Calgary
Canada
7
2018-09-06
The entities that hold a legal rights for patent applications filed by inventor Schmidt James W.:
James W. Schmidt from Calgary, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
Multi-stage well isolation
#2 | 2018-08-23MULTI-STAGE WELL ISOLATION AND FRACTURING
#3 | 2018-08-23Apparatus and method for opening and closing in multiple cycles a downhole sleeve using an intervention tool
#4 | 2018-02-08Apparatus and method for locating and setting a tool in a profile
#5 | 2017-02-23MULTI-STAGE WELL ISOLATION AND FRACTURING
#6 | 2015-11-19MULTI-STAGE WELL ISOLATION AND FRACTURING
#7 | 2015-10-08Multi-stage well isolation
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