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SCHLUMBERGER TECHNOLOGIES INC

Overview
  • Total Patents
    485
About

SCHLUMBERGER TECHNOLOGIES INC has a total of 485 patent applications. Its first patent ever was published in 1983. It filed its patents most often in United States, Japan and EPO (European Patent Office). Its main competitors in its focus markets measurement, electrical machinery and energy and computer technology are NPTEST LLC, TRUEB and NIPPON DENSHI ZAIRYO KK.

Patent filings per year

Chart showing SCHLUMBERGER TECHNOLOGIES INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 West Burnell G 35
#2 Lo Chiwoei Wayne 30
#3 Wilsher Kenneth R 28
#4 Talbot Christopher G 24
#5 Graeve Egbert 19
#6 Duval Paul J 17
#7 Lo William K 16
#8 Talbot Christopher Graham 16
#9 Masnaghetti Douglas 15
#10 Kasapi Steven A 13

Latest patents

Publication Filing date Title
FR2831936A1 Vibration insulating coupling e.g. for chambers of precision imaging equipment has two flanges with inner ducts and loop diaphragm
US2004075051A1 Apparatus and method for image optimization of samples in a scanning electron microscope
US2003201392A1 Beam alignment in a lower column of a scanning electron microscope or the like
TWI221913B Open-loop for waveform acquisition
TW557527B Method and apparatus for calibration of integrated circuit tester timing
US6717141B1 Reduction of aberrations produced by Wien filter in a scanning electron microscope and the like
TW530362B Precision sub-pixel alignment technique
US6678932B1 Fixture for assembling parts of a device such as a Wien filter
US6593578B1 Wien filter for use in a scanning electron microscope or the like
US2003086774A1 System and method for inhibiting motion of semiconductor wafers in a variable-pressure chamber
EP1306679A1 Method and apparatus for remotely testing semiconductors
JP2002181972A Motor type driving device for x-y stage
TW584793B Time-to-digital converter
US2002118032A1 Heating apparatus containing an array of surface mount components for DUT performance testing
GB0100780D0 Test method and apparatus for source synchronous signals
US6624426B2 Split magnetic lens for controlling a charged particle beam
US6528798B1 Technique for manufacturing an electrostatic element for steering a charged particle beam
EP1096405A2 Wireless electronic travel assistance system
JP2002124099A Packet system memory tester
KR20010040072A Electrostatic chuck with wafer-contact electrode and method of chucking a wafer