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Patents Grants
last 30 patents
Information
Patent Grant
Filter media comprising a pre-filter layer
Patent number
12,274,968
Issue date
Apr 15, 2025
Hollingsworth & Vose Company
Sudhakar Jaganathan
A41 - WEARING APPAREL
Information
Patent Grant
Filter media with irregular structure and/or reversibly stretchable...
Patent number
12,053,728
Issue date
Aug 6, 2024
Hollingsworth & Vose Company
Bruce Smith
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filter media with irregular structure
Patent number
12,036,496
Issue date
Jul 16, 2024
Hollingsworth & Vose Company
Bruce Smith
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filter media comprising a pre-filter layer
Patent number
12,011,686
Issue date
Jun 18, 2024
Hollingsworth & Vose Company
Sudhakar Jaganathan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filter media including flame retardant fibers
Patent number
11,738,295
Issue date
Aug 29, 2023
Hollingsworth & Vose Company
Xiaodan Zhang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filter media comprising a pre-filter layer
Patent number
11,684,885
Issue date
Jun 27, 2023
Hollingsworth & Vose Company
Sudhakar Jaganathan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filter media with irregular structure
Patent number
11,433,332
Issue date
Sep 6, 2022
Hollingsworth & Vose Company
Bruce Smith
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filter media with irregular structure and/or reversibly stretchable...
Patent number
11,420,143
Issue date
Aug 23, 2022
Hollingsworth & Vose Company
Bruce Smith
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filter media comprising a pre-filter layer
Patent number
11,167,232
Issue date
Nov 9, 2021
Hollingsworth & Vose Company
Sudhakar Jaganathan
A41 - WEARING APPAREL
Information
Patent Grant
Filter media including a filtration layer comprising synthetic fibers
Patent number
11,123,668
Issue date
Sep 21, 2021
Hollingsworth & Vose Company
Nagendra Anantharamaiah
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filter media including flame retardant fibers
Patent number
11,014,030
Issue date
May 25, 2021
Hollingsworth & Vose Company
Xiaodan Zhang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filter media comprising a pre-filter layer
Patent number
10,343,095
Issue date
Jul 9, 2019
Hollingsworth & Vose Company
Sudhakar Jaganathan
A62 - LIFE-SAVING FIRE-FIGHTING
Information
Patent Grant
Filter media including a filtration layer comprising synthetic fibers
Patent number
10,252,200
Issue date
Apr 9, 2019
Hollingsworth & Vose Company
Nagendra Anantharamaiah
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
FILTER MEDIA COMPRISING A PRE-FILTER LAYER
Publication number
20250161859
Publication date
May 22, 2025
Hollingsworth & Vose Company
Sudhakar Jaganathan
A41 - WEARING APPAREL
Information
Patent Application
FILTER MEDIA INCLUDING A WAVED FILTRATION LAYER HAVING A GRADIENT
Publication number
20250099888
Publication date
Mar 27, 2025
Hollingsworth & Vose Company
David T. Healey
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER MEDIA WITH IRREGULAR STRUCTURE AND/OR REVERSIBLY STRETCHABLE...
Publication number
20240424434
Publication date
Dec 26, 2024
Hollingsworth & Vose Company
Bruce Smith
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER MEDIA COMPRISING A PRE-FILTER LAYER
Publication number
20240375034
Publication date
Nov 14, 2024
Hollingsworth & Vose Company
Sudhakar Jaganathan
A41 - WEARING APPAREL
Information
Patent Application
FILTER MEDIA COMPRISING A PRE-FILTER LAYER
Publication number
20240042367
Publication date
Feb 8, 2024
Hollingsworth & Vose Company
Sudhakar Jaganathan
A62 - LIFE-SAVING FIRE-FIGHTING
Information
Patent Application
ARTICLES COMPRISING FILTER MEDIA WITH IRREGULAR STRUCTURE AND/OR RE...
Publication number
20230415081
Publication date
Dec 28, 2023
Hollingsworth & Vose Company
Bruce Smith
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER MEDIA WITH IRREGULAR STRUCTURE AND/OR REVERSIBLY STRETCHABLE...
Publication number
20230026576
Publication date
Jan 26, 2023
Hollingsworth & Vose Company
Bruce Smith
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER MEDIA WITH IRREGULAR STRUCTURE
Publication number
20230025717
Publication date
Jan 26, 2023
Hollingsworth & Vose Company
Bruce Smith
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER MEDIA COMPRISING A PRE-FILTER LAYER
Publication number
20220072462
Publication date
Mar 10, 2022
Hollingsworth & Vose Company
Sudhakar Jaganathan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER MEDIA INCLUDING FLAME RETARDANT FIBERS
Publication number
20210236970
Publication date
Aug 5, 2021
Hollingsworth & Vose Company
Xiaodan Zhang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER MEDIA HAVING AN OPTIMIZED GRADIENT
Publication number
20210101100
Publication date
Apr 8, 2021
Hollingsworth & Vose Company
MAXIM SILIN
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER MEDIA WITH IRREGULAR STRUCTURE AND/OR REVERSIBLY STRETCHABLE...
Publication number
20200330913
Publication date
Oct 22, 2020
Hollingsworth & Vose Company
Bruce Smith
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER MEDIA COMPRISING A PRE-FILTER LAYER
Publication number
20200038793
Publication date
Feb 6, 2020
Hollingsworth & Vose Company
Sudhakar Jaganathan
A62 - LIFE-SAVING FIRE-FIGHTING
Information
Patent Application
FILTER MEDIA INCLUDING A FILTRATION LAYER COMPRISING SYNTHETIC FIBERS
Publication number
20190321760
Publication date
Oct 24, 2019
Hollingsworth & Vose Company
Nagendra Anantharamaiah
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER MEDIA INCLUDING A MULTI-PHASE PRE-FILTER
Publication number
20180361287
Publication date
Dec 20, 2018
Hollingsworth & Vose Company
Xiaodan Zhang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER MEDIA INCLUDING A WAVED FILTRATION LAYER HAVING A GRADIENT
Publication number
20180272258
Publication date
Sep 27, 2018
Hollingsworth & Vose Company
David T. Healey
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER MEDIA INCLUDING A FILTRATION LAYER COMPRISING SYNTHETIC FIBERS
Publication number
20170232371
Publication date
Aug 17, 2017
Hollingsworth & Vose Company
Nagendra Anantharamaiah
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER MEDIA INCLUDING FLAME RETARDANT FIBERS
Publication number
20170232372
Publication date
Aug 17, 2017
Hollingsworth & Vose Company
Xiaodan Zhang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER MEDIA HAVING AN OPTIMIZED GRADIENT
Publication number
20160214044
Publication date
Jul 28, 2016
Hollingsworth & Vose Company
MAXIM SILIN
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER MEDIA COMPRISING A PRE-FILTER LAYER
Publication number
20160175752
Publication date
Jun 23, 2016
Hollingsworth & Vose Company
Sudhakar Jaganathan
A41 - WEARING APPAREL
Information
Patent Application
FILTER MEDIA HAVING AN OPTIMIZED GRADIENT
Publication number
20150053627
Publication date
Feb 26, 2015
Hollingsworth & Vose Company
MAXIM SILIN
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL