Patents for G01M 3 - Investigating fluid tightness of structures (22,573)
05/1994
05/11/1994DE4237477A1 Tube with leak monitor, esp. for carrying conducting, corrosive liquids - contains sensor and return wires of leak detector in or on lining connecting inner and outer layers
05/11/1994CA2102338A1 Leak detection and responsive treatment in industrial water processes
05/10/1994US5309752 Leakage measurement into a gas-charged collapsible container
05/10/1994US5309750 Pouch tester
05/10/1994CA1329340C Leak detection system
05/05/1994DE4236479A1 Leakage testing device for vehicle pneumatic tyre - detects air leakage when inside face of tyre or tyre fragment is subjected to high pressure
05/04/1994CN2164039Y Leakage-detecting suction gun
05/03/1994US5308162 Temperature abnormality detecting structure for fluid pipe
05/03/1994US5307685 Pressure tester and method of testing therewith
05/03/1994US5307669 Method for testing a waterproof casing
04/1994
04/28/1994WO1994009372A1 Method and apparatus for tracing fluid-borne particles
04/28/1994DE4308324C1 Continuous inspection of reusable plastic bottles - involves sealing bottle mouth, increasing internal pressure, measuring pressure, remeasuring pressure and comparing with first reading
04/27/1994CN2163380Y Pipe sealing experimental apparatus
04/26/1994US5307139 Apparatus and method for detecting leaks in packages
04/26/1994US5305798 Two-wall leakage detection system for a pipe
04/26/1994US5305642 Portable high precision pressure transducer system
04/21/1994DE4234643A1 Device for testing pipeline sealing - has sealing sleeve in head with groove and foam seal element filled with gel, with gel chamber connected to seal
04/19/1994US5304800 Leak detection and responsive treatment in industrial water processes
04/19/1994US5304757 Combination differential and static pressure switch
04/19/1994US5303752 Saw tooth holder
04/19/1994US5303577 Method and apparatus for detecting leaks in liquid storage tanks
04/19/1994US5303576 Method of testing for leaks in a closed fluid filled system and system tested by such method
04/14/1994WO1994007729A1 Brake testing system
04/13/1994EP0591886A2 Apparatus for detecting abnormality of gas supply equipment and method for detecting same
04/13/1994EP0591294A1 Gas and/or liquid tubular duct.
04/12/1994US5303203 Method for reducing noise effects in acoustic signals transmitted along a pipe structure
04/12/1994US5301538 Process and apparatus for distributed wide range leak detection, location and alarm for pollutants
04/12/1994US5301537 Method for detecting halocarbon refrigerant leaks by usage of a continually heated mass spectrometer
04/06/1994EP0591118A1 A liquid indicator
04/06/1994EP0590654A1 Apparatus and method for deodorizing a vehicle and for detecting air leaks
04/06/1994EP0590280A1 Ultrasonic procedure and device for locating leaks
04/06/1994EP0590279A1 Ultrasonic procedure and device for locating leaks
03/1994
03/31/1994DE4232245A1 Long-term temp monitoring device for pipeline or rubbish deposit - uses spaced temp. responsive devices providing warning signal when max. temp. threshold is exceeded
03/31/1994CA2106951A1 Apparatus and method for deodorizing a vehicle and for detecting air leaks
03/29/1994US5297896 Environmentally safe underground piping system
03/29/1994US5297423 Storage tank and line leakage detection and inventory reconciliation method
03/29/1994US5297422 Tracer-gas leak detector
03/24/1994DE4231896A1 Seal testing, esp. for flat seals - detecting changes in electrical characteristics caused by defects using point or small area probe in electrical circuit
03/24/1994DE4231233A1 Container for liquid materials with leakage warning indicator - is designed with double walled base and side walls so that it is suitable for receiving special refuse
03/23/1994CN1084220A Method for detecting leakage of blast furnace soft water sealed circulation cooling system
03/22/1994US5295760 Testable bulkhead
03/22/1994US5295392 Pipe testing equipment
03/22/1994US5295391 Method and apparatus for detecting leaks in the ullage of a liquid storage tank
03/17/1994WO1994006020A1 Leakage detection method in automatic pipetting apparatus
03/17/1994WO1994005992A1 Gas leak sensor system
03/17/1994WO1994005991A1 Method of testing containers, use of the method and a test device for carrying out the method
03/17/1994WO1994005990A1 Counterflow leak-detector unit with a high-vacuum pump
03/17/1994WO1994005989A1 Process and device for inspecting and/or servicing and repairing subsidiary canals branching off from a main drain
03/17/1994DE4230022A1 Gas leakage testing sniffer using helium@ - forms entrance to capillary tube leading to mass spectrometer as funnel shape, and specifies inlet dia. to be ten times greater than dia. of capillary, and angle between inlet and funnel between twenty and sixty degrees
03/16/1994EP0586894A2 Method and device for testing the tightness of filled vessels closed by sealed or welded cover and similar vessels
03/16/1994CN2159021Y Household gas leakage-detecting device
03/15/1994US5294909 Resistive sensor for position detection of manifold failures
03/15/1994US5293771 Gas leak sensor system
03/10/1994DE4229787A1 Underground drainage channel inspection probe for auxiliary conduits of narrow cross=section - feeds water at high pressure through nozzles located around ring at end of hose, to generate reaction force to propel probe camera through conduit
03/08/1994US5293095 Air pressure variation detector
03/03/1994WO1994004902A1 Vaccum meter for integral tightness check by means of light gasses
03/03/1994WO1994004901A1 Vacuum leak detector for leak detection using light test gases
03/03/1994WO1994004900A1 Recovery boiler leak detection system and method
03/03/1994DE4228313A1 Gegenstrom-Lecksucher mit Hochvakuumpumpe Counterflow leak detector with high vacuum pump
03/03/1994DE4228149A1 Vakuum-Meßgerät für die integrale Dichtigkeitskontrolle mit leichten Gasen Vacuum gauge for the integral leak test with light gases
03/03/1994DE4228148A1 Vakuum-Lecksuchgerät für die Testgaslecksuche mit leichten Gasen Vacuum leak detector for the test gas leak detection light gases
03/02/1994EP0584924A1 A fuel dispensing system
03/02/1994EP0584584A2 Procedure and device for detecting a light test gas in a liquid
03/02/1994EP0584469A1 Method and apparatus for lining outdoor fluid containment areas
03/02/1994CN1083211A Leakage testing system and method for closed soft water cooling loop of blast furnace
02/1994
02/24/1994DE4226613C1 Hermeticity testing of casing cementation - of gas storage cavern, with stored medium level change compensation
02/24/1994DE4223902A1 Air and fluid leakage detector and warning system for single-walled chemical storage tanks - has microcomputer for monitoring pressure rise and fall in vacuum-pumped test space surrounding container
02/23/1994EP0583708A1 Procedure and device for calibrating a ultrasonic system for locating leaks
02/22/1994US5288168 Method and apparatus for lining outdoor fluid containment areas to facilitate electrical leak detection
02/22/1994US5287884 Water flow monitoring system for determining the presence of leaks and stopping flow in plumbing pipes
02/22/1994US5287730 Plumbing leakage test apparatus and method of use
02/22/1994US5287729 Closed containers
02/22/1994US5287727 Fixture for pressure testing sight glasses
02/22/1994US5287726 For purging coolant lines of transformers and/or dynamoelectric stators
02/20/1994CA2104332A1 Method and apparatus for ultrasonic leak location
02/20/1994CA2104325A1 Method and apparatus for calibrating an ultrasonic leak location
02/20/1994CA2104322A1 Method and apparatus for ultrasonic leak location
02/17/1994WO1994003789A1 Method and apparatus for monitoring above ground liquid storage tanks for leaks
02/17/1994WO1994003752A1 Connecting device for pipe assemblies
02/17/1994DE4226921A1 Quasi-continuous leakage testing - supplying rapidly-diffusing reducing hydrogen gas to one side of component, and providing enclosed space contg. oxidising mixture at opposite side, and sensing reaction between gases using catalytic gas sensor
02/17/1994CA2142107A1 Connecting device for pipe assemblies
02/16/1994EP0583222A1 Procedure for testing the continuity of the webs of multiple chamber hollow profiles
02/16/1994EP0582725A1 Piping system for leak detection
02/15/1994US5285678 Container seal testing and pressurization
02/09/1994EP0582531A2 Method for testing the tightness of a drain channel or a network of drain channels and installation for carrying out the method
02/08/1994US5284003 Machine for conditioning product in a sealed bag
02/08/1994CA1326891C Hydrocarbon sensor
02/03/1994WO1994002822A1 Device and method for inspection of status of insulating layer
02/03/1994WO1994002821A1 Storage tank and line leakage detection and inventory reconciliation method
02/03/1994WO1994002820A1 Water sensor that detects tank or vessel leakage
02/03/1994WO1994002819A1 Apparatus and method for testing condoms as barriers to virus penetration
02/03/1994WO1994002772A1 Leak detection for liquid hoses
02/03/1994WO1993021507A3 Moisture sensing signal generator
02/02/1994EP0581551A2 A method and apparatus for testing bag-like means
02/02/1994EP0580903A1 Two-wall leakage detection system for a pipe
02/01/1994US5283552 Water plumbing instrumentation and control system for recreational vehicles and marine vessels
01/1994
01/29/1994CA2101400A1 Method and apparatus for testing bag-like means
01/27/1994DE4224419A1 Pipe seal for testing water-tightness of drinking water or waste pipes - has sealing unit containing two for more membranes which contact pipe wall when under pressure
01/26/1994EP0580524A1 Seal leakage monitoring device and method
01/26/1994EP0580298A2 Flow detecting systems