Stephen Forrest Grigory

US Patent:

59209763, Jul 13, 1999

Filed:

Jul 22, 1997

Appl. No.:

8/898724

Inventors:

Stephen Cecil Grigory - San Antonio TX
Jesse Abergo Villarreal - San Antonio TX
Jeffrey Gene Wright - Bulverde TX
Donald Wade Johnson - San Antonio TX

Assignee:

Gas Research Institute - Chicago IL

International Classification:

B23P 600

US Classification:

2940209

Abstract:

A remote pipe sealing system comprising an insertion tool and a seal apparatus for providing sealing to a damaged pipe. The sealing apparatus includes a cover member and a tool attachment member. The insertion tool includes a guide member and a handle having an outer tube and an inner shaft slidably positioned within the outer tube. The guide member is slidably associated with the outer tube. Additionally, the insertion tool includes a member for releasably attaching the tool attachment member to the inner shaft of the handle. The releasable attachment member enables releasable controlled positioning of the cover member within the outer tube of the handle. The invention further includes a method for remotely repairing damaged pipes.

US Patent:

60044128, Dec 21, 1999

Filed:

Jul 22, 1997

Appl. No.:

8/898725

Inventors:

Stephen Cecil Grigory - San Antonio TX
Glen William Deel - Crockett TX
Jesse Abergo Villarreal - San Antonio TX
Rolf Glauser - San Antonio TX

Assignee:

Gas Research Institute - Chicago IL

International Classification:

B29C 6506
F16L 55175

US Classification:

156 735

Abstract:

A sealing system for repairing an aperture or notch of a damaged plastic pipe. The sealing system comprises a patch member and an attachment tool. The patch member includes a top side, a bottom side, and comprises, in part, a thermoplastic material. The attachment tool includes a housing, a power source associated with the housing, a base member, attachment members for attaching the base member to the patch member, and members which facilitate positioning to the power source relative to the housing. The invention further includes a method of repairing an aperture or notch of a damaged plastic pipe.

US Patent:

59540958, Sep 21, 1999

Filed:

Jul 22, 1997

Appl. No.:

8/898721

Inventors:

Stephen Cecil Grigory - San Antonio TX
Jesse Abergo Villarreal - San Antonio TX
Jeffrey Gene Wright - Bulverde TX
Donald Wade Johnson - San Antonio TX

Assignee:

Gas Reasearch Institute - Chicago IL

International Classification:

F16L 5516

US Classification:

138 98

Abstract:

A pipe sealing system comprising an insertion tool and a seal apparatus for providing sealing to a damaged pipe. The sealing apparatus includes a cover member and a tool attachment member. The insertion tool includes a handle having an outer tube and an inner shaft slidably positioned within the outer tube. Additionally, the insertion tool includes an attachment region associated with the inner shaft for releasably attaching the tool attachment member to the insertion tool. The attachment region enables releasable controlled positioning of the cover member within the outer tube of the handle. The invention further includes a method for repairing damaged pipes.

Address:

981 Brookside Dr, Spring Branch, TX 78070

Phone:

8308855721

VIN:

KMHFC46F37A181535

Make:

HYUNDAI

Model:

AZERA

Year:

2007