Patents for G01M 3 - Investigating fluid tightness of structures (22,573)
09/1988
09/14/1988EP0282009A2 Fibre-optic detector for oils and solvents
09/13/1988US4771246 Method for determining the location of a leak in a pond liner formed of electrically insulating material
09/13/1988US4771181 Method for detecting dripping droplet with refracted and reflected light
09/13/1988US4770029 Valve testing method and device
09/13/1988US4770028 Hydrocarbon tank leak detection system
09/07/1988WO1988006736A1 Fluid leak detection system for determining the rate of fluid leakage through a geomembrane
09/07/1988EP0280728A1 Angioplasty dilating guide wire.
09/07/1988CN88210103U Leakage detector for composite insulation pipeline
09/06/1988US4768372 Test device, in particular for bottle-shaped containers as well as procedure for testing same
09/06/1988US4768371 Using a specific gas to bathe a device to be leak detected
08/1988
08/30/1988US4766934 Closure head for a hydraulic tube-testing bench
08/30/1988US4766765 Multiphase valve testing
08/30/1988US4766763 Gas leak detection apparatus and methods
08/30/1988US4766762 Gas regulator with leakage-detecting device
08/25/1988WO1988006282A1 A combustion leak tester
08/24/1988EP0279120A1 Container inspection apparatus
08/24/1988EP0278965A1 Universal cylinder head and engine block pressure testing unit
08/23/1988US4765178 Hydrocarbon probe
08/17/1988EP0278678A2 Method and apparatus for storage tank leak detection having temperature compensation
08/17/1988EP0278503A2 Device for monitoring and locating leaks
08/17/1988EP0278143A1 Structural monitoring system using fiber optics
08/16/1988US4764332 Sealing element and method for hydrotesting of nuclear reactor tubular elements
08/16/1988US4763511 Pipe joint sealing and testing apparatus
08/16/1988US4763510 Plug member used in hydraulic testing of plumbing system
08/10/1988EP0277458A1 Method and apparatus for testing hermetic seal integrity of sealed packages and containers
08/02/1988US4761638 Means and method for detecting presence of electrically conductive fluid
08/02/1988US4761553 Gaseous leak detector
07/1988
07/28/1988WO1988005530A1 Testing of pipelines
07/28/1988WO1988005515A1 Leakage warning device for water pipes or the like
07/28/1988DE3701130A1 Arrangement for locating leaks in flat and sloping roofs
07/27/1988EP0275467A1 Apparatus for testing the gas tightness between joints of hollow bodies
07/20/1988EP0274655A1 Tank tightness test apparatus probe
07/19/1988US4758366 Polyhalogenated hydrocarbon refrigerants and refrigerant oils colored with fluorescent dyes and method for their use as leak detectors
07/14/1988DE3700035A1 Hermetically sealed safety gas supply with automatically triggered shut-off valve in the event of leaks
07/12/1988US4756854 Dry powder comprising water soluble dye which does not migrate into painted surfaces containing polyurethanes or epoxy resins
07/12/1988US4756184 Apparatus and method for seal testing flexible containers
07/06/1988EP0172844B1 A method and a device for testing the sealing of a combustion engine
07/06/1988EP0139752B1 Pressure variation detecting type leakage inspection equipment
07/05/1988US4755757 Fluid leak detection system for determining the fate of fluid leakage through a geomembrane
07/05/1988US4754650 Apparatus and methods for measuring fluid flow parameters
07/05/1988US4754638 Apparatus and method for leak testing automotive wheel rims
06/1988
06/30/1988WO1988004775A1 Apparatus for detecting leakage by detection of pressure change
06/30/1988WO1988004774A1 A method of increasing the sensitivity of a leak detector in the probe mode
06/28/1988US4754136 Method of detecting underground tank leak
06/28/1988US4753272 Conduit closure system for closing a conduit having a gripless inner surface
06/28/1988US4753108 Apparatus for testing connections between pieces of piping for impermeability to gases
06/28/1988CA1238600A1 Equal spacing positioning apparatus
06/23/1988DE3643360A1 Method and device for monitoring the internal leakproofness of gas control valves
06/22/1988EP0271870A2 Device for leak-testing sections of a canalisation, and method for locating a leak
06/21/1988US4751841 Liquid impoundment leak rate detector
06/21/1988CA1238197A1 Film material for the checkable leakproof separation of the regions situated on its two sides
06/14/1988US4751467 System for determining liquid flow rate through leaks in impermeable membrane liners
06/14/1988US4750360 Mechanical seal tester
06/14/1988US4750350 Combustion leak tester
06/09/1988DE3641750A1 Apparatus for testing pipes
06/07/1988US4749855 Method of detecting liquid leakage
06/07/1988US4748847 Non-electrical leak detection method
06/02/1988WO1988004056A1 Method and apparatus for locating leaks in a multiple layer geomembrane
06/02/1988WO1988004031A1 Volumetric leak detection system for underground storage tanks and the like
06/01/1988EP0269596A2 A method and device for tightness control of a joint
06/01/1988EP0268777A1 Apparatus and process for detecting leaks using a tracer gas
05/1988
05/31/1988US4748094 Including glass bubbles between seal and container
05/31/1988US4747309 Structures and methods of testing them with linear microphones
05/31/1988US4747299 Method of testing a package seal
05/31/1988US4747298 Container leak detector
05/25/1988EP0267956A1 Index-sight
05/24/1988US4746911 Alarm device for isolated pipe systems
05/24/1988US4746223 Meter for integrating the operating time of a steam trap
05/24/1988US4745797 Method and apparatus for detecting hydrocarbon fuel leaks
05/19/1988DE3639476A1 Safety device at pressure lines
05/18/1988EP0267832A1 Device for testing the mechanical strength of pressurized containers at an elevated temperature
05/18/1988EP0267798A2 Multiphase valve testing
05/18/1988EP0267333A1 Fuel tank leak detection apparatus
05/03/1988CA1235957A1 Apparatus for leak testing of pipe
04/1988
04/28/1988DE3636074A1 Control and signalling system for detecting water penetrating into buildings
04/27/1988EP0264420A1 Pipeline vehicle.
04/26/1988US4740777 Programmable fluid detector
04/26/1988US4740757 Method and apparatus for locating leaks in a multiple layer geomembrane liner
04/26/1988US4739659 Applying gas-permeabale material with overlay of fiber-reinforced resin
04/26/1988US4739648 Methods and system for determining leaks in underground liquid storage tanks and the like
04/21/1988DE3634967A1 Socket testing device
04/20/1988EP0264248A2 Method and apparatus for determining the profile of a subterranean passage
04/14/1988DE3633660A1 Safety device in diaphragm gas pressure controllers
04/12/1988US4736763 Automatic device for the detection and shutoff of unwanted liquid flow in pipes
04/12/1988US4736623 Leak detector
04/12/1988US4736622 Method for detecting leaks in an above ground petroleum storage tank
04/12/1988US4736621 Immersion in heated perfluoroperhydrofluorene bubble detection
04/06/1988EP0262667A2 Liquid leakage detector line
04/06/1988CN87106017A Leak detection and screening test for the packaged details
04/05/1988USH454 Chemical agent leak detector and a method of using the same
04/05/1988US4736193 Programmable fluid detector
04/05/1988US4735231 Device for preventing leakage in pressure ducts
04/05/1988US4735229 Wear monitoring construction for erosive/corrosive flow conducting devices
04/05/1988US4735095 Hollow conduit for use in determining concentration profiles of liquid or gaseous materials
04/05/1988US4735084 Method and apparatus for gross leak detection
04/05/1988CA1234708A1 Air line pressure tester
04/05/1988CA1234659A1 Vehicle for use in street cleaning
03/1988
03/30/1988EP0261143A1 Central heating system and water system and method for controlling the tightness thereof
03/29/1988US4733555 Pressure entry and test system
03/29/1988US4733554 Hydro pressure thread tester