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Class Information
Number: 73/49.1
Name: Measuring and testing > With fluid pressure > Leakage > Pipe
Description: Subject matter for testing for leakage of a pipe section.

Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8701467 Flange fitting with leak sensor port Apr. 22, 2014
8650934 Testing system for connectors Feb. 18, 2014
8646314 Externally engaging test barrier Feb. 11, 2014
8640527 Pipeline leakage-sensing device Feb. 4, 2014
8548754 Flowmeter Oct. 1, 2013
8499617 Dual submarine leak detection system Aug. 6, 2013
8479565 Fluid conveying tube and fluid leakage detecting system Jul. 9, 2013
8479566 Pipeline leak detection system Jul. 9, 2013
8436738 Method and apparatus for appliance gas leak detection May. 7, 2013
8381578 Subsea pipeline service skid Feb. 26, 2013
8342006 Method and device for detecting and/or quantifying water leaks Jan. 1, 2013
8327689 Fueling system vapor recovery and containment performance monitor and method of operation thereof Dec. 11, 2012
8291928 Vacuum-actuated shear valve device, system, and method, particularly for use in service station environments Oct. 23, 2012
8289173 Leak detection band Oct. 16, 2012
8281645 Leak detection apparatus Oct. 9, 2012
8256270 Pipeline pressure tool Sep. 4, 2012
8234911 Method and apparatus for detecting a leak in a double pipe Aug. 7, 2012
8215844 Debris resistant bearing system and method Jul. 10, 2012
8200737 System to facilitate pipeline management, program product, and related methods Jun. 12, 2012
8186202 Pressure testable tubing connection May. 29, 2012
8151637 Apparatus and method for testing engine air intake systems Apr. 10, 2012
8109298 Aircraft duct system Feb. 7, 2012
8109131 Meter register transmitting flow rate warning Feb. 7, 2012
8096167 Acoustic leak detector with noise cancellation Jan. 17, 2012
8076928 System and method for in-situ integrity and performance monitoring of operating metallic and non-metallic natural gas transmission and delivery pipelines using ultra wideband point-to point an Dec. 13, 2011
8078215 Waveguide-based wireless distribution system and method of operation Dec. 13, 2011
RE42909 Knock-out pressure test cap with breakaway nipple plug Nov. 15, 2011
7987698 Gas leak detection apparatus and method Aug. 2, 2011
7960978 Method for providing leak detection in pre-insulated piping Jun. 14, 2011
7946309 Vacuum-actuated shear valve device, system, and method, particularly for use in service station environments May. 24, 2011
7918122 Container transport system and measurement container Apr. 5, 2011
7908118 System and methods for testing, monitoring, and replacing equipment Mar. 15, 2011
7856865 Method and system for controlling quality and tracking parts for repair and replacement of a piping system Dec. 28, 2010
7845211 Apparatus and method for forming and testing lengths of pipe Dec. 7, 2010
7830273 Sensor networks for pipeline monitoring Nov. 9, 2010
7810378 Monitoring of leakage in wastewater force mains and other pipes carrying fluid under pressure Oct. 12, 2010
7779676 Apparatus and method for testing or isolating a pipe segment with magnetically actuated sealing means Aug. 24, 2010
7752904 Structures with integral life-sensing capability Jul. 13, 2010
7705747 Sensor networks for monitoring pipelines and power lines Apr. 27, 2010
7681435 Arrangement for monitoring the leak-tightness of an evacuated space Mar. 23, 2010
7647819 Apparatus for testing a rupture strength of a pipe Jan. 19, 2010
7613584 Methods, systems and computer program products for automatically detecting leaks in a hydrant fuel piping system Nov. 3, 2009
7591285 Pipeline configuration for the transport of a liquid, especially petroleum Sep. 22, 2009
7555936 Hydraulic hose with integral life-sensing capability and method therefor Jul. 7, 2009
7555935 End-of-line zone integrity detection for a piping network in a secondary containment monitoring and leak detection system Jul. 7, 2009
7549322 System and method for detecting a leak in a piping system Jun. 23, 2009
7526944 Remote monitoring of pipelines using wireless sensor network May. 5, 2009
7516649 System and method for determining duct leakage and fan flow efficiency Apr. 14, 2009
7509841 Flexible leak detection system and method for double carcass hose Mar. 31, 2009
7469573 Methods and apparatus for determining the position of an obstruction in a passage Dec. 30, 2008

1 2 3 4 5 6

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