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Ryan D. Kracht
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West St. Paul, MN, US
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Patents Grants
last 30 patents
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Patent Grant
Flexible filter element having an end outlet
Patent number
11,738,218
Issue date
Aug 29, 2023
3M Innovative Properties Company
John S. Huberty
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Flexible filter element having an end outlet
Patent number
11,311,752
Issue date
Apr 26, 2022
3M Innovative Properties Company
John S. Huberty
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filter element having a connector
Patent number
D779674
Issue date
Feb 21, 2017
3M Innovative Properties Company
David M. Blomberg
D24 - Medical and laboratory equipment
Patents Applications
last 30 patents
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Patent Application
Flexible Filter Element Having An End Outlet
Publication number
20220219025
Publication date
Jul 14, 2022
3M Innovative Properties Company
John S. HUBERTY
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Flexible Filter Element Having An End Outlet
Publication number
20180043191
Publication date
Feb 15, 2018
3M Innovative Properties Company
John S. HUBERTY
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Flat-Fold Respirator and Method of Making Same
Publication number
20170311660
Publication date
Nov 2, 2017
3M Innovative Properties Company
Jia Liang CHEN
A41 - WEARING APPAREL
Information
Patent Application
Flat-Fold Respirator And Method Of Making Same
Publication number
20170303608
Publication date
Oct 26, 2017
3M Innovative Properties Company
Jian Liang Chen
A41 - WEARING APPAREL