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Burns, Sr.; Patrick J.
Dallas, TX
No. of patents:

Patent Number Title Of Patent Date Issued
7277778 Control system and method for chemical injection October 2, 2007
A chemical injection system has a pump and an actuator connected to the pump. The actuator further comprises a first sensor for sensing a deactivated state of the pump; a second sensor for sensing an activated state of the pump; a computer connected to the first and second sensors an
7237470 Fluid power unit having closed circuit July 3, 2007
A fluid power unit has a cylinder in a housing, a piston slidable in the cylinder and dividing the cylinder into a retract side and an extend side, and a two-position control valve. The control valve has a spool and first and second pilots. The position of the spool is responsive to the

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