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David W. Mulder
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Bloomington, MN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Enclosure ventilation filter and assembly method
Patent number
11,925,573
Issue date
Mar 12, 2024
Donaldson Company, Inc.
Lloyd G. Keleny
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Pulse ring assembly for air cleaner systems and methods thereof
Patent number
11,731,072
Issue date
Aug 22, 2023
Donaldson Company, Inc.
Thomas R. Olson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Enclosure ventilation filter and assembly method
Patent number
11,534,324
Issue date
Dec 27, 2022
Donaldson Company, Inc.
Lloyd G. Keleny
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Enclosure ventilation filter and assembly method
Patent number
10,646,370
Issue date
May 12, 2020
Donaldson Company, Inc.
Lloyd G. Keleny
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Enclosure ventilation filter and assembly method
Patent number
8,979,811
Issue date
Mar 17, 2015
Donaldson Company, Inc.
Lloyd G. Keleny
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
ENCLOSURE VENTILATION FILTER
Publication number
20240293251
Publication date
Sep 5, 2024
Donaldson Company, Inc.
Lloyd G. Keleny
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PULSE RING ASSEMBLY FOR AIR CLEANER SYSTEMS AND METHODS THEREOF
Publication number
20230372859
Publication date
Nov 23, 2023
Donaldson Company, Inc.
Thomas R. Olson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
ENCLOSURE VENTILATION FILTER AND ASSEMBLY METHOD
Publication number
20230225896
Publication date
Jul 20, 2023
Donaldson Company, Inc.
Lloyd G. Keleny
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
FILTER ELEMENTS AND SYSTEMS WITH DATA CONVEYANCE FEATURES
Publication number
20210318678
Publication date
Oct 14, 2021
Donaldson Company, Inc.
Daniel E. Adamek
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
ENCLOSURE VENTILATION FILTER AND ASSEMBLY METHOD
Publication number
20200405522
Publication date
Dec 31, 2020
Donaldson Company, Inc.
Lloyd G. Keleny
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
PULSE RING ASSEMBLY FOR AIR CLEANER SYSTEMS AND METHODS THEREOF
Publication number
20200338488
Publication date
Oct 29, 2020
Donaldson Company, Inc.
Thomas R. Olson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
ENCLOSURE VENTILATION FILTER AND ASSEMBLY METHOD
Publication number
20180250155
Publication date
Sep 6, 2018
Donaldson Company, Inc.
Lloyd G. Keleny
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
ENCLOSURE VENTILATION FILTER AND ASSEMBLY METHOD
Publication number
20160235581
Publication date
Aug 18, 2016
Donaldson Company, Inc.
Lloyd G. Keleny
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
ENCLOSURE VENTILATION FILTER AND ASSEMBLY METHOD
Publication number
20090247970
Publication date
Oct 1, 2009
Donaldson Company, Inc.
Lloyd G. Keleny
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Liquid filter arrangement with secondary filter and bypass flow
Publication number
20050103701
Publication date
May 19, 2005
Donaldson Company, Inc.
Keith Allan Bechtum
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Fluid filter with pressure relief valve
Publication number
20040173511
Publication date
Sep 9, 2004
David Wayne Mulder
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Fluid filter with pressure relief valve
Publication number
20030178348
Publication date
Sep 25, 2003
David Wayne Mulder
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL