Marcel Holzwarth

Person

Fayetteville, NC, US

People

Patents Grantslast 30 patents

Information Patent Grant
Hollow filter element, in particular for gas filtration
- Patent number 11,338,237
- Issue date May 24, 2022
- MANN+HUMMEL GMBH
- Christoph Wittmers
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Filter element for an engine air filter assembly having a nonwoven...
- Patent number 11,280,299
- Issue date Mar 22, 2022
- MANN+HUMMEL GMBH
- Marcel Holzwarth
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filter element for an engine air filter assembly having a nonwoven...
- Patent number 11,149,699
- Issue date Oct 19, 2021
- MANN+HUMMEL GMBH
- Marcel Holzwarth
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Filter element, in particular for gas filtration
- Patent number 10,898,842
- Issue date Jan 26, 2021
- MANN+HUMMEL GMBH
- Torsten Fritzsching
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Hollow filter element, filter housing and filter
- Patent number 10,837,414
- Issue date Nov 17, 2020
- MANN+HUMMEL GMBH
- Marcel Holzwarth
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Annular filter element, in particular for gas filtration
- Patent number 10,773,201
- Issue date Sep 15, 2020
- MANN+HUMMEL GMBH
- Andreas Franz
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filter Element, in Particular for Gas Filtration, and filter device
- Patent number 10,744,444
- Issue date Aug 18, 2020
- MANN+HUMMEL GMBH
- Torsten Fritzsching
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
FILTER ELEMENT FOR AN ENGINE AIR FILTER ASSEMBLY HAVING A NONWOVEN...
- Publication number 20200173404
- Publication date Jun 4, 2020
- Mann + Hummel GmbH
- Marcel Holzwarth
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
FILTER ELEMENT FOR AN ENGINE AIR FILTER ASSEMBLY HAVING A NONWOVEN...
- Publication number 20200173403
- Publication date Jun 4, 2020
- Mann + Hummel GmbH
- Marcel Holzwarth
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Annular Filter Element, in Particular for Gas Filtration
- Publication number 20190070548
- Publication date Mar 7, 2019
- Mann + Hummel GmbH
- Andreas Franz
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Filter Element, in Particular for Gas Filtration, and Filter Device
- Publication number 20190070549
- Publication date Mar 7, 2019
- Mann + Hummel GmbH
- Torsten Fritzsching
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Hollow Filter Element, in Particular for Gas Filtration
- Publication number 20190060816
- Publication date Feb 28, 2019
- Mann + Hummel GmbH
- Christoph Wittmers
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Filter Element, in Particular for Gas Filtration
- Publication number 20180050296
- Publication date Feb 22, 2018
- Mann + Hummel GmbH
- Torsten Fritzsching
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
HOLLOW FILTER ELEMENT, FILTER HOUSING AND FILTER
- Publication number 20160123282
- Publication date May 5, 2016
- Mann + Hummel GmbH
- Marcel Holzwarth
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Marcel Holzwarth

Person

Patents Grantslast 30 patents

Hollow filter element, in particular for gas filtration

Filter element for an engine air filter assembly having a nonwoven...

Filter element for an engine air filter assembly having a nonwoven...

Filter element, in particular for gas filtration

Hollow filter element, filter housing and filter

Annular filter element, in particular for gas filtration

Filter Element, in Particular for Gas Filtration, and filter device

Patents Applicationslast 30 patents

FILTER ELEMENT FOR AN ENGINE AIR FILTER ASSEMBLY HAVING A NONWOVEN...

FILTER ELEMENT FOR AN ENGINE AIR FILTER ASSEMBLY HAVING A NONWOVEN...

Annular Filter Element, in Particular for Gas Filtration

Filter Element, in Particular for Gas Filtration, and Filter Device

Hollow Filter Element, in Particular for Gas Filtration

Filter Element, in Particular for Gas Filtration

HOLLOW FILTER ELEMENT, FILTER HOUSING AND FILTER