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XU RICHARD YINGQING

Overview
  • Total Patents
    23
About

XU RICHARD YINGQING has a total of 23 patent applications. Its first patent ever was published in 2009. It filed its patents most often in United States. Its main competitors in its focus markets civil engineering, machines and materials and metallurgy are SUMMIT DOWNHOLE DYNAMICS LTD, CORPRO SYSTEMS LTD and WESTBAY INSTR INC.

Patent filings in countries

World map showing XU RICHARD YINGQINGs patent filings in countries
# Country Total Patents
#1 United States 23

Patent filings per year

Chart showing XU RICHARD YINGQINGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Xu Richard Yingqing 23
#2 Rosenblatt Steve 3
#3 Xu Zhiyue 2
#4 Johnson Michael H 1
#5 Huang Tianping 1
#6 O'Malley Edward 1

Latest patents

Publication Filing date Title
US2013146307A1 Treatment plug and method of anchoring a treatment plug and then removing a portion thereof
US2013043021A1 Subterranean vibrator with lateral vibration feature
US2013020089A1 Tubular valving system and method
US2012298781A1 Enhanced penetration of telescoping fracturing nozzle assembly
US2012298351A1 Fracturing nozzle assembly with cyclic stress capability
US2012132426A1 Formation treatment system and method
US2012292052A1 Easy drill slip
US2012292053A1 Easy drill slip with degradable materials
US2012285686A1 Downhole rotational vibrator
US2012234546A1 System and method for fracturing a formation and a method of increasing depth of fracturing of a formation
US2012234545A1 Valving system, method of adjusting a valve and method of fracing a wellbore
US2012169043A1 Flow tolerant actuating device and method of desensitizing an actuator to fluid flow
US2012132440A1 Expandable Screen Assembly and Method of Expanding a Plurality of Screens
US2012048553A1 Fishing tool and method
US2012037373A1 Downhole fracture system and method
US2012031611A1 Erosion Migration Arrangement, Erodable Member and Method of Migrating a Slurry Flow Path
US2012031617A1 Formation treatment system and method
US2011315226A1 Telescoping conduits with shape memory foam as a plug and sand control feature
US2011278016A1 Valve, valving device and method
US2011042105A1 Zero backlash downhole setting tool and method