JAMES DOUGLAS THOMPSON
Pilots at Blue Cruls Way, Spring, TX

6454102, Sep 24, 2002

Mar 28, 2001

09/819833

James E. Thompson - The Woodlands TX

Ashbrook Corporation - Houston TX

B01D 3304

210386, 210396, 210400, 210783, 100118, 100153, 1986263, 1986265

A belt press having a frame with a first belt and a second belt rotatably mounted on the frame. A curved inlet guide is movably carried on the frame. The inlet guide has a decreasing radius of curvature from an inlet end to an exit end. A positioning assembly is mounted on the frame and is attached to the inlet end of the inlet guide to raise and lower the inlet end of the inlet guide.

6790351, Sep 14, 2004

Sep 17, 2003

10/664765

Yongming Xia - Kingwood TX
James E. Thompson - The Woodlands TX
Jeffrey S. Devine - The Woodlands TX

Ashbrook Corporation - Houston TX

B01D 2446

210189, 210268, 210274, 210786, 210794

A liquid filtering apparatus is placed in a vessel having a bed of filtration material and an intake for introducing unfiltered liquid, that includes a washbox, an airlifting tube extending from the washbox and including an intake end and means for introducing a primary gas to the airlifting tube, the airlifting tube passing through a central pipe, which extends from just below the washbox to a position just above the intake end. At least one screen cartridge is oriented in a generally angular downward direction in the bed and is in communication with an effluent chamber defined in part by the outer surface of the central pipe. A reject line extends from the washbox, and an effluent collector extends from the effluent chamber. A method of filtering and cleaning the filtration material is also disclosed.

6641737, Nov 4, 2003

Sep 9, 2002

10/237554

Yongming Xia - Kingwood TX
James E. Thompson - The Woodlands TX
Jeffrey S. Devine - The Woodlands TX

Ashbrook Corporation - Houston TX

B01D 2446

210676, 210677, 210678, 210786, 210792, 210794, 210798, 210189, 210268, 210274

A liquid filtering apparatus is placed in a vessel having a bed of filtration material and an intake for introducing unfiltered liquid, that includes a washbox, an airlifting tube extending from the washbox and including an intake end and means for introducing a primary gas to the airlifting tube, the airlifting tube passing through a central pipe, which extends from just below the washbox to a position just above the intake end. At least one screen cartridge is oriented in a generally angular downward direction in the bed and is in communication with an effluent chamber defined in part by the outer surface of the central pipe. A reject line extends from the washbox, and an effluent collector extends from the effluent chamber. A method of filtering and cleaning the filtration material is also disclosed.

6517712, Feb 11, 2003

Sep 27, 2001

09/966317

Yongming Xia - Kingwood TX
James E. Thompson - The Woodlands TX
Jeffrey S. Devine - The Woodlands TX

Ashbrook Corporation - Houston TX

B01D 2446

210189, 210268, 210274, 210786, 210794

An improved vertical filtration unit which includes an airlift and a washbox designed for more efficient washing of dirt particles from the filtration material. The washbox consists of a filter media shield, and a washbox skirt for washing of the filtration material. A throttling valve on the wash water discharge line regulates the overall cleaning rate of the unit. The filtered liquid is discharged via a riser pipe which feeds into a filtered liquid box before exiting the filtration unit.

6319413, Nov 20, 2001

Apr 20, 2000

9/553511

Yongming Xia - Kingwood TX
James E. Thompson - The Woodlands TX
Jeffrey S. Devine - The Woodlands TX

Ashbrook Corporation - Houston TX

B01D 2446

210676

Method of filtering liquid using a vertical filter, which includes media, an airlift, a washbox, a reject box, a filtrate chamber, and an effluent box. The method of filtration and media cleaning is automatic. The filtered liquid is collected by multi-cartridge screens before entering a filtrate chamber. The filtrate flows from the filtrate chamber into an effluent weir box. The liquid level in the filter is controlled by an effluent weir in the effluent weir box. The reject line is below the water level in the filter, which provides the driving force for the reject flow. The reject rate is controlled by liquid level in the filter tank and a throttling valve on the reject discharge line. The washbox includes a filtration material shield, a filtration material/dirtied liquid separation zone, and a washbox skirt with a washbox isolator, which prevents the dirt in the washbox form entering the influent zone.

2005002, Feb 10, 2005

Aug 7, 2003

10/635961

James Thompson - The Woodlands TX, US
James Helmick - Spring TX, US

Ashbrook Corporation - Houston TX

A23C003/04

099455000

Systems and processes are presented which reduce space requirements for pasteurization equipment. The systems include an enclosure defining a heating chamber, and a liquid flow conduit positioned within the heating chamber, the conduit having an inlet and an outlet and defining a flow path for a slurry to be pasteurized. The slurry is heated via indirect contact heat transfer from ambient temperature to a minimum temperature after the slurry is introduced into the flow conduit. The means for heating is positioned inside the heating chamber.

7025888, Apr 11, 2006

May 23, 2002

10/478611

James E. Thompson - The Woodlands TX, US
Jeffrey S. Devine - The Woodlands TX, US
Michael Combs - Houston TX, US

Ashbrook Simon-Hartley Operations, LP - Houston TX

B01D 21/24

210744, 210745, 210776, 210104, 210122, 2102421, 210540

A floating decanter and method for charging supernatant from a vesel without drawing floating solids or scum into the discharge. The decanter includes a weir () having a central opening, and a solid bottom side, a float () adjacent to an outer edge of the weir, a weir lift and drive () having at least two screw jacks () attached to the float and a attachment arm () extending to the weir, and an discharge pipe () attached to the bottom of the weir. The weir is lowered with respect to the float to discharge supernatant.