Assignee
TEXAS DYNAMATICS
7 patents
Top patents by PatentIndex Score
US4007797AFeb 15, 1977
Device for drilling a hole in the side wall of a bore hole
TEXAS DYNAMATICS214 citations98
US3983948AOct 5, 1976
Method and apparatus for indicating the orientation of a down hole drilling assembly
TEXAS DYNAMATICS71 citations94
US3967680AJul 6, 1976
Method and apparatus for actuating a downhole device carried by a pipe string
TEXAS DYNAMATICS64 citations94
US4027282AMay 31, 1977
Methods and apparatus for transmitting information through a pipe string
TEXAS DYNAMATICS48 citations90
US3958678AMay 25, 1976
Roller clutch
TEXAS DYNAMATICS20 citations80
US4034833AJul 12, 1977
Roller clutch
TEXAS DYNAMATICS15 citations71
US3964558AJun 22, 1976
Fluid actuated downhole drilling device
TEXAS DYNAMATICS29 citations69