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SCHLUMBERGERSEMA INC

Overview
  • Total Patents
    28
About

SCHLUMBERGERSEMA INC has a total of 28 patent applications. Its first patent ever was published in 1997. It filed its patents most often in Canada, WIPO (World Intellectual Property Organization) and Mexico. Its main competitors in its focus markets measurement, environmental technology and telecommunications are INSIGHT ENERGY VENTURES LLC, POWER MEASUREMENT LTD and XIAN SI TOP ELECTRIC CO LTD.

Patent filings per year

Chart showing SCHLUMBERGERSEMA INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Martin Brent 4
#2 Paik Ellen 3
#3 Booth Derek 3
#4 Bengtsson Johan 3
#5 Steklac Ivo 3
#6 Salt Metin 3
#7 Simmons Stephen M 3
#8 Norrod Eric 3
#9 Morand Gary W 3
#10 Seal Brian K 3

Latest patents

Publication Filing date Title
AU2003220694A1 Data collection and metering system
US2004004555A1 Field selectable communication network
CA2415233A1 Energy history buffer
US6677862B1 Transmitter tolerant to crystal variations
US6741638B2 Bandpass processing of a spread spectrum signal