Inventor
PFLUEGER FRANK
DE45 patents
⚠️ This page may combine multiple inventors who share the name “PFLUEGER FRANK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MANN & HUMMEL GMBH
39 patentsUS7874431B2Jan 25, 2011
Filter element for cleaning a fluid
MANN & HUMMEL GMBH28 citations88
US10384158B2Aug 20, 2019
Filter element having filter bellows
MANN & HUMMEL GMBH9 citations84
US10316804B2Jun 11, 2019
Filter element with at least one guide crosspiece, filter with a filter element and filter housing of a filter
MANN & HUMMEL GMBH9 citations84
US9638147B2May 2, 2017
Filter element with at least one guide crosspiece, filter with a filter element and filter housing of a filter
MANN & HUMMEL GMBH9 citations84
US9289710B2Mar 22, 2016
Filter element and air filter
MANN & HUMMEL GMBH12 citations84
US11701602B2Jul 18, 2023
Treatment device for treating fluids, in particular liquid fluids, and treatment element of treatment device
MANN & HUMMEL GMBH2 citations73
US11027227B2Jun 8, 2021
Treatment device for treating fluids, in particular liquid fluids, and treatment element of treatment device
MANN & HUMMEL GMBH3 citations73
US10702812B2Jul 7, 2020
Filter housing with locking form-fit elements and spring loading a filter element in the housing
MANN & HUMMEL GMBH3 citations73
US10399010B2Sep 3, 2019
Treatment device for treating fluids, in particular liquid fluids, and treatment element of treatment device
MANN & HUMMEL GMBH4 citations73
US10399012B2Sep 3, 2019
Treatment device for treating fluids, in particular liquid fluids, and treatment element of treatment device
MANN & HUMMEL GMBH4 citations73
US9759170B2Sep 12, 2017
Filter element, filter with a filter element and a filter housing of a filter
MANN & HUMMEL GMBH2 citations73
US9687768B2Jun 27, 2017
Filter device
MANN & HUMMEL GMBH2 citations73
US11161064B2Nov 2, 2021
Removal system and removal aid for a separating element
MANN & HUMMEL GMBH3 citations72
US10252193B2Apr 9, 2019
Replaceable filter of a filter device, and filter device
MANN & HUMMEL GMBH4 citations72
US10737201B2Aug 11, 2020
Filter system and filter element
MANN & HUMMEL GMBH3 citations70
US9914085B2Mar 13, 2018
Filter element and filter system
MANN & HUMMEL GMBH3 citations69
US12318714B2Jun 3, 2025
Removal system including removal aid and separating element
MANN & HUMMEL GMBH0 citations62
US12064717B2Aug 20, 2024
Treatment device for treating fluids, in particular liquid fluids, and treatment element of treatment device
MANN & HUMMEL GMBH0 citations62
US10220334B2Mar 5, 2019
Filter element and method for producing a filter element
MANN & HUMMEL GMBH1 citations62
US10279298B2May 7, 2019
Plate-type filter element for gas filtration
MANN & HUMMEL GMBH1 citations61
US10773193B2Sep 15, 2020
Filter element having projecting bayonet-type protrusion
MANN & HUMMEL GMBH1 citations59
US11794130B2Oct 24, 2023
Method for producing a water separator, and water separator
MANN & HUMMEL GMBH0 citations56
US9409104B2Aug 9, 2016
Filter element and support body for such a filter element
MANN & HUMMEL GMBH2 citations55
US10898833B2Jan 26, 2021
Filter device, in particular liquid filter
MANN & HUMMEL GMBH0 citations52
US10233876B2Mar 19, 2019
Filter element, in particular, for gas filtration
MANN & HUMMEL GMBH0 citations52
US10184434B2Jan 22, 2019
Filter device, in particular for gas filtration
MANN & HUMMEL GMBH0 citations52
USRE46593EOct 31, 2017
Filter element especially for filtering liquids or gases
MANN & HUMMEL GMBH0 citations52
US9284925B2Mar 15, 2016
Flat filter element of a filter, filter and support device of a filter
MANN & HUMMEL GMBH1 citations52
US10464007B2Nov 5, 2019
Filter cartridge for a filter apparatus
MANN & HUMMEL GMBH0 citations51
US10071330B2Sep 11, 2018
Filter element, in particular for gas filtration
MANN & HUMMEL GMBH0 citations51
US10179302B2Jan 15, 2019
Filter system comprising coupling device
MANN & HUMMEL GMBH0 citations50
US9861924B2Jan 9, 2018
Filter element and filter system
MANN & HUMMEL GMBH1 citations48
US12390750B2Aug 19, 2025
Filter device having a filter element
MANN & HUMMEL GMBH0 citations43
US10610810B2Apr 7, 2020
Filter device, in particular liquid filter
MANN & HUMMEL GMBH0 citations42
US10525396B2Jan 7, 2020
Filter element and filter assembly
MANN & HUMMEL GMBH0 citations42
US10010818B2Jul 3, 2018
Filter element
MANN & HUMMEL GMBH0 citations42
US10808660B2Oct 20, 2020
Water separation element comprising a support piece
MANN & HUMMEL GMBH0 citations40
US10300418B2May 28, 2019
Filter insert for a filter device
MANN & HUMMEL GMBH0 citations40
US10343091B2Jul 9, 2019
Filter element, filter, and filter system with return line bypass
MANN & HUMMEL GMBH0 citations35