Pasadena, Texas
United States
11
2018-08-23
The entities that hold a legal rights for patent applications filed by inventor Hirth David E.:
David E. Hirth from Pasadena, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Method and apparatus for bi-directionally anchoring a liner in a borehole
#2 | 2007-06-05Hydraulic tools for setting liner top packers and method for cementing liners
#3 | 2006-06-06Plug-dropping container for releasing a plug into a wellbore
#4 | 2006-05-23Packer with integral cleaning device
#5 | 2006-01-03Wire lock expandable connection
#6 | 2005-07-26Method and apparatus for anchoring downhole tools in a wellbore
#7 | 2005-07-21Bi-directionally boosting and internal pressure trapping packing element system
#8 | 2005-06-07Bi-directionally boosting and internal pressure trapping packing element system
#9 | 2005-04-12Expansion set liner hanger and method of setting same
#10 | 2005-03-15Mechanically opened ball seat and expandable ball seat
#11 | 2005-01-13Hydraulic setting tool for liner hanger
2275318 ⎘