Weaver; Randall Ferrain

Patent Applications and Registrations

Patent applications and USPTO patent grants for Weaver; Randall Ferrain.The latest application filed is for "variable blowout preventer apparatus and method".

Company Profile

2.14.12

Weaver; Randall Ferrain - McAlester OK
Weaver; Randall Ferrain - Haywood OK US

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Variable Blowout Preventer Apparatus And Method App 20220010646 - Weaver; Randall Ferrain ; et al.	2022-01-13
Blowout Preventer Testing Apparatus And Method App 20210301619 - Weaver; Randall Ferrain ; et al.	2021-09-30
Fluid separation apparatus and system Grant 10,737,283 - Weaver , et al. A	2020-08-11
Fluid Separation Apparatus And System App 20190262844 - Weaver; Randall Ferrain ; et al.	2019-08-29
Wiper seal assemblies for a reciprocating pump and methods relating thereto Grant 9,670,923 - Weaver , et al. June 6, 2	2017-06-06
System and method for monitoring seals between a stationary conduit and a rotating conduit Grant 9,448,132 - Weaver September 20, 2	2016-09-20
Wiper Seal Assemblies For A Reciprocating Pump And Methods Relating Thereto App 20160131131 - Weaver; Randall Ferrain ; et al.	2016-05-12
Method and apparatus for installation and removal of a valve cover Grant 8,763,496 - Case , et al. July 1, 2	2014-07-01
Gate valve Grant 8,672,295 - Dhawan , et al. March 18, 2	2014-03-18
System and Method for Monitoring Seals Between a Stationary Conduit and a Rotating Conduit App 20130299238 - Weaver; Randall Ferrain	2013-11-14
Reciprocating pump having a piston assembly Grant 8,561,523 - Riley , et al. October 22, 2	2013-10-22
Valve cover assembly and method of using the same Grant 8,365,754 - Riley , et al. February 5, 2	2013-02-05
Piston rod retention system Grant 8,186,900 - Riley , et al. May 29, 2	2012-05-29
Gate Valve App 20120085957 - Dhawan; Samir ; et al.	2012-04-12
Method and Apparatus for Installation and Removal of a Valve Cover App 20110283537 - Case; Larry Don ; et al.	2011-11-24
Apparatus for interconnecting and sealing between fixed and rotating conduits and methods of installing same Grant 7,789,161 - Riley , et al. September 7, 2	2010-09-07
A Reciprocating Pump Having a Piston Assembly App 20100074780 - Riley; Andrew Dale ; et al.	2010-03-25
Valve Cover Assembly and Method of Using The Same App 20100054974 - Riley; Andrew Dale ; et al.	2010-03-04
Apparatus for Interconnecting and Sealing Between Fixed and Rotating Conduits and Methods of Installing Same App 20070251703 - Riley; Andrew Dale ; et al.	2007-11-01
Hydraulic retention system for reciprocating pump cylinder liner Grant 7,287,460 - Riley , et al. October 30, 2	2007-10-30
Piston rod retention system App 20060180020 - Riley; Andrew Dale ; et al.	2006-08-17
Hydraulic retention system for reciprocating pump cylinder liner App 20050089427 - Riley, Andrew Dale ; et al.	2005-04-28

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