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PATHFINDER ENERGY SERVICES INC

Overview
  • Total Patents
    125
About

PATHFINDER ENERGY SERVICES INC has a total of 125 patent applications. Its first patent ever was published in 2000. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets civil engineering, measurement and electrical machinery and energy are SCHLUMBERGER SURENCO SA, MACLEOD LAB INC and GUIDELINE AB.

Patent filings per year

Chart showing PATHFINDER ENERGY SERVICES INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Haugland Samuel Mark 20
#2 Moody Michael J 16
#3 Jones Stephen 13
#4 Mcelhinney Graham 13
#5 Paluch William C 12
#6 Sugiura Junichi 12
#7 Moore Robert A 9
#8 Mcelhinney Graham A 9
#9 Song Haoshi 6
#10 Haugland S Mark 5

Latest patents

Publication Filing date Title
US7377333B1 Linear position sensor for downhole tools and method of use
US2008110674A1 Closed-loop control of hydraulic pressure in a downhole steering tool
US2007289373A1 Apparatus and method for downhole dynamics measurements
US2006250893A1 Drilling fluid pressure pulse detection using a differential transducer
US2006185430A1 Piezocomposite transducer for a downhole measurement tool
US2007223822A1 Data compression method used in downhole applications
US2007107937A1 Rotary steerable tool including drill string rotation measurement apparatus
US2007030007A1 Measurement tool for obtaining tool face on a rotating drill collar
US2006283635A1 Downhole steering tool having a non-rotating bendable section
CA2509562A1 Determining a borehole azimuth from tool face measurements
US2006208738A1 Well logging apparatus for obtaining azimuthally sensitive formation resistivity measurements
US2005189946A1 Azimuthally sensitive receiver array for an electromagnetic measurement tool
GB0504180D0 Azimuthally sensitive receiver array for an electromagnetic measurement tool
US2006185902A1 Spring mechanism for downhole steering tool blades
US2006185900A1 Programming method for controlling a downhole steering tool
GB0501929D0 Method For Locating Casing Joints Using A Measurement While Drilling Tool
US2005121233A1 Filter assembly having a bypass passageway and method
US2006096105A1 Determination of borehole azimuth and the azimuthal dependence of borehole parameters
GB0417432D0 Apparatus for obtaining high quality formation fluid samples
US2005001737A1 Drill string rotation encoding