Johan DeWitt

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Hamme-Mille, BE

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Patents Grantslast 30 patents

Information Patent Grant
Air cleaner arrangements; components; and, methods
- Patent number 8,545,588
- Issue date Oct 1, 2013
- Donaldson Company, Inc.
- Douglas Lee Iddings
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Air cleaner arrangements; components; and, methods
- Patent number 8,038,756
- Issue date Oct 18, 2011
- Donaldson Company, Inc.
- Douglas Lee Iddings
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
AIR CLEANER ARRANGEMENTS; COMPONENTS; AND METHODS
- Publication number 20160279557
- Publication date Sep 29, 2016
- Donaldson Company, Inc.
- Douglas Iddings
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
AIR CLEANER ARRANGEMENTS; COMPONENTS; AND, METHODS
- Publication number 20140096495
- Publication date Apr 10, 2014
- Donaldson Company, Inc.
- Douglas Iddings
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Air cleaner arrangements; components; and, methods
- Publication number 20090100813
- Publication date Apr 23, 2009
- Donaldson Company, Inc.
- Douglas Lee Iddings
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL