Maarschalkerweerd; Jan M.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Maarschalkerweerd; Jan M..The latest application filed is for "fluid treatment system and cleaning apparatus therefor".
- Maarschalkerweerd; Jan M. - Mount Brydges CA
- Maarschalkerweerd; Jan M. - London CA
- Maarschalkerweerd; Jan M. - Ontario CA
| Patent | Date |
|---|---|
| Fluid treatment system and cleaning apparatus therefor Grant 6,659,431 - Fang , et al. December 9, 2 | 2003-12-09 |
| Fluid treatment system and process Grant RE36,896 - Maarschalkerweerd October 3, 2 | 2000-10-03 |
| Fluid treatment system and process Grant 5,590,390 - Maarschalkerweerd December 31, 1 | 1996-12-31 |
| Method of cleaning fouling materials from a radiation module Grant 5,539,209 - Maarschalkerweerd July 23, 1 | 1996-07-23 |
| Radiation sensor with means to remove fouling materials Grant 5,539,210 - Maarschalkerweerd July 23, 1 | 1996-07-23 |
| Fluid treatment device and method Grant 5,504,335 - Maarschalkerweerd April 2, 1 | 1996-04-02 |
| Fluid treatment system and process Grant 5,418,370 - Maarschalkerweerd May 23, 1 | 1995-05-23 |
| Ultraviolet fluid purifying device Grant 4,482,809 - Maarschalkerweerd November 13, 1 | 1984-11-13 |
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