Thomas P Keyes

US Patent:

6978807, Dec 27, 2005

Filed:

Mar 25, 2005

Appl. No.:

11/090649

Inventors:

Thomas Joseph Keyes - Fort Worth TX, US

Assignee:

Thermacor Process, LP - Fort Worth TX

International Classification:

F16L059/14

US Classification:

138149, 138148, 138113, 138112, 285 47

Abstract:

A high temperature pre-insulated piping system is shown which has a special water stop located along the length of the piping. The water stop has an internal disk which forms a pair of isolated regions within the water stop. The internal disk is formed of a material which is impervious to the flow of water. As a result, the two internal regions are isolated from one another and act as isolating elements to contain any breach in the exterior of the piping system to a specific location in the length of the pipe string.

US Patent:

7028717, Apr 18, 2006

Filed:

Mar 25, 2005

Appl. No.:

11/090431

Inventors:

Thomas Joseph Keyes - Fort Worth TX, US

Assignee:

Thermacor Process, LP - Fort Worth TX

International Classification:

F16L 59/14

US Classification:

138149, 138148, 138113, 138112, 285 47

Abstract:

A high temperature pre-insulated piping system is shown which has a special water stop located along the length of the piping. The water stop has an internal disk which forms a pair of isolated chambers within the water stop. The internal disk is formed of a material which is impervious to the flow of water. As a result, the two internal chambers are isolated from one another and act as isolating elements to contain any breach in the exterior of the piping system to a specific location in the length of the pipe string.

US Patent:

7032621, Apr 25, 2006

Filed:

Sep 20, 2004

Appl. No.:

10/945175

Inventors:

Thomas Joseph Keyes - Fort Worth TX, US

Assignee:

Thermacor Process, LP - Fort Worth TX

International Classification:

F16L 9/22

US Classification:

138120, 138149, 138155, 138118, 138145, 285 45, 285228, 285299

Abstract:

A high temperature pre-insulated piping system is shown which can withstand conveyance temperatures in excess of 250 F. The piping system includes a first and second length of insulated and jacketed pipe. Each pipe length includes an inner metal pipe having an interior surface and an exterior surface and having an envelope of foamed insulation surrounding the inner pipe exterior surface. A special release agent is applied between the metal pipe exterior and the surrounding layer of foamed insulation. The release agent causes intentional disbondment of the foamed insulation layer from the inner metal pipes under certain conditions of environmental stress.

US Patent:

7037557, May 2, 2006

Filed:

May 19, 2003

Appl. No.:

10/440872

Inventors:

Thomas Joseph Keyes - Fort Worth TX, US

Assignee:

Thermacor Process, LP - Fort Worth TX

International Classification:

B05D 5/00

US Classification:

427243, 427244, 427247, 138146, 138149

Abstract:

A high temperature pre-insulated pipe system is shown which can withstand conveyance temperatures in excess of 250 F. The pipe system includes a first and second length of insulated and jacketed pipe. Each pipe length includes an inner metal pipe having an interior surface and an exterior surface and having an envelope of foamed insulation surrounding the inner pipe exterior surface. A thermally protective coating layer is applied between the metal pipe exterior and the surrounding layer of foamed insulation. The thermally protective layer effectively lowers the interface temperature between the inner metal pipe and outer foamed layer to prevent disbondment of the outer foamed layer as the temperature of the inner pipe increases.

US Patent:

7143788, Dec 5, 2006

Filed:

Sep 20, 2004

Appl. No.:

10/945174

Inventors:

Thomas Joseph Keyes - Fort Worth TX, US

Assignee:

Thermacor Process, LP - Fort Worth TX

International Classification:

F16L 11/00

US Classification:

138120, 138149, 138118, 285 45, 285226, 285228

Abstract:

An flexible coupling is shown for an insulated piping system of the type used to convey steam and other high temperature fluids. The coupling uses a flexible bellows and additional insulating and joining components to couple conventional lengths of insulated pipe. The bellows arrangement compensates for any relative movement of the inner fluid conveying pipes with respect to the outer layers of insulating material and outer jacket in order to protect the integrity of the assembly and prevent the intrusion of water or other contaminants which could lead to corrosion or early failure of the piping system.

US Patent:

7418979, Sep 2, 2008

Filed:

Jan 19, 2007

Appl. No.:

11/655446

Inventors:

Thomas Joseph Keyes - Fort Worth TX, US

Assignee:

Thermacor Process, L.P. - Fort Worth TX

International Classification:

F16L 9/22

US Classification:

138120, 138149, 138155, 138118, 138145, 285 45, 285228, 285299

Abstract:

The present invention relates generally to an apparatus and method for preventing disbondment in an insulated piping system that is used for conveying high temperature fluids. More specifically, an external slip wrap is shown, capable of surrounding the outer protective jacket of the insulated piping system at a location along the piping before an elbow shaped or angular change in direction. The slip wrap comprises a loosely received outer sleeve which surrounds the outer protective jacket of the piping without being bonded thereto, thereby allowing the insulated and jacketed pipe to move axially relative to the slip wrap for a selected distance once the pipe is buried in the ground.

US Patent:

7960978, Jun 14, 2011

Filed:

Oct 21, 2008

Appl. No.:

12/255210

Inventors:

Thomas Joseph Keyes - Fort Worth TX, US

Assignee:

Thermacor Process, LP - Fort Worth TX

International Classification:

G01R 27/08

US Classification:

324694, 138104, 138149, 73 491

Abstract:

A method is shown for providing status detection, in particular leak detection, in a pre-insulated pipeline for the transportation of media, in particular, steam or hot water. The pipeline has an inner medium-carrying pipe, a surrounding heat-insulating layer of bonded foam, and an outer protective polyolefin jacket. A special length of polymer coated wire is included as a part of the normal bare conductor wire which is used as a part of the electrical sensing system of the pipeline and is used to by-pass various obstructions in the foamed insulation of the pipeline. The insulated length of the coated wire is heat fused at points of egress and ingress through the outer polymeric jacket with the compatible materials of the coated wire and jacket forming a water tight seal.

US Patent:

8033754, Oct 11, 2011

Filed:

Aug 19, 2009

Appl. No.:

12/543825

Inventors:

Thomas Joseph Keyes - Fort Worth TX, US

Assignee:

Thermacor Process, L.P. - Fort Worth TX

International Classification:

F16L 1/028

US Classification:

4051844, 405184, 4051541

Abstract:

An installation technique is shown for use with a pre-insulated steam piping system having an inner steel carrier pipe surrounded by a layer of foam insulation and then by an outer protective jacket. An expansion loop is used to create an artificial low point in the overall pipeline which allows the pipeline to avoid a buried obstruction without the necessity of increasing the depth of the remaining portion of the pipeline on either side of the loop. The expansion loop has a pair of oppositely arranged side legs which are joined by a cross-leg portion of the loop, the cross-leg portion of the loop being angled downwardly at a predetermined angle, to thereby provide a change in elevation which avoids the buried obstruction in the pathway of the pipeline.