Kenneth J. Krepel

Person

North St. Paul, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Pleated filter element comprising pleated filter media with edge da...
- Patent number 11,452,891
- Issue date Sep 27, 2022
- 3M Innovative Properties Company
- John M. Sebastian
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Interlock system for a respirator waist belt
- Patent number 10,406,387
- Issue date Sep 10, 2019
- 3M Innovative Properties Company
- Kenneth J. Krepel
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Respirator waist belt
- Patent number 9,119,975
- Issue date Sep 1, 2015
- 3M Innovative Properties Company
- Jia Hu
- A45 - HAND OR TRAVELLING ARTICLES
Information Patent Grant
Powered air purifying respirator (PAPR) blower having attachment bo...
- Patent number D683014
- Issue date May 21, 2013
- 3M Innovative Properties Company
- Jia Hu
- D24 - Medical and laboratory equipment
Information Patent Grant
Respirator belt having flexible air channels
- Patent number D683013
- Issue date May 21, 2013
- 3M Innovative Properties Company
- Kenneth J. Krepel
- D24 - Medical and laboratory equipment
Information Patent Grant
Respirator belt having attachment slot
- Patent number D682418
- Issue date May 14, 2013
- 3M Innovative Properties Company
- Kenneth J. Krepel
- D24 - Medical and laboratory equipment
Information Patent Grant
Apparatus and method for breathing apparatus component coupling
- Patent number 6,575,165
- Issue date Jun 10, 2003
- 3M Innovative Properties Company
- David Cook
- A62 - LIFE-SAVING FIRE-FIGHTING

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR MAINTAINING AIRFLOW IN A POWERED AIR PURIF...
- Publication number 20230414975
- Publication date Dec 28, 2023
- 3M Innovative Properties Company
- Kenneth J. Krepel
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
METHOD AND APPARATUS FOR MAINTAINING AIRFLOW IN A POWERED AIR PURIF...
- Publication number 20230414976
- Publication date Dec 28, 2023
- 3M Innovative Properties Company
- Douglas D. Jensen
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
BREATHING APPARATUS AND CHARGING SYSTEM
- Publication number 20230321464
- Publication date Oct 12, 2023
- 3M Innovative Properties Company
- Michael L. Parham
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
PLEATED FILTER ELEMENT COMPRISING PLEATED FILTER MEDIA WITH EDGE DA...
- Publication number 20190299035
- Publication date Oct 3, 2019
- 3M Innovative Properties Company
- John M. Sebastian
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
INTERLOCK SYSTEM FOR A RESPIRATOR WAIST BELT
- Publication number 20130206139
- Publication date Aug 15, 2013
- 3M Innovative Properties Company
- Kenneth J. Krepel
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
RESPIRATOR WAIST BELT
- Publication number 20130206806
- Publication date Aug 15, 2013
- 3M Innovative Properties
- Jia Hu
- A62 - LIFE-SAVING FIRE-FIGHTING

Kenneth J. Krepel

Person

Patents Grantslast 30 patents

Pleated filter element comprising pleated filter media with edge da...

Interlock system for a respirator waist belt

Respirator waist belt

Powered air purifying respirator (PAPR) blower having attachment bo...

Respirator belt having flexible air channels

Respirator belt having attachment slot

Apparatus and method for breathing apparatus component coupling

Patents Applicationslast 30 patents

METHOD AND APPARATUS FOR MAINTAINING AIRFLOW IN A POWERED AIR PURIF...

METHOD AND APPARATUS FOR MAINTAINING AIRFLOW IN A POWERED AIR PURIF...

BREATHING APPARATUS AND CHARGING SYSTEM

PLEATED FILTER ELEMENT COMPRISING PLEATED FILTER MEDIA WITH EDGE DA...

INTERLOCK SYSTEM FOR A RESPIRATOR WAIST BELT

RESPIRATOR WAIST BELT