Patents for G01M 3 - Investigating fluid tightness of structures (22,573)
10/1986
10/07/1986US4616215 Vacuum monitoring and signaling apparatus
10/07/1986US4615828 Color variable indicators; non-staining
10/01/1986EP0195797A1 Pipeline pig
09/1986
09/25/1986WO1986005588A1 Diffractosight improvements
09/23/1986US4612798 Pneumatic tire leak detector and method
09/23/1986US4612797 From a test subject
09/17/1986EP0194836A2 Small component helium leak detector
09/09/1986US4610165 Fluid level sensor
09/09/1986CA1211231A1 Detecting leaks
09/09/1986CA1210960A1 Method and apparatus for testing the air-tightness of a building using transient pressurization
09/02/1986US4609912 Detector system for detecting air infiltration leaks and the like
09/02/1986US4608866 Small component helium leak detector
09/02/1986US4608858 Pneumatic test plug
09/02/1986US4608857 Method for checking pipes or pipe networks for leaks
08/1986
08/26/1986US4607522 Storage tanks having secondary containment means
08/20/1986EP0191547A2 Sensorcable
08/20/1986EP0191055A1 Method and apparatus for controlling leaks in pressurized fluid systems
08/19/1986US4606221 Method of depolluting a helium leak detector and apparatus implementing the method
08/19/1986US4606220 Apparatus for locating leaks in a heat exchanger
08/14/1986WO1986004746A1 Computer controlled tuning of lasers
08/14/1986WO1986004675A1 Device for signalling a leakage in a tank
08/13/1986EP0190410A1 Impermeable sheet
08/13/1986EP0190341A1 Apparatus for closing hollow bodies having at least one substantially cylindrical opening
08/12/1986US4605923 Pair of fabric strips jointed by fluid imbibing material
08/12/1986US4604893 Leak detector
08/06/1986EP0190059A1 Method for detecting medium-sized or major leaks in the heat exchange surface of a molten-metal steam generator
08/05/1986US4603576 Apparatus for providing fluid pressure for testing a seal
07/1986
07/30/1986EP0189021A2 Method of and device for detecting a condition of a pump proportional to the leakage of a hydraulic pump or of a hydraulic motor
07/30/1986EP0188911A2 Method and apparatus for detecting leaks in a gas pipe line
07/30/1986EP0188509A1 Leakage and defect test apparatus.
07/29/1986US4602504 Permanently-installed test fitting
07/29/1986US4602500 Apparatus for leakage testing of tubes and joints
07/29/1986US4602499 Flexible industrial system with quick change part holding means
07/22/1986US4601204 Apparatus with means of self-displacement for its advance within a duct, in particular for remote inspection and/or treatment and/or tubing of said duct
07/22/1986US4601194 In oil field pipe at a rig floor
07/15/1986US4599890 Hydrostatic test apparatus
07/15/1986CA1207606A1 Filter testing apparatus and method
07/08/1986US4598742 Method and apparatus for monitoring liquid stock in a storage tank
07/08/1986US4598580 Inflatable seal for an annular cavity
07/03/1986WO1986003836A1 Method for leak detection in a pipeline system
07/03/1986WO1986003835A1 Electric pressure detector provided with a leak indicator
07/02/1986EP0186478A2 Method and apparatus for detecting leaks in a gas pipe line
07/01/1986US4598277 Water detection subassemblies and method of forming same, for use in computer processing centers
07/01/1986US4598273 Leak detection system for roofs
06/1986
06/25/1986EP0185650A1 Hose, especially a hydraulic-pressure hose
06/24/1986US4596443 Light guide for liquid detection and cable comprising such a guide
06/24/1986US4596135 Method for testing integrity of welds at elevated temperatures
06/24/1986US4596133 Apparatus and methods for measuring fluid flow parameters
06/18/1986EP0184836A2 Method of and device for leak testing of two check valves in a gas-operated pipe
06/17/1986USRE32188 Color television receiver comprising at least one integrated circuit for the luminance signal and the chrominance signals
06/17/1986US4594882 Portable work stand to quickly receive, seal, and rotate, a cylinder head of an engine during liquid leak testing
06/17/1986CA1206278A1 Fluoroscopic examination of pipe girth welds
06/11/1986EP0184521A1 Method and device for the detection of leaks in a heat exchanger in operation
06/10/1986US4594638 Liquid leak sensor
06/10/1986US4593554 In a vacuum package
06/10/1986US4593530 Method and apparatus for improving the sensitivity of a leak detector utilizing a cryopump
06/05/1986WO1986003295A1 Method and apparatus for detecting leaks and other defects on sewers and the like channels
06/04/1986EP0183134A2 Improvements relating to pipeline inspection apparatus
06/03/1986US4593275 Safety device for detecting a conductive liquid
06/03/1986CA1205299A1 Photomultiplier tube assembly
05/1986
05/27/1986US4591837 Hydraulic fluid leak warning apparatus
05/27/1986US4590794 Leak detector for pneumatic tire valve core
05/27/1986US4590793 Pressure pump with volumetric leak rate detector
05/21/1986EP0181722A1 Method and apparatus for determinating a vacuum degree within a flexible vacuum package
05/20/1986US4590462 Oil leakage detection apparatus
05/20/1986US4589435 Water shutoff valve
05/20/1986CA1204634A1 Apparatus for detecting ruptures in drill pipe above and below the drill collar and method of detecting and correcting such ruptures to prevent loss of drilling mud
05/13/1986US4587836 Test stand for a valve
05/13/1986CA1204302A1 Apparatus and method for testing for leakages in hermetically sealed packages
05/06/1986US4587619 Method and apparatus for electronic leak testing
05/06/1986US4587543 Method and device for detecting metal ions
05/06/1986US4586370 Tester for electric and pneumatic systems of vehicular trailers
04/1986
04/30/1986EP0024421B1 Method and apparatus for the leak testing of filters
04/29/1986US4586142 Pressurized cable-sheath leak locating instrument
04/29/1986US4586033 Fluid detection system
04/29/1986US4584877 Method and fixture for leak detection
04/29/1986US4584872 Tire mounted centering and leveling depressor for submersion tanks
04/29/1986US4584871 Device and method for testing differential pressure measuring passageways
04/29/1986US4584870 Manufacture of cigarettes
04/22/1986US4583394 Device and method for leak location
04/15/1986US4581919 Retrievable hydrostatic testing tool for pressure testing tubing
04/15/1986CA1203305A1 Leak detector for nuclear pool cofferdam
04/09/1986EP0177433A2 Leakage detection and tracking system
04/09/1986EP0177384A1 Device for detecting and locating a water entry in an under-water acoustical antenna
04/09/1986EP0177119A2 Automatic vacuum leak test method
04/08/1986US4580443 Detecting leaks
04/08/1986US4580442 Method for locating leaks in normally dry portions of fire sprinkler systems
04/02/1986EP0175698A1 High speed hot air leak sensor.
04/01/1986US4579715 Sheet with steam sensitive indicator ink embedded in porous bundle
04/01/1986US4578987 For wells
03/1986
03/27/1986WO1986001751A1 Pipeline pig
03/26/1986EP0175219A1 Hollow line for determining the concentration profiles of liquid or gaseous substances
03/25/1986US4577511 Air line pressure tester
03/25/1986US4577490 Detecting leaks
03/25/1986US4577489 Detecting leaks
03/25/1986US4577488 Apparatus and method for inspecting welds
03/18/1986US4576795 For nitoclave
03/18/1986US4576097 Pipeline inspection vehicles
03/18/1986US4576038 Apparatus for use in leak detection
03/18/1986US4576037 Leak detectors