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NUMAR CORP

Overview
  • Total Patents
    116
About

NUMAR CORP has a total of 116 patent applications. Its first patent ever was published in 1986. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets measurement and environmental technology are CONCRETEC LTD, INST OF GEOPHYSICAL AND GEOCHEMICAL EXPLORATION CAGS and KAISEI ENJINIA KK.

Patent filings per year

Chart showing NUMAR CORPs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Prammer Manfred G 41
#2 Coates George R 27
#3 Miller Melvin N 16
#4 Mardon Duncan 11
#5 Coates Georges R 8
#6 Paltiel Zvi 8
#7 Taicher Zvi 7
#8 Prammer Manfred 7
#9 Morys Marian 6
#10 Larronde Michael L 6

Latest patents

Publication Filing date Title
WO0026696A1 Nmr logging apparatus and methods for fluid typing
US6377042B1 Method and apparatus for merging of NMR echo trains in the time domain
BR9908942A Processes for measurements by nuclear magnetic resonance of petrophysical properties of a geological formation and for separation of brine hydrocarbons in measurements by nuclear magnetic resonance of a geological formation, and apparatus for measuring petrophysical properties of a geological formation
US6316940B1 System and method for identification of hydrocarbons using enhanced diffusion
CA2318033A1 Method and apparatus for nuclear magnetic resonance measuring while drilling
US6107796A Method and apparatus for differentiating oil based mud filtrate from connate oil
US6023164A Eccentric NMR well logging apparatus and method
US6111408A Nuclear magnetic resonance sensing apparatus and techniques for downhole measurements
US6051973A Method for formation evaluation while drilling
US6204663B1 Pulse sequence and method for suppression of magneto-acoustic artifacts in NMR data
US6242912B1 System and method for lithology-independent gas detection using multifrequency gradient NMR logging
US6005389A Pulse sequences and interpretation techniques for NMR measurements
WO9714063A1 Lithology-independent gradient nmr gas detection
US5936405A System and method for lithology-independent gas detection using multifrequency gradient NMR logging
US5696448A NMR system and method for formation evaluation using diffusion and relaxation log measurements
US5557200A Nuclear magnetic resonance determination of petrophysical properties of geologic structures
US5517115A Efficient processing of NMR echo trains
US5412320A Nuclear magnetic resonance determination of petrophysical properties of geologic structures
EP0584224A1 Nuclear magnetic resonance detection of geologic structures
WO9210768A1 System for logging a well during the drilling thereof