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WILLBERG DEAN

Overview
  • Total Patents
    12
About

WILLBERG DEAN has a total of 12 patent applications. Its first patent ever was published in 2006. It filed its patents most often in United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets civil engineering, basic materials chemistry and measurement are DAQING DONGYOU RUIJIA PETROLEUM TECH CO LTD, 9668241 CANADA INC and SHENGLI ADMIN SINOPEC DRILLING.

Patent filings in countries

World map showing WILLBERG DEANs patent filings in countries

Patent filings per year

Chart showing WILLBERG DEANs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Willberg Dean 12
#2 Fredd Christopher N 5
#3 Menshikov Denis Olegovich 4
#4 Khlestkin Vadim Kamilievich 4
#5 Makarychev-Mikhailov Sergey Mikhailovich 2
#6 Goloshchapova Dina Andreevna 2
#7 Eliseeva Ksenya Evgenievna 1
#8 Schlumberger Canada Limited 1
#9 Prad Research And Development Limited 1
#10 Fredd Chris N 1

Latest patents

Publication Filing date Title
US2012151998A1 Wettability and matrix imbibition analysis
US2012043085A1 Wellbore service fluid and methods of use
WO2010087732A1 Method of preparing polymer-water emulsion and further settling a sticky polymer material in downhole environment
US2012048549A1 Polymer Emulsions And Well Treatment Fluids
WO2009113896A1 Slip-layer fluid placement
US2010059227A1 Stimulated oil production using reactive fluids