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Diamond-like-carbon based friction reducing tapes Grant 11,364,705 - Wang , et al. June 21, 2 | 2022-06-21 |
High Manganese Steel Pipe With Step-out Weld Zone Erosion-corrosion Resistance And Method Of Making The Same App 20200086432 - Jin; HyunWoo ;   et al. | 2020-03-19 |
High manganese steel pipe with step-out weld zone erosion-corrosion resistance and method of making the same Grant 10,493,570 - Jin , et al. De | 2019-12-03 |
Diamond-Like-Carbon Based Friction Reducing Tapes App 20190111661 - Wang; Lei ;   et al. | 2019-04-18 |
High Strength Weld Metal for Demanding Structural Applications App 20180169799 - Fairchild; Douglas P. ;   et al. | 2018-06-21 |
Low yield ratio dual phase steel linepipe with superior strain aging resistance Grant 9,896,748 - Koo , et al. February 20, 2 | 2018-02-20 |
High toughness weld metals with superior ductile tearing resistance Grant 9,821,401 - Fairchild , et al. November 21, 2 | 2017-11-21 |
High Manganese Steel Pipe With Step-out Weld Zone Erosion-corrosion Resistance And Method Of Making The Same App 20170312861 - Jin; HyunWoo ;   et al. | 2017-11-02 |
Low friction coatings with improved abrasion and wear properties and methods of making Grant 9,617,654 - Rajagopalan , et al. April 11, 2 | 2017-04-11 |
High Strength Weld Metal for Demanding Structural Applications App 20150129559 - Fairchild; Douglas P. ;   et al. | 2015-05-14 |
Process for Applying a Friction Reducing Coating App 20150132539 - Bailey; Jeffrey R. ;   et al. | 2015-05-14 |
Low Friction Coatings With Improved Abrasion And Wear Properties And Methods Of Making App 20140178637 - Rajagopalan; Srinivasan ;   et al. | 2014-06-26 |
Methods Of Making A Drilling Tool With Low Friction Coatings To Reduce Balling And Friction App 20140173995 - Bailey; Jeffrey Roberts ;   et al. | 2014-06-26 |
Coated oil and gas well production devices Grant 8,602,113 - Jin , et al. December 10, 2 | 2013-12-10 |
Coated sleeved oil and gas well production devices Grant 8,590,627 - Jin , et al. November 26, 2 | 2013-11-26 |
High Toughness Weld Metals With Superior Ductile Tearing Resistance App 20130292362 - Fairchild; Douglas P. ;   et al. | 2013-11-07 |
Ultra-low friction coatings for drill stem assemblies Grant 8,561,707 - Jin , et al. October 22, 2 | 2013-10-22 |
Coated sleeved oil and gas well production devices Grant 8,286,715 - Bailey , et al. October 16, 2 | 2012-10-16 |
Coated oil and gas well production devices Grant 8,261,841 - Bailey , et al. September 11, 2 | 2012-09-11 |
Ultra-low friction coatings for drill stem assemblies Grant 8,220,563 - Bangaru , et al. July 17, 2 | 2012-07-17 |
Low Yield Ratio Dual Phase Steel Linepipe With Superior Strain Aging Resistance App 20120125490 - Koo; Jayoung ;   et al. | 2012-05-24 |
Coated Oil and Gas Well Production Devices App 20110220348 - Jin; Hyun Woo ;   et al. | 2011-09-15 |
Ultra-low Friction Coatings For Drill Stem Assemblies App 20110220415 - Jin; Hyun Woo ;   et al. | 2011-09-15 |
Coated Sleeved Oil And Gas Well Production Devices App 20110203791 - Jin; Hyun Woo ;   et al. | 2011-08-25 |
Coated sleeved oil and gas well production devices App 20110042069 - Bailey; Jeffrey Roberts ;   et al. | 2011-02-24 |
Coated oil and gas well production devices App 20100206553 - Bailey; Jeffrey Roberts ;   et al. | 2010-08-19 |
High strength and toughness steel structures by friction stir welding App 20100136369 - Ayer; Raghavan ;   et al. | 2010-06-03 |
Ultra-low friction coatings for drill stem assemblies App 20100044110 - Bangru; Narasimha-Rao V. ;   et al. | 2010-02-25 |
Low Yield Ratio Dual Phase Steel Linepipe with Superior Strain Aging Resistance App 20090301613 - Koo; Jayoung ;   et al. | 2009-12-10 |
High Strength Dual Phase Steel With Low Yield Ratio, High Toughness and Superior Weldability App 20070193666 - Asahi; Hitoshi ;   et al. | 2007-08-23 |
Reactive heat treatment to form pearlite from an iron containing article Grant 6,942,739 - Chun , et al. September 13, 2 | 2005-09-13 |
Weld metals with superior low temperature toughness for joining high strength, low alloy steels Grant 6,565,678 - Fairchild , et al. May 20, 2 | 2003-05-20 |
Reactive heat treatment to form pearlite from an iron containing article App 20030079806 - Chun, Changmin ;   et al. | 2003-05-01 |
Weld metals with superior low temperature toughness for joining high strength, low alloy steels App 20020043305 - Fairchild, Douglas P. ;   et al. | 2002-04-18 |