Spring, Texas
United States
5
2019-07-04
The entities that hold a legal rights for patent applications filed by inventor Pfaff Shane W.:
Shane W. Pfaff from Spring, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Low-power electric safety valve
#2 | 2018-11-01Tubing retrievable injection valve assembly
#3 | 2018-01-11Tubing retrievable injection valve assembly
#4 | 2015-07-23Method and Apparatus for Inserting a Tubular String into a Well
#5 | 2013-04-04Tubing retrievable injection valve assembly
172072 ⎘