Calgary
Canada
3
2012-08-09
The entities that hold a legal rights for patent applications filed by inventor Wassmuth Fred:
Fred Wassmuth from Calgary, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
WATER FLOODING METHOD FOR SECONDARY HYDROCARBON RECOVERY
#2 | 2008-06-12Method of reducing water influx into gas wells
#3 | 2007-03-29Toe-to-heel waterflooding with progressive blockage of the toe region
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