Patents for G01M 3 - Investigating fluid tightness of structures (22,573)
07/1989
07/04/1989US4845472 Leak sensing alarm and supply shut-off apparatus
07/04/1989US4845360 Counterflow leak detector with high and low sensitivity operating modes
06/1989
06/28/1989EP0322101A1 A detection system for acid or alkali
06/27/1989US4843327 Branched sensor system
06/27/1989US4843305 Spacer-separated liquid leakage sensor
06/27/1989US4841763 Package seal inspection system
06/27/1989US4841603 Reclosable seams for fluid-tight applications
06/20/1989US4841149 Device for detecting micro-leaks of gas by infrared radiations
06/20/1989US4840283 Double shell thickener
06/20/1989US4840058 Method of leak testing a cavity
06/15/1989WO1989005514A1 Counterflow leak detector with high and low sensitivity operating modes
06/15/1989WO1989005446A1 A detection system for acid or alkali
06/13/1989US4838073 Method and apparatus for detecting leaks
06/08/1989DE3740137A1 Method of protecting water circuits in buildings connected directly to district heating networks
06/07/1989EP0319399A1 Leak detecting device for a fluid flow circuit
06/07/1989EP0319200A1 A leak detecting system
06/07/1989EP0319179A1 Jet nozzle for propelling an apparatus along a conduit and apparatus provided with such a jet nozzle
06/07/1989EP0318493A1 A test device for a porous loads sterilizer.
06/06/1989US4837707 Container inspection apparatus
06/06/1989US4836710 Underground tank with leak detection mechanism
06/06/1989US4836013 Device intended for testing the mechanical strength of pressurized containers in a hot condition
06/01/1989WO1989004956A1 Method for monitoring thinning of pipe walls
06/01/1989WO1989004686A1 Angioplasty dilating guide wire
05/1989
05/31/1989EP0242353B1 Electric pressure detector provided with a leak indicator
05/30/1989US4835717 Intelligent line pressure probe
05/30/1989US4835522 Tank inventory and leak detection system
05/30/1989US4835521 Fluid status detector
05/30/1989US4834137 Safety device for vessels of compressed gases
05/30/1989CA1254763A1 High pressure container tester
05/24/1989EP0317483A1 Method for determining the reliability of male contraceptives
05/24/1989EP0317255A2 Leak detecting apparatus
05/24/1989EP0316551A2 Light transmitting-type liquid detection sensor
05/23/1989US4831870 Method and apparatus for vacuum testing glass bulbs for sprinklers
05/17/1989EP0175698B1 High speed hot air leak sensor
05/16/1989US4831360 Fluid status detector
05/16/1989CA1254306A1 Small component helium leak detector
05/10/1989EP0315356A2 Tank inventory and leak detection system
05/10/1989EP0315199A2 Ultrasonic transducer and current loop transmitter
05/09/1989US4828782 Apparatus and method for inspection of fuel assemblies
05/09/1989US4827762 System and method for automatically monitoring liquid volume changes in storage tanks
05/05/1989WO1989003982A1 Leak detection system
05/03/1989EP0313790A2 Arrangement for monitoring and testing for leaks, in particular sensitive to liquid leaks
05/03/1989EP0313678A1 Method and device for testing the tightness of a hollow body and utilisation of the method
05/02/1989US4825687 Storage tanks having formed inner tank for primary containment
05/02/1989US4825686 Vaginal Diaphragm testing
04/1989
04/27/1989DE3735000A1 Device for testing the tightness of drainage pipes
04/26/1989EP0313264A1 A liquid leakage sensor
04/26/1989EP0313262A1 An attachment bracket for a liquid leakage sensor used in drain openings
04/26/1989EP0312714A1 Monitoring method for metallurgic containers
04/26/1989CN1004029B Detecting leakage of heat exchanger in operation
04/25/1989US4825198 Method of and apparatus for testing the tightnesses of two valves arranged in a fluid line
04/25/1989US4823600 Ultrasonic transducer and current loop transmitter
04/20/1989WO1989003521A1 Container leak detector
04/19/1989EP0312329A1 Attachment ring for a liquid leakage sensor used in drain openings
04/18/1989US4823116 Fluid detector
04/18/1989US4821559 Line test isolation plug
04/18/1989CA1252846A1 Sensor cable
04/12/1989EP0311475A1 Device for leak testing a container for holding a fluid under pressure
04/12/1989EP0311443A2 Method for checking the pressure in closed bottles containing a liquid and arrangement for execution of said method
04/05/1989EP0310526A1 Method and device for controlling the pressure on a seal or within a container
04/04/1989US4818976 Device for monitoring hydrocarbons in groundwater
04/04/1989US4817415 Fluid line leak detector
03/1989
03/29/1989EP0309122A2 Apparatus and method for testing
03/23/1989WO1989002588A1 Leak inspection method of sealing container or sealed member
03/23/1989DE3730356A1 Sensors for determining leakages of non-conductive liquids
03/23/1989DE3729726A1 Membrane machine unit
03/22/1989EP0307615A2 Device for the non-destructive detection of damaged bridges, reservoir and flat-roof sealings
03/21/1989US4813712 Indicating the condition of a surface
03/21/1989US4813456 Hydraulic flange seal clamp
03/21/1989US4813285 Apparatus for establishing a clean interface in a leak detector
03/21/1989US4813284 Method for establishing a clean interface in a leak detector in an above ground storage tank
03/21/1989US4813277 Method for collecting magnetizable particles in an above ground storage tank
03/21/1989US4813275 Leak detection method and device
03/21/1989US4813269 Magnetic interface contaminant collector for leak detector in above ground tank
03/21/1989US4813268 Leakage detection apparatus for drum wheels and method therefore
03/16/1989DE3729817A1 Device for testing pipes
03/15/1989EP0218653B1 System for the internal inspection of pipelines
03/14/1989US4812014 Water absorbent covering, expansion restraint
03/14/1989US4811601 Method and apparatus for measuring the change in volume with change in temperature of liquid in tanks
03/08/1989EP0306467A1 Automatic cut-off device for a double-walled fluid transporting network
03/08/1989EP0306239A2 Liquid leakage sensor
03/08/1989EP0306183A2 Oil leakage sensor
03/08/1989EP0305768A2 Apparatus for determining the humidity near the floor of a lorry
03/08/1989CN2033900U Portable vacuum leak detector for weld seams on pipeline
03/07/1989US4811252 Leakage test equipment
03/07/1989US4809542 Leak testing device for pressure vessels
03/07/1989US4809538 Ultrasonic leak detector
03/01/1989CN2033510U Pocket-size disconnected halogen leak detector
02/1989
02/28/1989US4807464 Leak detector apparatus and method
02/23/1989DE3727224A1 Measuring arrangement for locating leakage defects in cables
02/23/1989DE3726585A1 Method for locating noises from leaks, and device for carrying out the method
02/22/1989EP0303776A2 Ultrasonic energy generator
02/21/1989US4806913 Gas detector for measuring coacting surfaces
02/21/1989US4805445 Process for monitoring the leaktightness of a storage facility
02/21/1989US4805444 Secondary containment system
02/16/1989DE3726069A1 Framework
02/16/1989DE3725739A1 Leak testing of plastic beaker with welded on lid - measuring upward lid curvature when external pressure is reduced on e.g. dairy product containers
02/15/1989EP0303303A1 A method and an apparatus for detecting a possible leak in a vacuum package
02/14/1989US4803868 Hermetically sealed package tester
02/09/1989WO1989000681A3 Moisture presence alarm system