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 1–25 of 73 patents

Patent #TitleCo-InventorsDate
12186689 Spin-on filter with external threads and methods Brian Tucker, Bradley S. Honermann, Gary H. Gift, Brent A. Gulsvig, Kent Mehlhop +1 more 2025-01-07
12168191 Spin-on filter with external threads and methods Brian Tucker, Bradley S. Honermann, Gary H. Gift, Brent A. Gulsvig, Kent Mehlhop +1 more 2024-12-17
11944925 Liquid filter arrangement; components; and, methods Brian Mandt, Brent A. Gulsvig 2024-04-02
11673082 Liquid filter arrangements and methods Enrico Greco, Fabrizo Buratto, Mauro Cantoni, John F. Connelly 2023-06-13
11491423 Filter cartridge for liquid filtration; assembly; and, methods 2022-11-08
11400394 Spin-on filter with external threads and methods Brian Tucker, Bradley S. Honermann, Gary H. Gift, Brent A. Gulsvig, Kent Mehlhop +1 more 2022-08-02
11344829 Spin-on filter with external threads and methods Brian Tucker, Bradley S. Honermann, Gary H. Gift, Brent A. Gulsvig, Kent Mehlhop +1 more 2022-05-31
11207621 Liquid filter arrangement; components; and, methods Brian Mandt, Brent A. Gulsvig 2021-12-28
10758847 Filter cartridge for liquid filteration; assembly; and, methods 2020-09-01
10729997 Spin-on filter with external threads and methods Brian Tucker, Bradley S. Honermann, Gary H. Gift, Brent A. Gulsvig, Kent Mehlhop +1 more 2020-08-04
10702814 Top load liquid filter assembly, system, and methods Bradley S. Honermann, Kathryn A. Legault, Mark S. Emery, Kurt B. Joscher, Jason Paul Johnson 2020-07-07
10695700 Spin-on filter with external threads and methods Brian Tucker, Bradley S. Honermann, Gary H. Gift, Brent A. Gulsvig, Kent Mehlhop +1 more 2020-06-30
10646803 Liquid filter arrangement and methods Enrico Greco, Fabrizo Buratto, Mauro Cantoni, John F. Connelly 2020-05-12
10493386 Liquid filter arrangement; components; and, methods Brian Mandt, Brent A. Gulsvig 2019-12-03
10220339 Spin-on filter with external threads and methods Brian Tucker, Bradley S. Honermann, Gary H. Gift, Brent A. Gulsvig, Kent Mehlhop +1 more 2019-03-05
10179303 Top load liquid filter assembly, system, and methods Bradley S. Honermann, Kathryn A. Legault, Mark S. Emery, Kurt B. Joscher, Jason Paul Johnson 2019-01-15
10092868 Liquid filter assembly, system and methods Bradley S. Honermann 2018-10-09
10046256 Spin-on filter with external threads and methods Brian Tucker, Bradley S. Honermann, Gary H. Gift, Brent A. Gulsvig, Kent Mehlhop +1 more 2018-08-14
10010817 Top load liquid filter assembly, system, and methods Bradley S. Honermann, Kathryn A. Legault, Mark S. Emery, Kurt B. Joscher, Jason Paul Johnson 2018-07-03
9895632 Filter cartridges for liquid filtration; assembly; and, methods 2018-02-20
9776116 Liquid filter, assembly, system, and methods Bradley S. Honermann, Kathryn A. Legault, Mark S. Emery 2017-10-03
9751033 Liquid filter arrangement; components; and, methods Brian Mandt, Brent A. Gulsvig 2017-09-05
9555347 Spin-on filter with external threads and methods Brian Tucker, Bradley S. Honermann, Gary H. Gift, Brent A. Gulsvig, Kent Mehlhop +1 more 2017-01-31
9545587 Spin-on filter with external threads and methods Brian Tucker, Bradley S. Honermann, Gary H. Gift, Brent A. Gulsvig, Kent Mehlhop +1 more 2017-01-17
9511314 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 2016-12-06