Issued Patents All Time
Showing 25 most recent of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7913854 | Filter apparatus and method with simplified filter belt indexing and sealing | Bryn Hartshorne | 2011-03-29 |
| 7357872 | Lift station and method | — | 2008-04-15 |
| 7338606 | Arrangement and method for maintaining a minimum flow velocity in the coolant return of a machine tool coolant filtration system | — | 2008-03-04 |
| 7172689 | Arrangement and method for maintaining a minimum flow velocity in the coolant return of a machine tool coolant filtration system | — | 2007-02-06 |
| 7134557 | Lift station and method | — | 2006-11-14 |
| 7077954 | Apparatus and method for recirculating machine tool coolant and removing ferrous debris therefrom | — | 2006-07-18 |
| 6846421 | Filtering method and filter chamber sealing arrangement | — | 2005-01-25 |
| 6708737 | Velocity flume and method for collecting machining coolant | — | 2004-03-23 |
| 6705555 | Lift station and method for shallow depth liquid flows | — | 2004-03-16 |
| 6638430 | Magnetic separator and process for removing ferromagnetic particles from a liquid | — | 2003-10-28 |
| 6612314 | Process for removing oil containing machining fluid from machined chips | — | 2003-09-02 |
| 6612445 | Industrial filter with arrangement for removing machining chips from coolant prior to filtering | — | 2003-09-02 |
| 6508944 | Vacuum flush assist system and process for handling machining cutting fluid | — | 2003-01-21 |
| 6495031 | Enclosed belt filter apparatus | — | 2002-12-17 |
| 6277276 | Filter apparatus with magnetic separation | — | 2001-08-21 |
| 6235209 | Auxiliary filter and process for removing residual particles from filtered cutting fluid | — | 2001-05-22 |
| 6116616 | Sealing arrangement for machine/tool coolant collection troughs | — | 2000-09-12 |
| 5980735 | Collection system for machine tool coolant | — | 1999-11-09 |
| 5624579 | Method of simultaneously indexing permanent and disposable filter media in a vacuum filter apparatus | — | 1997-04-29 |
| 5601729 | Filter apparatus and method with media edge sealing | — | 1997-02-11 |
| 5593596 | System and method for collecting cutting fluid liquid and chips | — | 1997-01-14 |
| 5565112 | Method for retrofitting filters with permanent filter media belt | — | 1996-10-15 |
| 5466380 | Sump system and method for collecting liquid to be filtered | — | 1995-11-14 |
| 5380446 | Method for filtration of machine tool coolant | — | 1995-01-10 |
| 5307551 | Method of installing a filter belt on a filter housing mounted roller | — | 1994-05-03 |