Yehya A. Elsayed

Person

Bloomington, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Liquid filtration media, filter elements and methods
- Patent number 12,350,613
- Issue date Jul 8, 2025
- Donaldson Company, Inc.
- Derek O. Jones
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Enclosure ventilation filter
- Patent number 12,233,001
- Issue date Feb 25, 2025
- Donaldson Company, Inc.
- Lloyd G. Keleny
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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
Liquid filtration media, filter elements and methods
- Patent number 11,565,206
- Issue date Jan 31, 2023
- Donaldson Company, Inc.
- Derek O. Jones
- 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
Liquid filtration media, filter elements and methods
- Patent number 10,226,723
- Issue date Mar 12, 2019
- Donaldson Company, Inc.
- Derek O. Jones
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Liquid filtration media, filter elements and methods
- Patent number 9,056,268
- Issue date Jun 16, 2015
- Donaldson Company, Inc.
- Derek O. Jones
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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 Applicationslast 30 patents

Information Patent Application
VENT ASSEMBLY WITH ALTERNATING MEDIA SECTIONS
- Publication number 20250224027
- Publication date Jul 10, 2025
- Donaldson Company, Inc.
- Gregory S. Tronnes
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
ENCLOSURE VENTILATION FILTER
- Publication number 20250161097
- Publication date May 22, 2025
- Donaldson Company, Inc.
- Lloyd G. Keleny
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PTFE AND ACTIVE PARTICLE COMPOSITIONS
- Publication number 20250153154
- Publication date May 15, 2025
- Donaldson Company, Inc.
- Shane Lawson
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
EXPANDED PTFE COMPOSITIONS AND METHODS OF FORMING
- Publication number 20250153155
- Publication date May 15, 2025
- Donaldson Company, Inc.
- Shane Lawson
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
POROUS NON-WOVEN PTFE COMPOSITIONS AND METHODS OF FORMING
- Publication number 20250154700
- Publication date May 15, 2025
- Donaldson Company, Inc.
- Shane Lawson
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
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
PTFE AND ACTIVE PARTICLE COMPOSITIONS
- Publication number 20240181433
- Publication date Jun 6, 2024
- Donaldson Company, Inc.
- Shane Lawson
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
POROUS SUBSTRATES COMPRISING PTFE COMPOSITIONS
- Publication number 20240181439
- Publication date Jun 6, 2024
- Donaldson Company, Inc.
- Shane Lawson
- 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
LIQUID FILTRATION MEDIA, FILTER ELEMENTS AND METHODS
- Publication number 20230226475
- Publication date Jul 20, 2023
- Donaldson Company, Inc.
- Derek O. Jones
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
FLUID FILTRATION APPARATUSES, SYSTEMS, AND METHODS
- Publication number 20210354059
- Publication date Nov 18, 2021
- Donaldson Company, Inc.
- Matthew P. Goertz
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
FILTER ELEMENT CONFIGURATIONS
- Publication number 20210016214
- Publication date Jan 21, 2021
- Donaldson Company, Inc.
- Aflal Rahmathullah
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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
LIQUID FILTRATION MEDIA, FILTER ELEMENTS AND METHODS
- Publication number 20190270040
- Publication date Sep 5, 2019
- Donaldson Company, Inc.
- Derek O. Jones
- 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
CUSTOM WATER ADSORPTION MATERIAL
- Publication number 20170341057
- Publication date Nov 30, 2017
- Donaldson Company, Inc.
- Yehya A. Elsayed
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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
LIQUID FILTRATION MEDIA, FILTER ELEMENTS AND METHODS
- Publication number 20160038865
- Publication date Feb 11, 2016
- Donaldson Company, Inc.
- Derek O. Jones
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
CUSTOM WATER ADSORPTION MATERIAL
- Publication number 20110315922
- Publication date Dec 29, 2011
- DONALDSON COMPANY INC.
- Yehya A. Elsayed
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
LIQUID FILTRATION MEDIA, FILTER ELEMENTS AND METHODS
- Publication number 20110198280
- Publication date Aug 18, 2011
- Donaldson Company, Inc.
- Derek O. Jones
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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

Yehya A. Elsayed

Person

Patents Grantslast 30 patents

Liquid filtration media, filter elements and methods

Enclosure ventilation filter

Enclosure ventilation filter and assembly method

Liquid filtration media, filter elements and methods

Enclosure ventilation filter and assembly method

Enclosure ventilation filter and assembly method

Liquid filtration media, filter elements and methods

Liquid filtration media, filter elements and methods

Enclosure ventilation filter and assembly method

Patents Applicationslast 30 patents

VENT ASSEMBLY WITH ALTERNATING MEDIA SECTIONS

ENCLOSURE VENTILATION FILTER

PTFE AND ACTIVE PARTICLE COMPOSITIONS

EXPANDED PTFE COMPOSITIONS AND METHODS OF FORMING

POROUS NON-WOVEN PTFE COMPOSITIONS AND METHODS OF FORMING

ENCLOSURE VENTILATION FILTER

PTFE AND ACTIVE PARTICLE COMPOSITIONS

POROUS SUBSTRATES COMPRISING PTFE COMPOSITIONS

ENCLOSURE VENTILATION FILTER AND ASSEMBLY METHOD

LIQUID FILTRATION MEDIA, FILTER ELEMENTS AND METHODS

FLUID FILTRATION APPARATUSES, SYSTEMS, AND METHODS

FILTER ELEMENT CONFIGURATIONS

ENCLOSURE VENTILATION FILTER AND ASSEMBLY METHOD

LIQUID FILTRATION MEDIA, FILTER ELEMENTS AND METHODS

ENCLOSURE VENTILATION FILTER AND ASSEMBLY METHOD

CUSTOM WATER ADSORPTION MATERIAL

ENCLOSURE VENTILATION FILTER AND ASSEMBLY METHOD

LIQUID FILTRATION MEDIA, FILTER ELEMENTS AND METHODS

CUSTOM WATER ADSORPTION MATERIAL

LIQUID FILTRATION MEDIA, FILTER ELEMENTS AND METHODS

ENCLOSURE VENTILATION FILTER AND ASSEMBLY METHOD