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SOUTHERN GAS ASS

Overview
  • Total Patents
    27
About

SOUTHERN GAS ASS has a total of 27 patent applications. Its first patent ever was published in 1955. It filed its patents most often in United States, EPO (European Patent Office) and Canada. Its main competitors in its focus markets measurement, computer technology and mechanical elements are FRANK AUGHTIE, HIGASHIJIMA CHINKOU and GNII TEPLOENE.

Patent filings in countries

World map showing SOUTHERN GAS ASSs patent filings in countries

Patent filings per year

Chart showing SOUTHERN GAS ASSs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Edlund Carl E 11
#2 Sparks Cecil R 7
#3 King James D 5
#4 Brown Morton E 5
#5 Hanchett Miles T 3
#6 Damewood Glenn 3
#7 Glenn Damewood 2
#8 Hughes John V 1
#9 Carl E Edlund 1
#10 Sharp James M 1

Latest patents

Publication Filing date Title
US4654813A Electronic square root error indicator
US4570745A Method and apparatus for minimizing pulsations in fluid transmission systems
US4559610A Gas pumping system analog
EP0107742A1 Electrical analog of a piping network having a centrifugal compressor therein.
US4475168A Performance indicator for compressor analogs
US4424571A Reciprocating compressor analog
US4417164A Mechanical valve analog
US4419624A Apparatus for phase measurement
US4429371A Relative horsepower indicator
US4419735A Signal source for compressor analog
US4404646A Piping network analog apparatus
US3823608A Torque transducer
US3581077A Electrical analog model for fluid flow transmission system
US3283569A Method and apparatus for indicating performance characteristics of reciprocating piston machines
US3276249A Ultrasonic measuring apparatus
US2979940A Method for measuring forces within a system
US2997124A Mechanical vibration reducing apparatus
US2936041A Pulsation dampening apparatus
US2951638A Gas pumping system analog
CA759224A Performance indicator for piston engines