John BROSNAHAN

Person

North Huntingdon, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Valve seat assembly having mating surfaces with a reverse taper angle
- Patent number 11,566,713
- Issue date Jan 31, 2023
- Kennametal Inc.
- Jacob Poremski
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Valve seats and valve assemblies for fluid end applications
- Patent number 11,156,221
- Issue date Oct 26, 2021
- Kennametal Inc.
- Roger M. Stark
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Valve seats and valve assemblies for fluid end applications
- Patent number 10,954,938
- Issue date Mar 23, 2021
- Kennametal Inc.
- Roger M. Stark
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Valve seats and valve assemblies for fluid end applications
- Patent number 10,851,775
- Issue date Dec 1, 2020
- Kennametal Inc.
- Roger M. Stark
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Thin-walled earth boring tools and methods of making the same
- Patent number 10,662,716
- Issue date May 26, 2020
- Kennametal Inc.
- Paul D. Prichard
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Valve seats and valve assemblies for fluid end applications
- Patent number 10,344,757
- Issue date Jul 9, 2019
- Kennametal Inc.
- Roger M. Stark
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
VALVE SEAT ASSEMBLY HAVING MATING SURFACES WITH A REVERSE TAPER ANGLE
- Publication number 20220325803
- Publication date Oct 13, 2022
- Kennametal Inc.
- Jacob Poremski
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
VALVE SEATS AND VALVE ASSEMBLIES FOR FLUID END APPLICATIONS
- Publication number 20210062805
- Publication date Mar 4, 2021
- Kennametal Inc.
- Roger M. Stark
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
VALVE SEATS AND VALVE ASSEMBLIES FOR FLUID END APPLICATIONS
- Publication number 20190264682
- Publication date Aug 29, 2019
- Kennametal Inc.
- Roger M. Stark
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
VALVE SEATS AND VALVE ASSEMBLIES FOR FLUID END APPLICATIONS
- Publication number 20190226475
- Publication date Jul 25, 2019
- Kennametal Inc.
- Roger M. STARK
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
VALVE SEATS AND VALVE ASSEMBLIES FOR FLUID END APPLICATIONS
- Publication number 20190226476
- Publication date Jul 25, 2019
- Kennametal Inc.
- Roger M. STARK
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
THIN-WALLED EARTH BORING TOOLS AND METHODS OF MAKING THE SAME
- Publication number 20190106941
- Publication date Apr 11, 2019
- Kennametal Inc.
- Paul D. PRICHARD
- B22 - CASTING POWDER METALLURGY

John BROSNAHAN

Person

Patents Grantslast 30 patents

Valve seat assembly having mating surfaces with a reverse taper angle

Valve seats and valve assemblies for fluid end applications

Valve seats and valve assemblies for fluid end applications

Valve seats and valve assemblies for fluid end applications

Thin-walled earth boring tools and methods of making the same

Valve seats and valve assemblies for fluid end applications

Patents Applicationslast 30 patents

VALVE SEAT ASSEMBLY HAVING MATING SURFACES WITH A REVERSE TAPER ANGLE

VALVE SEATS AND VALVE ASSEMBLIES FOR FLUID END APPLICATIONS

VALVE SEATS AND VALVE ASSEMBLIES FOR FLUID END APPLICATIONS

VALVE SEATS AND VALVE ASSEMBLIES FOR FLUID END APPLICATIONS

VALVE SEATS AND VALVE ASSEMBLIES FOR FLUID END APPLICATIONS

THIN-WALLED EARTH BORING TOOLS AND METHODS OF MAKING THE SAME