Edmonton
Canada
2
2013-09-26
2
2016-07-12
These are the the leading inventors for applications assigned to Wenzel Downhole Tools Ltd.:
Wenzel Downhole Tools Ltd. based in Edmonton, CA has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:
Hydraulic jar with multiple high pressure chambers
#2 | 2007-03-29 ✅ Patent 7,635,224 granted on 2009-12-22Method of adjusting backlash in a down hole bearing assembly
278494 ⎘