Robert R. Levac

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Burnsville, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Pulse ring assembly for air cleaner systems and methods thereof
- Patent number 12,239,934
- Issue date Mar 4, 2025
- Donaldson Company, Inc.
- Thomas R. Olson
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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
Pulse air cleaner system and methods with controlled scavenge
- Patent number 11,724,227
- Issue date Aug 15, 2023
- Donaldson Company, Inc.
- Thomas R. Olson
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
HIGH EFFICIENCY FILTER MEDIA, MEDIA PACKS, AND FILTER ELEMENTS
- Publication number 20240390829
- Publication date Nov 28, 2024
- Donaldson Company, Inc.
- Rakesh K. Yadav
- 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
HIGH EFFICIENCY FILTER MEDIA
- Publication number 20230124690
- Publication date Apr 20, 2023
- Donaldson Company, Inc.
- Rakesh K. Yadav
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PULSE AIR CLEANER SYSTEM AND METHODS WITH CONTROLLED SCAVENGE
- Publication number 20200391150
- Publication date Dec 17, 2020
- Donaldson Company, Inc.
- Thomas R. Olson
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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