Harold F Booles

US Patent:

6889538, May 10, 2005

Filed:

Oct 2, 2003

Appl. No.:

10/676033

Inventors:

Harold F. Booles - Little Rock AR, US

Assignee:

Varco I/P, Inc. - Houston TX

International Classification:

G01M003/04
G01M003/08
F16L035/00

US Classification:

73 405R, 73 491, 73 495, 285 93

Abstract:

A monitoring system for leak prevention and leak detection in a pipe line through which a liquid, particularly a petroleum product, passes. The system includes a fitting having two ports. Both ports are connected to an interstitial area surrounding the pipe through which the liquid passes. One port is also connected to a liquid leakage detection device and the other port is connected to a device for preventing liquid leakage to the ambient area.

US Patent:

55566790, Sep 17, 1996

Filed:

Apr 15, 1994

Appl. No.:

8/228476

Inventors:

Harold F. Booles - Little Rock AR

Assignee:

A. O. Smith Corporation - Milwaukee WI

International Classification:

G01M 300

US Classification:

428 3691

Abstract:

A dual pipe installation comprising a sump including a wall having inner and outer surfaces, and an opening extending there between, a pipe assembly extending into the sump and comprising an outer flexible pipe extending lengthwise and being defined by an endless wall which includes a plurality of corrugations in serially adjacent lengthwise relation, and a lengthwise inwardly open channel, and an inner flexible pipe which extends within the outer pipe, which is defined by an endless wall defining an interior and including a plurality of corrugations in serially adjacent lengthwise relation, and a projecting end portion extending axially outwardly beyond the end of the outer pipe and having an outer end, and which defines, with the outer pipe, an annular space.