HOUMA, Louisiana
United States
9
2016-04-14
The entities that hold a legal rights for patent applications filed by inventor ROBICHAUX RON D.:
RON D. ROBICHAUX from HOUMA, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Method and apparatus for performing cementing operations
#2 | 2014-12-25Method of signaling passage of objects using tattle-tale apparatus
#3 | 2014-10-16Method and apparatus for retaining a valve to a cement head
#4 | 2014-06-05Method and apparatus for performing cementing operations on top drive rigs
#5 | 2014-03-20Method and apparatus for anchoring casing and other tubular goods
#6 | 2011-09-08Tattle-tale apparatus
#7 | 2011-03-03Method and apparatus for performing cementing operations on top drive rigs
#8 | 2010-08-12Method and apparatus for performing cementing operations
#9 | 2010-05-20Rotating high-pressure pumping head
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