Calgary
Canada
8
2017-07-20
The entities that hold a legal rights for patent applications filed by inventor Yin Minhao:
Minhao Yin from Calgary, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
METHODS OF MECHANIZED AND AUTOMATED TRIPPING OF RODS AND TUBULARS
#2 | 2016-06-30Pump jack system and method
#3 | 2014-06-05Mechanized and automated well service rig system
#4 | 2014-05-22Mechanized and automated catwalk system
#5 | 2014-05-22Rod and tubular racking system
#6 | 2014-05-22Methods of mechanized and automated tripping of rods and tubulars
#7 | 2014-05-22Mechanized and automated well service rig
#8 | 2014-05-22Tong system for tripping rods and tubulars
767025 ⎘