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SODERBERG RES & DEV

Overview
  • Total Patents
    20
About

SODERBERG RES & DEV has a total of 20 patent applications. Its first patent ever was published in 1982. It filed its patents most often in United States, Australia and Canada. Its main competitors in its focus markets mechanical elements, civil engineering and machines are CACTUS WELLHEAD LLC, AKER SOLUTIONS SINGAPORE PTE LTD and JIANGSU HONGTAI PETROCHEMICAL MACHINERY CO LTD.

Patent filings per year

Chart showing SODERBERG RES & DEVs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Soderberg Paul B 20

Latest patents

Publication Filing date Title
US5507469A Valve actuator system for initial torque reduction
US5333834A Valve driver
US4962911A Hemi-wedge valve
US4681167A Apparatus and method for automatically and periodically introducing a fluid into a producing oil well
US4637471A Tubing drain valve useful with heavy, sand-bearing oil
BR8502716A Union including a gem tube sewer valve suitable for use in a probe hole tube column, gem tube sewer valve suitable for use in a probe hole tube column, suitable tube column for use in a fitting column probe and process to operate a valve device
US4540348A Oilwell pump system and method