Calgary
Canada
2
2012-07-12
2
2013-08-06
These are the the leading inventors for applications assigned to OPTIMAL PRESSURE DRILLING SERVICES INC.:
OPTIMAL PRESSURE DRILLING SERVICES INC. based in Calgary, CA has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:
Seal cleaning and lubricating bearing assembly for a rotating flow diverter
#2 | 2009-06-25 ✅ Patent 8,096,711 granted on 2012-01-17Seal cleaning and lubricating bearing assembly for a rotating flow diverter
186280 ⎘