Kevin R. Ketterer

Person

Portersville, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Safety helmet
- Patent number 12,011,057
- Issue date Jun 18, 2024
- MSA Technology, LLC
- Celeste L. Hort
- A42 - HEADWEAR
Information Patent Grant
Helmet accessory adapter
- Patent number 10,165,819
- Issue date Jan 1, 2019
- MSA Technology, LLC
- Robert Klotz
- A42 - HEADWEAR
Information Patent Grant
Suspension connection arrangement for a suspension system of a safe...
- Patent number 9,949,522
- Issue date Apr 24, 2018
- MSA Technology, LLC
- Kevin R. Ketterer
- A42 - HEADWEAR
Information Patent Grant
Adjustment mechanism for a headband arrangement of a safety helmet
- Patent number 9,642,412
- Issue date May 9, 2017
- MSA Technology, LLC
- Robert Klotz
- A42 - HEADWEAR
Information Patent Grant
Adjustment mechanism for a headband arrangement of a safety helmet
- Patent number 9,572,392
- Issue date Feb 21, 2017
- MSA Technology, LLC
- Robert Klotz
- A42 - HEADWEAR
Information Patent Grant
Protective helmet
- Patent number RE45459
- Issue date Apr 14, 2015
- MSA Technology, LLC
- F. Joseph Hersick
- 002 - Apparel
Information Patent Grant
Protective helmet
- Patent number 8,539,613
- Issue date Sep 24, 2013
- Mine Safety Appliances Company
- F. Joseph Hersick
- A42 - HEADWEAR
Information Patent Grant
Protective helmet
- Patent number 8,225,419
- Issue date Jul 24, 2012
- Mine Safety Appliances Company
- F. Joseph Hersick
- A42 - HEADWEAR
Information Patent Grant
Adjustable headband
- Patent number 7,296,305
- Issue date Nov 20, 2007
- Mine Safety Appliances Company
- Kevin R. Ketterer
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Adjustable headband
- Patent number 7,089,603
- Issue date Aug 15, 2006
- Mine Safety Appliances Company
- Kevin R. Ketterer
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Safety Helmet
- Publication number 20240292922
- Publication date Sep 5, 2024
- MSA TECHNOLOGY, LLC
- Celeste L. Hort
- A42 - HEADWEAR
Information Patent Application
Systems and Methods for Providing Reliable Helmet Suspension Instal...
- Publication number 20240065362
- Publication date Feb 29, 2024
- MSA Technology, LLC
- Kevin R. Ketterer
- A42 - HEADWEAR
Information Patent Application
Systems and Methods for Providing an Assembly for Releasably Connec...
- Publication number 20230320452
- Publication date Oct 12, 2023
- MSA TECHNOLOGY, LLC
- Kevin R. Ketterer
- A42 - HEADWEAR
Information Patent Application
SAFETY HELMET
- Publication number 20210212406
- Publication date Jul 15, 2021
- MSA Technology, LLC
- Celeste L. Hort
- A42 - HEADWEAR
Information Patent Application
Adjustment Mechanism and Headband Arrangement for Flexible Helmet H...
- Publication number 20200383416
- Publication date Dec 10, 2020
- MSA TECHNOLOGY, LLC
- Matt C. Miller
- A42 - HEADWEAR
Information Patent Application
Adjustment Mechanism for a Headband Arrangement of a Safety Helmet
- Publication number 20150059064
- Publication date Mar 5, 2015
- MSA Technology, LLC
- Robert Klotz
- A42 - HEADWEAR
Information Patent Application
Adjustment Mechanism for a Headband Arrangement of a Safety Helmet
- Publication number 20150059065
- Publication date Mar 5, 2015
- Robert Klotz
- A42 - HEADWEAR
Information Patent Application
Suspension Connection Arrangement for a Suspension System of a Safe...
- Publication number 20150059066
- Publication date Mar 5, 2015
- Kevin R. Ketterer
- A42 - HEADWEAR
Information Patent Application
PROTECTIVE HELMET
- Publication number 20120278963
- Publication date Nov 8, 2012
- F. Joseph Hersick
- A42 - HEADWEAR
Information Patent Application
HELMET ACCESSORY ADAPTER
- Publication number 20120246807
- Publication date Oct 4, 2012
- ROBERT KLOTZ
- A42 - HEADWEAR
Information Patent Application
Protective helmet
- Publication number 20110072548
- Publication date Mar 31, 2011
- F. Joseph Hersick
- A42 - HEADWEAR
Information Patent Application
Adjustable headband
- Publication number 20060101560
- Publication date May 18, 2006
- Kevin R. Ketterer
- A42 - HEADWEAR
Information Patent Application
Adjustable headband
- Publication number 20060053532
- Publication date Mar 16, 2006
- Kevin R. Ketterer
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Kevin R. Ketterer

Person

Patents Grantslast 30 patents

Safety helmet

Helmet accessory adapter

Suspension connection arrangement for a suspension system of a safe...

Adjustment mechanism for a headband arrangement of a safety helmet

Adjustment mechanism for a headband arrangement of a safety helmet

Protective helmet

Protective helmet

Protective helmet

Adjustable headband

Adjustable headband

Patents Applicationslast 30 patents

Safety Helmet

Systems and Methods for Providing Reliable Helmet Suspension Instal...

Systems and Methods for Providing an Assembly for Releasably Connec...

SAFETY HELMET

Adjustment Mechanism and Headband Arrangement for Flexible Helmet H...

Adjustment Mechanism for a Headband Arrangement of a Safety Helmet

Adjustment Mechanism for a Headband Arrangement of a Safety Helmet

Suspension Connection Arrangement for a Suspension System of a Safe...

PROTECTIVE HELMET

HELMET ACCESSORY ADAPTER

Protective helmet

Adjustable headband

Adjustable headband