Ryan; Helen T.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ryan; Helen T..The latest application filed is for "preparation and use of aminoalkylphosphonic acid dialkyl ester compounds in a lubricant for antiwear, friction reduction, and/or".

Company Profile

3.9.13

Ryan; Helen T. - London GB
Ryan; Helen T. - 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
Preparation and use of aminoalkylphosphonic acid dialkyl ester compounds in a lubricant for antiwear, friction reduction, and/or micropitting prevention Grant 11,149,226 - Ryan , et al. October 19, 2	2021-10-19
Preparation and Use of Aminoalkylphosphonic Acid Dialkyl Ester Compounds in a Lubricant for Antiwear, Friction Reduction, and/or App 20200181522 - RYAN; Helen T. ; et al.	2020-06-11
Preparation and use of aminoalkylphosphonic acid dilakyl ester compounds in a lubricant for antiwear, friction reduction, and/or micropitting prevention Grant 10,563,146 - Ryan , et al. Feb	2020-02-18
Friction Modifiers for Slideway Applications App 20150141306 - Devlin; Mark T. ; et al.	2015-05-21
Friction modifiers for slideway applications Grant 8,962,539 - Devlin , et al. February 24, 2	2015-02-24
Friction Modifiers for Slideway Applications App 20140051616 - DEVLIN; Mark T. ; et al.	2014-02-20
Preparation And Use Of Aminoalkylphosphonic Acid Dilakyl Ester Compounds In A Lubricant For Antiwear, Friction Reduction, And/or Micropitting Prevention App 20130072407 - RYAN; Helen T. ; et al.	2013-03-21
Lubricating composition with good oxidative stability and reduced deposit formation Grant 8,227,391 - Ryan , et al. July 24, 2	2012-07-24
Lubricant compositions Grant 8,003,584 - Devlin , et al. August 23, 2	2011-08-23
Lubricant compositions Grant 7,759,294 - Devlin , et al. July 20, 2	2010-07-20
Thermally Stable Zinc-free Antiwear Agent App 20100009881 - RYAN; Helen T. ; et al.	2010-01-14
Friction Modifiers For Slideway Applications App 20090318319 - Devlin; Mark T. ; et al.	2009-12-24
Controlled release of additives in gas turbine lubricating compositions App 20090291865 - Brennan; Brent L. ; et al.	2009-11-26
Lubricant compositions Grant 7,452,851 - Devlin , et al. November 18, 2	2008-11-18
Food Grade Lubricant Compositions App 20080125338 - Corbett; Patricia M. ; et al.	2008-05-29
Lubricant Compositions App 20080015128 - Devlin; Mark T. ; et al.	2008-01-17
Hydrolytically stable viscosity index improves App 20060252660 - Duggal; Akhilesh ; et al.	2006-11-09
Lubricant compositions App 20050090410 - Devlin, Mark T. ; et al.	2005-04-28
Lubricant compositions App 20050090409 - Devlin, Mark T. ; et al.	2005-04-28
Hydraulic fluids Grant 5,767,045 - Ryan June 16, 1	1998-06-16

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