Kool; Dennis J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kool; Dennis J..The latest application filed is for "point-of-use water treatment system".
- Kool; Dennis J. - Kentwood MI
| Patent | Date |
|---|---|
| Point-of-use water treatment system Grant 6,773,587 - Kool , et al. August 10, 2 | 2004-08-10 |
| Point-of-use water treatment system Grant 6,716,343 - Kool , et al. April 6, 2 | 2004-04-06 |
| Point-of-use water treatment system App 20030010695 - Kool, Dennis J. ; et al. | 2003-01-16 |
| Point-of-use water treatment system App 20030000880 - Kool, Dennis J. ; et al. | 2003-01-02 |
| Point-of-use water treatment system Grant 6,245,229 - Kool , et al. June 12, 2 | 2001-06-12 |
| Water treatment system Grant D414,240 - Kool , et al. September 21, 1 | 1999-09-21 |
| Home water purification system Grant 5,853,572 - Kuennen , et al. December 29, 1 | 1998-12-29 |
| Home water purification system with filter end of life monitor Grant 5,698,091 - Kuennen , et al. December 16, 1 | 1997-12-16 |
| Apparatus for demonstrating a residential point of use water treatment system Grant 5,693,226 - Kool December 2, 1 | 1997-12-02 |
| Water purifier Grant D380,524 - Kool July 1, 1 | 1997-07-01 |
| Home water purification system with automatic disconnecting of radiant energy source Grant 5,536,395 - Kuennen , et al. July 16, 1 | 1996-07-16 |
| Ultraviolet lamp assembly for water purification Grant 5,393,419 - Tiede , et al. February 28, 1 | 1995-02-28 |
| Water purifier housing Grant D355,700 - Kool February 21, 1 | 1995-02-21 |
| Measuring scoop with molded reusable fit clip Grant 5,347,865 - Mulry , et al. September 20, 1 | 1994-09-20 |
| Water filter cartridge Grant 5,344,558 - Kool September 6, 1 | 1994-09-06 |
| Measuring scoop Grant D339,991 - Mulry , et al. October 5, 1 | 1993-10-05 |
| Pressure vessel for housing a water filter Grant 5,128,034 - Kool July 7, 1 | 1992-07-07 |
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