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GEOPHYSICAL SERVICE INC

Overview
  • Total Patents
    23
About

GEOPHYSICAL SERVICE INC has a total of 23 patent applications. Its first patent ever was published in 1932. It filed its patents most often in United States, Australia and Canada. Its main competitors in its focus markets measurement, basic communication technologies and civil engineering are TRAPPE HENNING, BGP INC CHINA NAT PET CORP and China University of Geosciences Beijing.

Patent filings in countries

World map showing GEOPHYSICAL SERVICE INCs patent filings in countries
# Country Total Patents
#1 United States 20
#2 Australia 2
#3 Canada 1

Patent filings per year

Chart showing GEOPHYSICAL SERVICE INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Karcher John C 4
#2 Olson Robert W 3
#3 Renner Darwin S 3
#4 Burg Kenneth E 2
#5 Seymour Robert H 1
#6 Harrison Earnest R 1
#7 Babb John J 1
#8 Calder Powell L 1
#9 Weber Richard M 1
#10 Gaede John E 1

Latest patents

Publication Filing date Title
US4878204A Method for true-amplitude dip moveout correction
AU1831488A Seismic vibrator hold-down weight monitor/controller
US4805128A Format conversion system
US4783739A Input/output command processor
US2501558A Coupling means for seismometers
US2557888A Attenuating circuit
US2550238A Device for comparing traces on seismic records
US2548049A Magnetic amplifier
US2544819A Apparatus for marine seismic prospecting
US2509651A Seismograph compositing system
US2462552A Initial attenuator control
US2462551A Amplitude control
US2313091A Seismic recording
US2265513A Prospecting method and apparatus
US2161256A Apparatus for determining the hardness of subsurface formations
US2085664A Method and apparatus for determining porosity of rock formations
US2096279A Insulated pipe connection
US2375570A Seismic detector system
US2000716A Insulated electrical connection
US1978668A Method of determining geological structure