Inventor
KAUFMANN MICHAEL
DE64 patents
⚠️ This page may combine multiple inventors who share the name “KAUFMANN MICHAEL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MANN & HUMMEL GMBH
33 patentsUS9254457B2Feb 9, 2016
Air filter system, air filter element and method for exchanging an air filter element
MANN & HUMMEL GMBH25 citations94
US9358489B2Jun 7, 2016
Air filter system, air filter element and method for exchanging an air filter element
MANN & HUMMEL GMBH19 citations93
US10245541B2Apr 2, 2019
Air filter system, air filter element and method for exchanging an air filter element
MANN & HUMMEL GMBH14 citations86
US11311890B2Apr 26, 2022
Filter device
MANN & HUMMEL GMBH6 citations85
US10961957B2Mar 30, 2021
Filter and filter cartridge
MANN & HUMMEL GMBH4 citations84
US10337472B2Jul 2, 2019
Filter and filter cartridge
MANN & HUMMEL GMBH4 citations84
US10337471B2Jul 2, 2019
Filter and filter cartridge
MANN & HUMMEL GMBH9 citations84
US9587598B2Mar 7, 2017
Filter housing and filter assembly
MANN & HUMMEL GMBH8 citations84
US9511317B2Dec 6, 2016
Air filter system and air filter element for an air filter system
MANN & HUMMEL GMBH8 citations84
US9457308B2Oct 4, 2016
Filter element and filter system with a filter element
MANN & HUMMEL GMBH7 citations84
USD762834SAug 2, 2016
Air filter
MANN & HUMMEL GMBH15 citations84
US9457307B2Oct 4, 2016
Filter system with filter element
MANN & HUMMEL GMBH4 citations79
US10954899B2Mar 23, 2021
Filter and filter cartridge
MANN & HUMMEL GMBH1 citations73
US10865749B2Dec 15, 2020
Filter and filter cartridge
MANN & HUMMEL GMBH3 citations73
US10799823B2Oct 13, 2020
Housing main part of a filter housing, filter system, and pre-separator module of a filter system
MANN & HUMMEL GMBH3 citations73
US10159923B2Dec 25, 2018
Hollow filter element, grip device of a hollow filter element, and filter device with at least one hollow filter element
MANN & HUMMEL GMBH5 citations73
USD834166SNov 20, 2018
Filter housing
MANN & HUMMEL GMBH3 citations73
USD817468SMay 8, 2018
Filter housing
MANN & HUMMEL GMBH4 citations73
US9233333B2Jan 12, 2016
Filter element
MANN & HUMMEL GMBH3 citations73
US12330103B2Jun 17, 2025
Filter element, element frame of a filter element, filter bellows of a filter element, filter housing, and filter
MANN & HUMMEL GMBH0 citations63
US11719202B2Aug 8, 2023
Filter and filter cartridge
MANN & HUMMEL GMBH0 citations63
US11697084B2Jul 11, 2023
Filter element, element frame of a filter element, filter bellows of a filter element, filter housing, and filter
MANN & HUMMEL GMBH0 citations63
US11273402B2Mar 15, 2022
Filter element, element frame of a filter element, filter bellows of a filter element, filter housing, and filter
MANN & HUMMEL GMBH1 citations63
US11092118B2Aug 17, 2021
Filter housing and filter
MANN & HUMMEL GMBH1 citations63
US9314721B2Apr 19, 2016
Filter system with seal
MANN & HUMMEL GMBH2 citations63
US9233331B2Jan 12, 2016
Air filter element
MANN & HUMMEL GMBH1 citations63
US9212636B2Dec 15, 2015
Filter
MANN & HUMMEL GMBH2 citations63
US9108137B2Aug 18, 2015
Filter arrangement and method for producing a filter receptacle
MANN & HUMMEL GMBH3 citations63
US12345224B2Jul 1, 2025
Muffler and filter system
MANN & HUMMEL GMBH0 citations62
US11725615B2Aug 15, 2023
Secondary filter element and filter arrangement
MANN & HUMMEL GMBH0 citations62
US11311891B2Apr 26, 2022
Multi-cyclone separator of a multi-stage fluid filter for cleaning gaseous fluid and multi-stage fluid filter
MANN & HUMMEL GMBH0 citations62
US12292021B2May 6, 2025
Filter element and air cleaner assembly
MANN & HUMMEL GMBH0 citations61
US12576357B2Mar 17, 2026
Filter housing of a filter for a fluid and filter
MANN & HUMMEL GMBH0 citations52
KAUFMANN MICHAEL
6 patentsUS8466641B2Jun 18, 2013
Power tool having an electric brake
KAUFMANN MICHAEL15 citations80
US9205360B2Dec 8, 2015
Filter element and housing for a filter element
KAUFMANN MICHAEL6 citations73
US8985237B2Mar 24, 2015
Power screwdriver
KAUFMANN MICHAEL3 citations62
US8864865B2Oct 21, 2014
Air filter element, filter housing and filter arrangement
KAUFMANN MICHAEL3 citations62
US8466663B2Jun 18, 2013
Method and power supply system for preventing functional impairing transient noise within high frequency operated integrated circuits
KAUFMANN MICHAEL2 citations62
US9194725B2Nov 24, 2015
Mounting for a distance sensor
KAUFMANN MICHAEL2 citations60
BENTELER STEEL TUBE GMBH
2 patentsRUHLAND KLAUS-DIETER
1 patentMESSERSCHMITT BOELKOW BLOHM
1 patentACKERMANN STEFFEN
1 patentBITOP GES OPTIMIERUNG GMBH
1 patentIBM
1 patent(unassigned)
1 patentCATERPILLAR INC
1 patentHAINDL HANS
1 patentWABCO EUROPE BVBA
1 patentShowing the top 50 of 64 patents by PatentIndex Score.