Hydraulic Engineering

# Status Description
1998066368 Ceased Device for controlling a liquid flow
2002035608 Ceased Device for controlling a liquid flow
2007278234 Granted A hydraulic connection assembly with a pressure discharge control, positionable between an onboard hydraulic circuit of an engineering vehicle and a removable hydraulic equipment
1994057840 Lapsed Wheel suspension system
2008314315 Lapsed Thermohydraulic method for increasing the pressure of diverse working fluids and application thereof
2015201743 Filed Hydraulic Point Throw (HPT) for railway switch blades
1991089196 Ceased Cup-shaped hydraulic-cylinder unit
2006243875 Granted Hydraulic systems for mining vehicles
2007216811 Granted Hydraulic systems for mining vehicles
1992021020 Ceased A cotton module transporter
1994062951 Lapsed Hydraulic wedge device
1998092800 Ceased Hydraulic excavator
1999055374 Ceased A device and method for regulating fluid flow in a well
1997028590 Ceased Hydraulic valve
1999064363 Lapsed Wrapping apparatus and method
1991090018 Ceased Safety valve
2013205798 Granted HEAVE COMPENSATION AND TENSIONING APPARATUS, AND METHOD OF USE THEREOF
2014221196 Granted COILED TUBING LIFT FRAME ASSEMBLY AND METHOD OF USE THEREOF
2015100331 Granted HEAVE COMPENSATION AND TENSIONING APPARATUS, AND METHOD OF USE THEREOF
2015100333 Granted COILED TUBING LIFT FRAME ASSEMBLY AND METHOD OF USE THEREOF