Inventor

Dennis J. Kool

Inventor

Kentwood, MI, US

Overview

18→

Patents

1988–2004

Patent span

Chemistry

Primary field (CPC C)

Patents· 18 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C02Fprimary

C02FTreatment of water, waste water, sewage, or sludge34%

B01DSeparation19%

A61LMethods or apparatus for sterilising materials or objects in general16%

G01FMeasuring volume, volume flow, mass flow or liquid level6%

LOC236%

Y02WClimate change mitigation technologies related to wastewater treatment or waste management6%

Y10TTechnical subjects covered by former us classification6%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers3%

E03CDomestic plumbing installations for fresh water or waste water3%

PatentTitleYear

6,773,587'Point-of-use water treatment system'2004 6,716,343'Point-of-use water treatment system'2004 6,533,930'Point-of-use water treatment system'2003 6,245,229'Point-of-use water treatment system'2001 D0414240'Water treatment system'1999 5,853,572'Home water purification system'1998 5,698,091'Home water purification system with filter end of life monitor'1997 5,693,226'Apparatus for demonstrating a residential point of use water treatment system'1997 D0380524'Water purifier'1997 5,536,395'Home water purification system with automatic disconnecting of radiant energy source'1996 5,393,419'Ultraviolet lamp assembly for water purification'1995 D0355700'Water purifier housing'1995 5,347,865'Measuring scoop with molded reusable fit clip'1994 5,344,558'Water filter cartridge'1994 D0339991'Measuring scoop'1993 D0331023'Measuring scoop'1992 5,128,034'Pressure vessel for housing a water filter'1992 D0297159'Combined water purifier and support bracket'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2001Patents assigned to AMWAY CORP (14)· patent assignee history

1988–2004Based in Kentwood, MI, US· patent location history

1997Patents assigned to KOOL DENNIS J (1)· patent assignee history

2003–2004Patents assigned to ACCESS BUSINESS GROUP INT LLC (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
AMWAY CORP	14	1988–2001
ACCESS BUSINESS GROUP INT LLC	3	2003–2004
KOOL DENNIS Jself	1	1997

Locations

Location	Patents	Span
Kentwood, MI, US	18	1988–2004