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.
# | Industry | |
---|---|---|
#1 | Materials and metallurgy | |
#2 | Basic materials chemistry | |
#3 | Chemical engineering | |
#4 | Measurement | |
#5 | Environmental technology | |
#6 | Engines, pumps and turbines | |
#7 | Civil engineering |
# | 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 |
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 |