Dennis J. Kool — 18 Patents at Amway

Dennis J. Kool has been granted 18 US patents while listed as an inventor at Amway. The first was granted in 1988 and the most recent in August 2004. Dennis J. Kool ranks #245,716 of 4,157,543 US inventors in our database (top 5.9%). Patent records list Dennis J. Kool in Kentwood, MI, US.

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6773587	Point-of-use water treatment system	James A. Woodard, Jr., Rick G. Good	2004-08-10
6716343	Point-of-use water treatment system	Roy M. Taylor, James A. Woodard, Jr.	2004-04-06
6533930	Point-of-use water treatment system	Roy M. Taylor, James A. Woodard, Jr., Dale Aberegg, Greg Snyder, Dan Goetz	2003-03-18
6245229	Point-of-use water treatment system	Roy M. Taylor, James A. Woodard, Jr., Dale Aberegg, Greg Snyder, Dan Goetz	2001-06-12
D414240	Water treatment system	Matthew H. Hess, John M. Stark, Donald J. Staufenberg, Dale Aberegg, Brian S. Bacon	1999-09-21
5853572	Home water purification system	Roy W. Kuennen, Robin M. Dykhouse, Ronald C. Markham, Bradley J. Pippel, Dennis E. Kidd +1 more	1998-12-29	$8,165,000
5698091	Home water purification system with filter end of life monitor	Roy W. Kuennen, Robin M. Dykhouse, Ronald C. Markham, Bradley J. Pippel, Dennis E. Kidd +1 more	1997-12-16	$9,385,000
5693226	Apparatus for demonstrating a residential point of use water treatment system	—	1997-12-02	$9,969,000
D380524	Water purifier	—	1997-07-01
5536395	Home water purification system with automatic disconnecting of radiant energy source	Roy W. Kuennen, Robin M. Dykhouse, Ronald C. Markham, Bradley J. Pippel, Dennis E. Kidd +1 more	1996-07-16	$13,209,000
5393419	Ultraviolet lamp assembly for water purification	Merlin G. Tiede, Kenneth E. Lew	1995-02-28	$18,931,000
D355700	Water purifier housing	—	1995-02-21
5347865	Measuring scoop with molded reusable fit clip	Patrick E. Mulry, Mike B. Tyberghein, Donald S. Gura, Jeffrey D. Plyler	1994-09-20	$20,989,000
5344558	Water filter cartridge	—	1994-09-06	$21,896,000
D339991	Measuring scoop	Patrick E. Mulry, Mike B. Tyberghein, Donald S. Gura, Jeffrey D. Plyler	1993-10-05
D331023	Measuring scoop	Patrick E. Mulry	1992-11-17
5128034	Pressure vessel for housing a water filter	—	1992-07-07
D297159	Combined water purifier and support bracket	—	1988-08-09

Dennis J. Kool — 18 Patents

Issued Patents All Time

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