Patents for G01M 3 - Investigating fluid tightness of structures (22,573)
01/1985
01/23/1985EP0131628A1 Method and apparatus for leak testing of pipe.
01/22/1985US4494403 Filter testing apparatus and method
01/22/1985US4494402 Device and method for pressure testing
01/15/1985US4493207 Method and apparatus for measuring the rate at which air infiltrates into and out of buildings
01/15/1985CA1180957A1 Method of and device for remotely detecting leaks in fluid-conveying pipe-line submerged within an ambient fluid and pipe-line provided with such a detection device
01/09/1985EP0130305A1 Method and device for leak detection in turbine cylinders
01/08/1985US4492639 Leak detection
01/08/1985US4492113 Method and apparatus for cleaning and testing heat exchangers
01/08/1985US4492110 Ultra sensitive noble gas leak detector
01/01/1985US4491013 Apparatus and method for high pressure testing and inspection of tires
12/1984
12/25/1984US4490800 Dual head gauger apparatus with automatic adjustment for pressure variation
12/25/1984US4490715 Gas detector
12/25/1984US4490053 Temperature threshold detector
12/25/1984US4489594 Pad clamp for closing off water port in engine block
12/11/1984US4487060 Railway brake pressure monitor
12/11/1984US4487058 Method and apparatus for detecting gas leaks
12/11/1984US4487057 Continuous sense and locate device
12/04/1984US4485668 Leak detector for pressurized pipes
12/04/1984US4485654 Hydraulic chuck for threaded tube
12/04/1984US4485653 Hydraulic chuck for threaded tube
12/04/1984CA1178826A1 Orifice metering fan device
11/1984
11/27/1984US4484818 Apparatus and method for detecting the loss of vacuum
11/21/1984EP0125460A2 Method and device for localising leaks in flat roofs
11/20/1984CA1178364A1 Device for detecting flooding of a hollow structure
11/08/1984WO1984004387A1 Apparatus and method for internally testing a plurality of interconnected pipe sections
11/07/1984EP0124471A1 Tool for testing pipes in a pipe test press
11/07/1984EP0124204A1 Location of a structurally damaged membrane
11/06/1984US4480462 Hydrostatic test apparatus
10/1984
10/31/1984EP0122975A1 Device and method for detecting leaks in the combustion system of a water-cooled internal-combustion engine
10/24/1984EP0122730A1 Self energizing sensor
10/24/1984EP0122551A2 Apparatus for leakage testing the cooling circuit of cylinder heads of internal combustion engines
10/23/1984US4478070 Vacuum package tester and method
10/23/1984US4477986 Method of, and apparatus for, detecting leaks
10/02/1984US4474055 Hydrostatic pipe testing apparatus
10/02/1984US4474054 Leak detector for underground storage tanks
09/1984
09/27/1984WO1984003769A1 Pressure change detection type leakage water inspection device
09/27/1984WO1984003768A1 Self energising sensor
09/25/1984US4472962 Low pressure leak detector
09/18/1984US4471651 Duct probe and dispensing apparatus therefor
09/11/1984US4470882 Zirconium dioxide solid electrolyte vanadium oxide-molybdenum oxide catalytic layer
09/11/1984US4470295 Automatic pipe testing unit
09/11/1984CA1174323A1 Method and apparatus for leak detection in vessels
09/05/1984EP0117491A2 Process for testing vacuum-sealed packages
09/05/1984EP0117386A1 Leakage detector for the barrage of a nuclear pool
09/04/1984US4468962 Energy loss detection system
09/04/1984US4468952 Hydraulic pipe testing tool with combined anti-extrusion and anchor means
09/04/1984CA1173668A1 Apparatus and method for hydrostatically testing pipe
08/1984
08/28/1984US4468609 Control system for the detection of leaks in insulated pipes
08/28/1984US4467636 Testing instrument for pipes or other cavities to be tested as to tightness
08/28/1984US4467635 Leak detection in heat exchanger tubes and their tube sheet connections
08/28/1984CA1173270A1 Apparatus and method for hydrostatically testing sealing face surfaces of tubular joints
08/21/1984US4466273 In suspect pipe fittings
08/16/1984WO1984003114A1 Vehicle used for cleaning roads
08/14/1984US4465422 Methods and apparatus for threading a pipe
08/14/1984US4465105 Flexible hose
08/14/1984US4464931 Method and apparatus for checking the operating conditions of a flow and pressure control member
08/14/1984CA1172468A1 Back-diffusion quality control method for barrier treated containers
08/08/1984EP0115383A2 Detecting leaks
08/08/1984EP0115221A1 Detecting leaks
08/07/1984CA1172051A1 Subsea pipeline test cap and pipeline installation method
08/02/1984WO1984002978A1 Method and apparatus for leak testing of pipe
07/1984
07/31/1984US4462249 Tank leakage detection method
07/24/1984CA1171502A1 Fiber optic temperature sensing
07/19/1984WO1984002774A1 Method of detecting leakage of liquid
07/17/1984US4460019 Sewer and drain plug
07/17/1984US4459844 Gas separation chamber and portable leak detection system
07/17/1984US4459843 Apparatus and method for testing containers
07/17/1984CA1170921A1 Leak detection apparatus and method for use with tube and tube sheet joints
07/11/1984EP0113239A1 An insulated pipe system
07/10/1984US4458601 Speed control system for a pipeline inspection vehicle
07/10/1984US4458523 Cooling system pressure tester
07/10/1984US4458522 Hydrostatic pipe tester and method
07/10/1984US4458521 Leak detection system
07/10/1984CA1170476A1 Method and apparatus for testing tightness of pipe threads
07/03/1984US4457164 Testing of oil seals in power-assisted rack and pinion steering units
07/03/1984US4457163 Method and apparatus for locating pipeline damage
07/03/1984US4457162 For detecting a single specific gas or solid material in a mixture
06/1984
06/27/1984EP0111815A1 Leak detector
06/27/1984EP0111490A1 Test head for compressed gas cylinders
06/26/1984US4455863 Sonic detection of gas leaks in underground pipes
06/20/1984EP0111377A1 Photomultiplier tube assembly
06/19/1984US4454894 Gas bleed cock
06/19/1984CA1169527A1 Fault detecting sensor and method of detecting faults therewith
06/13/1984EP0110018A1 Measuring device for testing the density of an ear impression and/or an otoplastic
06/13/1984EP0110004A1 Reference leak
06/13/1984EP0038824B1 Method for testing the fluid tightness of a test object
06/12/1984US4453400 Leak detector
06/12/1984US4453399 In a pressurized system
06/05/1984US4452306 Apparatus for detecting ruptures in drill pipe above and below the drill collar
06/05/1984US4452070 Testing casing connectors
06/05/1984CA1168720A1 Thermostatic fiber optic waveguides
06/05/1984CA1168521A1 Leak detector
05/1984
05/29/1984US4450711 Method of and device for remotely detecting leaks in a fluid-conveying pipe-line submerged within an ambient fluid and pipe-line provided with such a detection device
05/22/1984US4450409 Pressure sensor and leak detector
05/22/1984US4449853 Flexible sleeve elbow for gas service lines
05/22/1984US4449393 Energy (test) door
05/22/1984US4449392 Device for testing filters, particularly sterile filters
05/16/1984EP0108587A2 Remotely controllable inspection camera apparatus
05/16/1984EP0108556A2 Apparatus for detecting leaks in steam raising boilers
05/08/1984US4447777 Magnetic pipeline inspection vehicle with metallic foil and bristle contacts supporting the vehicle