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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 7 | |
#2 | Australia | 3 | |
#3 | Canada | 3 | |
#4 | WIPO (World Intellectual Property Organization) | 3 | |
#5 | Brazil | 1 | |
#6 | EPO (European Patent Office) | 1 | |
#7 | United Kingdom | 1 | |
#8 | Norway | 1 |
# | Industry | |
---|---|---|
#1 | Mechanical elements | |
#2 | Civil engineering | |
#3 | Machines | |
#4 | Engines, pumps and turbines |
# | Technology | |
---|---|---|
#1 | Venting or aerating devices | |
#2 | Earth drilling | |
#3 | Unspecified technologies | |
#4 | Pumps |
# | Name | Total Patents |
---|---|---|
#1 | Soderberg Paul B | 20 |
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 |