Issued Patents All Time
Showing 101–125 of 127 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D450827 | Filter element having sealing system | Carolyn J. Finnerty | 2001-11-20 |
| D450376 | Air cleaner | Peter J. Murray, Gary J. Rocklitz, Junhui Liu | 2001-11-13 |
| 6290739 | Aerosol separator; and method | Robert Allen Dushek, Carolyn J. Finnerty | 2001-09-18 |
| D447549 | Filter frame holding flexible, irregular media | Wayne R. W. Bishop | 2001-09-04 |
| D444219 | Centerpiece for filter element | William Juliar, Edward A. Steinbrueck, Wayne R. W. Bishop, Patrick Golden, Wayne C. Musselman | 2001-06-26 |
| 6221122 | Filter element and methods | Wayne R. W. Bishop | 2001-04-24 |
| D440293 | Coalescer filter | Robert Allen Dushek, Wayne R. W. Bishop | 2001-04-10 |
| D439963 | Panel filter | Robert Allen Dushek, Peter J. Murray | 2001-04-03 |
| D439962 | Coalescer filter element with screen | Robert Allen Dushek | 2001-04-03 |
| D438214 | Filter element | Robert Allen Dushek | 2001-02-27 |
| 6190432 | Filter arrangement; sealing system; and methods | Carolyn J. Finnerty | 2001-02-20 |
| 6187073 | Air cleaner; aerosol separator; and method | Robert Allen Dushek | 2001-02-13 |
| D437402 | Filter element with centerpiece | William Juliar, Edward A. Steinbrueck, Wayne R. W. Bishop, Patrick Golden, Wayne C. Musselman | 2001-02-06 |
| 6179890 | Air cleaner having sealing arrangement between media arrangement and housing | Timothy M. Ramos, Edward A. Steinbrueck, Carolyn J. Finnerty, Wayne R. W. Bishop | 2001-01-30 |
| 6171355 | Aerosol separator; and method | Robert Allen Dushek | 2001-01-09 |
| 6143049 | Aerosol separator; and method | Robert Allen Dushek | 2000-11-07 |
| D420117 | Coalescer filter with rear plate | Robert Allen Dushek, Jeffrey J. Ivarson | 2000-02-01 |
| D410010 | Coalescer filter | Robert Allen Dushek, Jeffrey J. Ivarson | 1999-05-18 |
| 5853439 | Aerosol separator and method | Robert Allen Dushek | 1998-12-29 |
| 5685345 | Reinforcing structure for conduit; and method | Thomas A. Boeckermann, Larry R. Nepsund | 1997-11-11 |
| 5137308 | Air transfer system | Donald F. Engel | 1992-08-11 |
| 5123795 | Quarter turn fastener | Donald F. Engel | 1992-06-23 |
| 4974881 | Air transfer system | Donald F. Engel | 1990-12-04 |
| 4856826 | Air transfer system | Donald F. Engel | 1989-08-15 |
| 4720292 | Cylindrical air filter with lightweight housing and radially directed seal | Donald F. Engel | 1988-01-19 |