Thomas A. Hartman

Person

St. Louis, MO, US

People

Patents Grantslast 30 patents

Information Patent Grant
Spring ring valve seat and butterfly valve with spring ring valve seat
- Patent number 10,184,567
- Issue date Jan 22, 2019
- Thomas A. Hartman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Ball valve housing seat and method of securing the same to a ball v...
- Patent number 7,887,025
- Issue date Feb 15, 2011
- Thomas A. Hartman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Fixed cone sleeve valve having ribs downstream of the gate for supp...
- Patent number 7,708,024
- Issue date May 4, 2010
- Thomas A. Hartman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Fixed cone sleeve valve having cone supported by means downstream o...
- Patent number 7,493,912
- Issue date Feb 24, 2009
- Brian T. Hartman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Valve seal and method of installing a valve seal
- Patent number 7,401,763
- Issue date Jul 22, 2008
- Brian T. Hartman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Valve seal and method of installing a valve seal
- Patent number 7,225,825
- Issue date Jun 5, 2007
- Brian T. Hartman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Valve seal construction with non-congruent side serrations
- Patent number 6,494,466
- Issue date Dec 17, 2002
- Thomas A. Hartman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Arm-driven sleeve valve with centralized drive mechanism
- Patent number 6,296,009
- Issue date Oct 2, 2001
- Thomas A. Hartman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Apparatus and method of sealing a valve against increasing fluid pr...
- Patent number 6,206,376
- Issue date Mar 27, 2001
- Thomas A. Hartman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Sleeve valve with clean out section
- Patent number 6,206,021
- Issue date Mar 27, 2001
- Thomas A. Hartman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Valve seal structured to prevent circumferential slippage
- Patent number 6,202,983
- Issue date Mar 20, 2001
- Thomas A. Hartman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Valve assembly with integral phase regenerator
- Patent number 6,024,128
- Issue date Feb 15, 2000
- Brian T. Hartman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Housing assembly for fixed cone sleeve valve
- Patent number 5,950,660
- Issue date Sep 14, 1999
- Brian T. Hartman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Valve assembly plug and body seat improvements
- Patent number 5,634,626
- Issue date Jun 3, 1997
- Thomas A. Hartman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Liquid flow velocity diffuser
- Patent number 5,588,635
- Issue date Dec 31, 1996
- Thomas A. Hartman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
In-line sleeve valve having velocity guide pressure equalization an...
- Patent number 5,116,252
- Issue date May 26, 1992
- Thomas A. Hartman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Angle pattern control valve
- Patent number 4,825,906
- Issue date May 2, 1989
- Thomas A. Hartman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Pin-key assembly
- Patent number 4,579,477
- Issue date Apr 1, 1986
- Thomas A. Hartman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Elastically conformable tapered pin-key
- Patent number 4,576,504
- Issue date Mar 18, 1986
- Thomas A. Hartman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
SPRING RING VALVE SEAT AND BUTTERFLY VALVE WITH SPRING RING VALVE SEAT
- Publication number 20170016540
- Publication date Jan 19, 2017
- Thomas A. Hartman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Ball Valve and Method of Operating the Same
- Publication number 20150377366
- Publication date Dec 31, 2015
- Thomas A. Hartman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
VALVE WITH TRUNNIONS AND METHOD OF ASSEMBLING THE SAME
- Publication number 20150008352
- Publication date Jan 8, 2015
- Thomas A. Hartman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
BALL VALVE AND METHOD OF ASSEMBLING THE SAME
- Publication number 20150008351
- Publication date Jan 8, 2015
- Thomas A. Hartman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Ball Valve Housing Seat and Method of Securing the Same to a Ball V...
- Publication number 20090146093
- Publication date Jun 11, 2009
- Thomas A. Hartman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Fixed Cone Sleeve Valve Having Ribs Downstream of the Gate for Supp...
- Publication number 20090032763
- Publication date Feb 5, 2009
- Thomas A. Hartman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Fixed cone sleeve valve having cone supported by means downstream o...
- Publication number 20070284002
- Publication date Dec 13, 2007
- Brian T. Hartman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Valve Seal and Method of Installing a Valve Seal
- Publication number 20070145320
- Publication date Jun 28, 2007
- Brian T. Hartman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
VALVE SEAL AND METHOD OF INSTALLING A VALVE SEAL
- Publication number 20070138427
- Publication date Jun 21, 2007
- Brian T. Hartman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Differential pressure dynamic sealing valve
- Publication number 20020056825
- Publication date May 16, 2002
- Thomas A. Hartman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Thomas A. Hartman

Person

Patents Grantslast 30 patents

Spring ring valve seat and butterfly valve with spring ring valve seat

Ball valve housing seat and method of securing the same to a ball v...

Fixed cone sleeve valve having ribs downstream of the gate for supp...

Fixed cone sleeve valve having cone supported by means downstream o...

Valve seal and method of installing a valve seal

Valve seal and method of installing a valve seal

Valve seal construction with non-congruent side serrations

Arm-driven sleeve valve with centralized drive mechanism

Apparatus and method of sealing a valve against increasing fluid pr...

Sleeve valve with clean out section

Valve seal structured to prevent circumferential slippage

Valve assembly with integral phase regenerator

Housing assembly for fixed cone sleeve valve

Valve assembly plug and body seat improvements

Liquid flow velocity diffuser

In-line sleeve valve having velocity guide pressure equalization an...

Angle pattern control valve

Pin-key assembly

Elastically conformable tapered pin-key

Patents Applicationslast 30 patents

SPRING RING VALVE SEAT AND BUTTERFLY VALVE WITH SPRING RING VALVE SEAT

Ball Valve and Method of Operating the Same

VALVE WITH TRUNNIONS AND METHOD OF ASSEMBLING THE SAME

BALL VALVE AND METHOD OF ASSEMBLING THE SAME

Ball Valve Housing Seat and Method of Securing the Same to a Ball V...

Fixed Cone Sleeve Valve Having Ribs Downstream of the Gate for Supp...

Fixed cone sleeve valve having cone supported by means downstream o...

Valve Seal and Method of Installing a Valve Seal

VALVE SEAL AND METHOD OF INSTALLING A VALVE SEAL

Differential pressure dynamic sealing valve