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TELECO OILFIELD SERVICES INC

Overview
  • Total Patents
    213
About

TELECO OILFIELD SERVICES INC has a total of 213 patent applications. Its first patent ever was published in 1979. It filed its patents most often in United States, United Kingdom and Norway. Its main competitors in its focus markets civil engineering, measurement and mechanical elements are VECTOR MAGNETICS INC, KOBOLD SERVICES INC and ANADRILL INT SA.

Patent filings per year

Chart showing TELECO OILFIELD SERVICES INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Grosso Donald S 31
#2 Cobern Martin E 27
#3 Stone Frederick A 21
#4 Duckworth Allen 16
#5 Helm Walter A 11
#6 Grosso Donald 10
#7 Helm Charles W 8
#8 Hamlin Edmund M 8
#9 Nordstrom Roy 8
#10 Perry Carl A 8

Latest patents

Publication Filing date Title
GB9411238D0 Nuclear logging apparatus
GB9406968D0 Nuclear logging apparatus
GB9324859D0 Nuclear logging apparatus
GB9209854D0 Transmission of data pulses on intrinsically safe power lines
GB9207374D0 Mwd acoustic borehole caliper
US5215152A Rotating pulse valve for downhole fluid telemetry systems
GB9127144D0 A method for analyzing formation data from a formation evaluation measurement while drilling logging tool
GB9125878D0 Method for the correction of magnetic interference in the surveying of boreholes
GB9123399D0 Method of detecting fluid influx in a borehole
US5124953A Acoustic data transmission method
US5134783A Thread timing for a rotary shouldered connection
US5144245A Method for evaluating a borehole formation based on a formation resistivity log generated by a wave propagation formation evaluation tool
US5096001A MWD tool for deep, small diameter boreholes
US5163029A Method for detection of influx gas into a marine riser of an oil or gas rig
US5138263A Electromagnetic formation evaluation tool
US5091644A Method for analyzing formation data from a formation evaluation MWD logging tool
US5074681A Downhole motor and bearing assembly
US5134285A Formation density logging mwd apparatus
US5120963A Radiation detector assembly for formation logging apparatus
NL9002727A Method for decoding mwd signals using pressure signals in the ring-space.