KF

Karl Fritze

3M: 13 patents #1,195 of 11,543Top 15%
HY Hydra-Flex: 8 patents #2 of 10Top 20%
PI Pentapure Incorporated: 6 patents #1 of 4Top 25%
CI Cuno Incorporated: 3 patents #28 of 92Top 35%
SH Sonny'S Hfi Holdings: 2 patents #7 of 15Top 50%
PS Paragon Water Systems: 1 patents #6 of 11Top 55%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Hastings, MN: #3 of 173 inventorsTop 2%
🗺 Minnesota: #907 of 52,454 inventorsTop 2%
Overall (All Time): #55,625 of 4,157,543Top 2%
49
Patents All Time

Issued Patents All Time

Showing 26–49 of 49 patents

Patent #TitleCo-InventorsDate
7799220 Hot disconnect replaceable water filter assembly 2010-09-21
7736504 Crossflow filtration system with quick dry change elements Nathan E. Marks 2010-06-15
7708148 Freeze resistant water filter 2010-05-04
7658212 Liquid dispenser assembly for use with an appliance William Meuleners 2010-02-09
7638042 System for monitoring the performance of fluid treatment cartridges Robert Astle, Hemang Patel, Mahesh Z. Patel, Thomas Holler 2009-12-29
7481928 Hot disconnect replaceable water filter assembly 2009-01-27
7147772 Low spillage replaceable water filter assembly 2006-12-12
7067054 Water filter assembly for use in an appliance 2006-06-27
6953526 Filter assembly 2005-10-11
6857670 Plastic tube joint 2005-02-22
6843512 Tubing connector Brian D. Gale 2005-01-18
6649056 Filter assembly 2003-11-18
6632355 Low spillage replaceable water filter assembly 2003-10-14
D472604 Filter manifold connector 2003-04-01
D472299 Filter cartridge connector 2003-03-25
6481602 Dispenser for frangible frozen food articles Kirby Juhl Kuhlemeier, Bruce H. Koerner, Scott Harrison, Donald J. Hammer 2002-11-19
6426001 Cartridge adapter 2002-07-30
6367777 Electric version fry dispenser Kirby Juhl Kuhlemeier, Ferdinand J. Herpers, Bruce H. Koerner 2002-04-09
6360764 Cartridge adapter 2002-03-26
6305573 Dispenser for frangible frozen food articles Kirby Juhl Kuhlemeier, Bruce H. Koerner, Scott Harrison, Donald J. Hammer 2001-10-23
6131622 Single stage area bulk food dispenser method and apparatus Bruce H. Koerner, Ferdinand J. Herpers, Kirby Juhl Kuhlemeier 2000-10-17
6125894 Electric version fry dispenser Kirby Juhl Kuhlemeier, Ferdinand J. Herpers, Bruce H. Koerner 2000-10-03
D402853 Single stage bulk food dispenser Bruce H. Koerner, Ferdinand J. Herpers, Kirby Juhl Kuhlemeier 1998-12-22
5505233 Mobile and flushable container filling unit Terence P. Roberts 1996-04-09