more |
1998-06-30 |