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DOWELL SCHLUMBERGER SERVICES

Overview
  • Total Patents
    19
About

DOWELL SCHLUMBERGER SERVICES has a total of 19 patent applications. Its first patent ever was published in 1973. It filed its patents most often in France, Japan and Argentina. Its main competitors in its focus markets materials and metallurgy, basic materials chemistry and chemical engineering are CATALYST PARTNERS INC, CHANGQING GUJING COMPANY OF CNPC CHUANQING DRILLING ENG CO LTD and OBSHCHESTVO S OGRANICHENNOJ OTVETSTVENNOSTYU FORES.

Patent filings in countries

World map showing DOWELL SCHLUMBERGER SERVICESs patent filings in countries

Patent filings per year

Chart showing DOWELL SCHLUMBERGER SERVICESs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Maroy Pierre 3
#2 Le Roy Delage Sylvaine 3
#3 Thiercelin Marc 3
#4 Drochon Bruno 2
#5 Ronarudo Shiyaautsudo 2
#6 Dargaud Bernard 2
#7 Garnier Andre 1
#8 Reeb Roland 1
#9 Barlet Gouedard Veronique 1
#10 Sherwood Ronald 1

Latest patents

Publication Filing date Title
JPS62256722A Method of controlling and delaying formation of gel or sediment derived from aluminum and corresponding compositionand application to oil well