Robert W Parish

US Patent:

56429126, Jul 1, 1997

Filed:

Oct 24, 1994

Appl. No.:

8/327556

Inventors:

Robert O. Parish - Cleveland TX

Assignee:

TTI Trenchless Technologies, Inc. - Conroe TX

International Classification:

E21B 3112
B66C 110

US Classification:

294 8612

Abstract:

The present invention is directed to an attachment for a plastic pipe, usually polyethylene pipe, to a head for pulling the pipe into a sewer or other utility line. The present invention is also directed to a slip lining head. More specifically, the present invention is directed to a slip lining head which includes the unique attachment for a plastic pipe used in the repair/replacement of sewer and other utility lines.

US Patent:

59481897, Sep 7, 1999

Filed:

Dec 5, 1997

Appl. No.:

8/985636

Inventors:

Robert Owen Parish - Cleveland TX
Joseph G. Gho - Vancouver, CA
Randall Jeff Kozak - Surrey, CA
Garry Joseph Anderson - Vancouver, CA

Assignee:

Global Utility Technologies Ltd. - London

International Classification:

B32B 3100
B29C 6500
B65H 8100
G01C 2100

US Classification:

156 64

Abstract:

The present invention is directed to a method and apparatus for fusing a sidewall pipe onto a host pipe using pneumatic equipment. The functions of the fusing apparatus are controlled by a programmable computer. Further, as each fuse is performed, a GPS system provides and stores the geographical location of the fuse.

US Patent:

44228007, Dec 27, 1983

Filed:

Nov 21, 1980

Appl. No.:

6/208981

Inventors:

Robert O. Parish - Houston TX

Assignee:

Doc's Road Boring, Inc. - Houston TX

International Classification:

E21C 900
E21C 2300

US Classification:

405184

Abstract:

Disclosed is a method of installing a conduit in the earth below a grade which includes the steps of pulling a cable through the earth along the course to be traveled by the conduit and marking the ends of the cable.

US Patent:

61561398, Dec 5, 2000

Filed:

Jun 25, 1999

Appl. No.:

9/344065

Inventors:

Robert Owen Parish - Cleveland TX
Joseph G. Gho - Vancouver, CA
Randall Jeff Kozak - Surrey, CA
Garry Joseph Anderson - N. Vancouver, CA

Assignee:

Global Utility Technologies Ltd. - London

International Classification:

B32B 3500
B29C 3500
G05G 1500
B29B 1300
G01C 2100

US Classification:

156 64

Abstract:

The present invention is directed to a method and apparatus for fusing a sidewall pipe onto a host pipe using pneumatic equipment. The functions of the fusing apparatus are controlled by a programmable computer.

US Patent:

56285850, May 13, 1997

Filed:

Apr 28, 1995

Appl. No.:

8/433259

Inventors:

Robert O. Parish - Cleveland TX
Cleve C. Reber - Pasadena TX

Assignee:

TTI Trenchless Technologies, Inc. - Conroe TX

International Classification:

F16L 100
E21D 106

US Classification:

405154

Abstract:

The present invention is directed to a method for removing a utility pipe or main and replacing the main with a polyolefin pipe. More specifically, the unique apparatus or system of the present invention includes a rotating head connected to a plurality of pipe joints to remove the old pipe, usually concrete or tile, by cutting, chipping and grinding. The head has an outer periphery of roller bits which cut, chip and grind the old pipe or earth into pieces which pass inwardly through the head. Behind the head is a non-rotating member which opens and packs the hole formed by the head for the replacement polyolefin pipe which is pulled into the hole by the member.

US Patent:

60477571, Apr 11, 2000

Filed:

Mar 10, 1998

Appl. No.:

9/037823

Inventors:

Robert Owen Parish - Cleveland TX
Joseph G. Gho - Vancouver, CA
Randall Jeff Kozak - Surrey, CA
Garry Joseph Anderson - Vancouver, CA

Assignee:

Global Utility Technologies Ltd. - London

International Classification:

B29C 6520

US Classification:

156499

Abstract:

The present invention is directed to an apparatus for fusing a sidewall pipe onto a host pipe at an angle of less than 90. degree. The apparatus prevents the angled sidewall pipe from migrating during the fusing operation. Also provided is a radius cutter for cutting the radius of the angled sidewall pipe to match the concave upper surface of the host pipe.

US Patent:

55929931, Jan 14, 1997

Filed:

Apr 28, 1995

Appl. No.:

8/431106

Inventors:

Robert O. Parish - Cleveland TX
Cleve C. Reber - Pasadena TX

Assignee:

TTI Trenchless Technologies, Inc. - Conroe TX

International Classification:

E21B 302
E21B 702

US Classification:

175162

Abstract:

The present invention is directed to an auger attachment which is mounted on the stick of a backhoe which provides directional capabilities to the auger. More specifically, the auger attachment includes an outer body, an inner telescoping body and a piston within the inner body which provides all the lift to the auger.