JH

John R. Hacker

DC Donaldson Company: 70 patents #6 of 695Top 1%
Caterpillar: 14 patents #341 of 8,398Top 5%
AS Advanced Filtration Systems: 12 patents #5 of 11Top 50%
TT The Toro: 1 patents #307 of 552Top 60%
WT Wagner Spray Tech: 1 patents #97 of 165Top 60%
📍 Minneapolis, MN: #20 of 6,114 inventorsTop 1%
🗺 Minnesota: #423 of 52,454 inventorsTop 1%
Overall (All Time): #26,607 of 4,157,543Top 1%
73
Patents All Time

Issued Patents All Time

Showing 26–50 of 73 patents

Patent #TitleCo-InventorsDate
9199187 Liquid filter, assembly, system, and methods Bradley S. Honermann, Kathryn A. Legault, Mark S. Emery 2015-12-01
9132367 Liquid filter assembly, system and methods Bradley S. Honermann 2015-09-15
9120041 Liquid filter arrangement and methods Enrico Greco, Fabrizo Buratto, Mauro Cantoni, John F. Connelly 2015-09-01
9089795 Fluid filter system Christopher J. Salvador, Randall W. Heibenthal, Dennis M. Deedrich, David B. Harder, Richard J. Eisenmenger 2015-07-28
8999163 Top load liquid filter assembly, system and methods Bradley S. Honermann, Kathryn A. Legault, Mark S. Emery, Kurt B. Joscher, Jason Paul Johnson 2015-04-07
8877053 Liquid filter arrangement and methods 2014-11-04
8821724 Liquid filter arrangement; components; and, methods Brian Mandt, Brent A. Gulsvig 2014-09-02
8540080 Fluid filter system Christopher J. Salvador, Randall W. Heibenthal, Dennis M. Deedrich, David B. Harder, Richard J. Eisenmenger 2013-09-24
8535530 Liquid filter arrangement; components; and, methods Brian Mandt, Brent A. Gulsvig 2013-09-17
8501003 Canister filter system with drain that cooperates with filter element Mark T. Allott, David Ofori-Amoah, Christopher J. Salvador, Randall W. Heibenthal, Dennis M. Deedrich +2 more 2013-08-06
8453848 Filter cartridge for liquid filtration; assembly; and, methods 2013-06-04
8440078 Liquid filter arrangements and methods 2013-05-14
8440079 Liquid filter arrangements and methods Enrico Greco, Fabrizio Buratto, Mauro Cantoni, John F. Connelly 2013-05-14
8419938 Fluid filter system Jeffrey R. Ries, Christopher J. Salvador, Randall W. Heibenthal, Dennis M. Deedrich, David B. Harder +1 more 2013-04-16
8293103 Spin-on filter assembly and methods Philip Edward Johnson, Claudio Formica, Enrico Greco, Michael L. Brown 2012-10-23
8272516 Fluid filter system Christopher J. Salvador, Randall W. Heibenthal, Dennis M. Deedrich, David B. Harder, Richard J. Eisenmenger 2012-09-25
8231793 Combination filter arrangement and method Bradley S. Honermann, Mark S. Emery 2012-07-31
8167142 Filter cartridge for liquid filtration; assembly; and, methods 2012-05-01
D656577 Fuel filter Christopher J. Salvador, Randall W. Heibenthal, Dennis M. Deedrich, David B. Harder, Richard J. Eisenmenger 2012-03-27
D655781 Fuel filter Christopher J. Salvador, Randall W. Heibenthal, Dennis M. Deedrich, David B. Harder, Richard J. Eisenmenger 2012-03-13
D655376 Fuel filter Christopher J. Salvador, Randall W. Heibenthal, Dennis M. Deedrich, David B. Harder, Richard J. Eisenmenger 2012-03-06
8123937 Liquid filter arrangement and methods 2012-02-28
D648822 Fuel filter Christopher J. Salvador, Randall W. Heibenthal, Dennis M. Deedrich, David B. Harder, Richard J. Eisenmenger 2011-11-15
D646750 Fuel filter Christopher J. Salvador, Randall W. Heibenthal, Dennis M. Deedrich, David B. Harder, Richard J. Eisenmenger 2011-10-11
D646751 Filter Christopher J. Salvador, Randall W. Heibenthal, Dennis M. Deedrich, David B. Harder, Richard J. Eisenmenger 2011-10-11