Randall Ferrain Weaver

Person

McAlester, OK, US

People

Patents Grantslast 30 patents

Information Patent Grant
Fluid separation apparatus and system
- Patent number 10,737,283
- Issue date Aug 11, 2020
- National-Oilwell Varco, L.P.
- Randall Ferrain Weaver
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Wiper seal assemblies for a reciprocating pump and methods relating...
- Patent number 9,670,923
- Issue date Jun 6, 2017
- National-Oilwell Varco, L.P.
- Randall Ferrain Weaver
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
System and method for monitoring seals between a stationary conduit...
- Patent number 9,448,132
- Issue date Sep 20, 2016
- National-Oilwell Varco, L.P.
- Randall Ferrain Weaver
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for installation and removal of a valve cover
- Patent number 8,763,496
- Issue date Jul 1, 2014
- National-Oilwell Varco, L.P.
- Larry Don Case
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Gate valve
- Patent number 8,672,295
- Issue date Mar 18, 2014
- National-Oilwell Varco, L.P.
- Samir Dhawan
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Reciprocating pump having a piston assembly
- Patent number 8,561,523
- Issue date Oct 22, 2013
- National-Oilwell Varco, L.P.
- Andrew Dale Riley
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Valve cover assembly and method of using the same
- Patent number 8,365,754
- Issue date Feb 5, 2013
- National-Oilwell Varco, L.P.
- Andrew Dale Riley
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Mud pump cylinder assembly and liner system
- Patent number 8,337,180
- Issue date Dec 25, 2012
- National-Oilwell Varco, L.P.
- Jason Neal Whaley
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Piston rod retention system
- Patent number 8,186,900
- Issue date May 29, 2012
- National-Oilwell, L.P.
- Andrew Dale Riley
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Apparatus for interconnecting and sealing between fixed and rotatin...
- Patent number 7,789,161
- Issue date Sep 7, 2010
- National-Oilwell Varco, L.P.
- Andrew Dale Riley
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Hydraulic retention system for reciprocating pump cylinder liner
- Patent number 7,287,460
- Issue date Oct 30, 2007
- National-Oilwell Varco, L.P.
- Andrew Dale Riley
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
FLUID SEPARATION APPARATUS AND SYSTEM
- Publication number 20190262844
- Publication date Aug 29, 2019
- National-Oilwell Varco, L.P.
- Randall Ferrain Weaver
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
WIPER SEAL ASSEMBLIES FOR A RECIPROCATING PUMP AND METHODS RELATING...
- Publication number 20160131131
- Publication date May 12, 2016
- National-Oilwell Varco, L.P.
- Randall Ferrain Weaver
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
System and Method for Monitoring Seals Between a Stationary Conduit...
- Publication number 20130299238
- Publication date Nov 14, 2013
- National-Oilwell Varco, L.P.
- Randall Ferrain Weaver
- G01 - MEASURING TESTING
Information Patent Application
Gate Valve
- Publication number 20120085957
- Publication date Apr 12, 2012
- National-Oilwell Varco, L.P.
- Samir Dhawan
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Method and Apparatus for Installation and Removal of a Valve Cover
- Publication number 20110283537
- Publication date Nov 24, 2011
- National-Oilwell Varco, L.P.
- Larry Don Case
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
MUD PUMP CYLINDER ASSEMBLY AND LINER SYSTEM
- Publication number 20110058959
- Publication date Mar 10, 2011
- National-Oilwell Varco, L.P.
- Jason Neal Whaley
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
A Reciprocating Pump Having a Piston Assembly
- Publication number 20100074780
- Publication date Mar 25, 2010
- National-Oilwell Varco, L.P.
- Andrew Dale Riley
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Valve Cover Assembly and Method of Using The Same
- Publication number 20100054974
- Publication date Mar 4, 2010
- National-Oilwell Varco, L.P.
- Andrew Dale Riley
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Apparatus for Interconnecting and Sealing Between Fixed and Rotatin...
- Publication number 20070251703
- Publication date Nov 1, 2007
- National-Oilwell Varco, L.P.
- Andrew Dale Riley
- E21 - EARTH DRILLING MINING
Information Patent Application
Piston rod retention system
- Publication number 20060180020
- Publication date Aug 17, 2006
- National Oilwell, L.P.
- Andrew Dale Riley
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Hydraulic retention system for reciprocating pump cylinder liner
- Publication number 20050089427
- Publication date Apr 28, 2005
- National Oilwell, L.P.
- Andrew Dale Riley
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Randall Ferrain Weaver

Person

Patents Grantslast 30 patents

Fluid separation apparatus and system

Wiper seal assemblies for a reciprocating pump and methods relating...

System and method for monitoring seals between a stationary conduit...

Method and apparatus for installation and removal of a valve cover

Gate valve

Reciprocating pump having a piston assembly

Valve cover assembly and method of using the same

Mud pump cylinder assembly and liner system

Piston rod retention system

Apparatus for interconnecting and sealing between fixed and rotatin...

Hydraulic retention system for reciprocating pump cylinder liner

Patents Applicationslast 30 patents

FLUID SEPARATION APPARATUS AND SYSTEM

WIPER SEAL ASSEMBLIES FOR A RECIPROCATING PUMP AND METHODS RELATING...

System and Method for Monitoring Seals Between a Stationary Conduit...

Gate Valve

Method and Apparatus for Installation and Removal of a Valve Cover

MUD PUMP CYLINDER ASSEMBLY AND LINER SYSTEM

A Reciprocating Pump Having a Piston Assembly

Valve Cover Assembly and Method of Using The Same

Apparatus for Interconnecting and Sealing Between Fixed and Rotatin...

Piston rod retention system

Hydraulic retention system for reciprocating pump cylinder liner