| 11498851 |
Fluid filtering system and associated methods |
— |
2022-11-15 |
| 10336639 |
Gravity feed water treatment system |
Terry L. Lautzenheiser, Roy M. Taylor, William T. Stoner, Jr., Kenneth E. Conrad, Karen J. VanderKooi +2 more |
2019-07-02 |
| 10014722 |
Inductively coupled ballast circuit |
David W. Baarman, Scott A. Mollema, Ronald C. Markham, Dennis J. Denen |
2018-07-03 |
| 9590456 |
Inductively coupled ballast circuit |
David W. Baarman, Scott A. Mollema, Ronald C. Markham, Dennis J. Denen |
2017-03-07 |
| 9397524 |
Inductively coupled ballast circuit |
David W. Baarman, Scott A. Mollema, Ronald C. Markham, Dennis J. Denen |
2016-07-19 |
| 9352979 |
Gravity feed water treatment system |
Terry L. Lautzenheiser, Roy M. Taylor, William T. Stoner, Jr., Kenneth E. Conrad, Karen J. VanderKooi +2 more |
2016-05-31 |
| 9299493 |
Inductively coupled ballast circuit |
David W. Baarman, Scott A. Mollema, Ronald C. Markham, Dennis J. Denen |
2016-03-29 |
| 8618749 |
Inductively coupled ballast circuit |
David W. Baarman, Scott A. Mollema, Ronald C. Markham, Dennis J. Denen |
2013-12-31 |
| 8222827 |
Inductively coupled ballast circuit |
David W. Baarman, Scott A. Mollema, Ronald C. Markham, Dennis J. Denen |
2012-07-17 |
| 7385357 |
Inductively coupled ballast circuit |
David W. Baarman, Scott A. Mollema, Ronald C. Markham, Dennis J. Dennen |
2008-06-10 |
| 7364651 |
Remotely controllable outlet for water treatment system |
David W. Baarman, Andrew M. Clews |
2008-04-29 |
| 7316732 |
Air treatment filter and related method |
Roy M. Taylor, Gregory K. Evans |
2008-01-08 |
| 7252763 |
Point-of-use water treatment system |
Eric K. Bartkus, David W. Baarman, Kenneth E. Conrad, Terry L. Lautzenheiser, Greg Snyder +1 more |
2007-08-07 |
| 7180248 |
Inductively coupled ballast circuit |
David W. Baarman, Scott A. Mollema, Ronald C. Markham, Dennis J. Denen |
2007-02-20 |
| 7170200 |
Starter assembly for a gas discharge lamp |
Scott A. Mollema, David W. Baarman |
2007-01-30 |
| 6825620 |
Inductively coupled ballast circuit |
Scott A. Mollema, David W. Baarman, Ronald C. Markham, Dennis J. Denen |
2004-11-30 |
| 6806649 |
Starter assembly for a gas discharge lamp |
Scott A. Mollema, David W. Baarman |
2004-10-19 |
| 6793817 |
Lamp assembly for point-of-use water treatment system |
Eric K. Bartkus, David W. Baarman, Kenneth E. Conrad, Terry L. Lautzenheiser, Greg Snyder +1 more |
2004-09-21 |
| 6673250 |
Radio frequency identification system for a fluid treatment system |
David W. Baarman, Scott A. Mollema, Ronald C. Markham, Terry L. Lautzenheiser |
2004-01-06 |
| 6569319 |
UV light intensity detector in a water treatment system |
Eric K. Bartkus, David W. Baarman, Kenneth E. Conrad, Terry L. Lautzenheiser, Scott A. Mollema |
2003-05-27 |
| 6514420 |
Point-of use water treatment system |
Eric K. Bartkus, David W. Baarman, Kenneth E. Conrad, Scott A. Mollema |
2003-02-04 |
| 6491868 |
Point-of-use water treatment system |
Eric K. Bartkus, David W. Baarman, Kenneth E. Conrad, Terry L. Lautzenheiser, Scott A. Mollema |
2002-12-10 |
| 6451202 |
Point-of-use water treatment system |
Eric K. Bartkus, David W. Baarman, Kenneth E. Conrad, Terry L. Lautzenheiser, Greg Synder +1 more |
2002-09-17 |
| 6436299 |
Water treatment system with an inductively coupled ballast |
David W. Baarman, Dennis J. Denen, Terry L. Lautzenheiser, Ronald C. Markham, Scott A. Mollema |
2002-08-20 |
| 6368504 |
Carbon block water filter |
Karen J. VanderKooi, Roy M. Taylor, Kenneth E. Conrad |
2002-04-09 |