Patents for G01M 3 - Investigating fluid tightness of structures (22,573)
02/1982
02/09/1982CA1117788A1 Method and apparatus for detecting a blood leak in a hemodialysis system
02/03/1982EP0045167A2 Engine cylinder head port closure pad clamp
01/1982
01/26/1982US4313171 Internal pressure determining method and system for hermetically sealed containers using electromagnetic induction
01/19/1982US4311038 Clamping apparatus
01/13/1982EP0043431A1 Measuring device with a plurality of measuring points connected to each other by a cable
01/12/1982CA1116046A1 Plural valved tube fitting
01/05/1982US4309576 Listening device for localizing underground water leakages
01/05/1982US4309483 Anti-static coating on ullage tapes comprising carbon black derived from a rich acetylene flame
01/05/1982US4308746 Liquid pipeline leak detection
01/05/1982CA1115550A1 Apparatus for pressure testing pipe
12/1981
12/29/1981CA1115141A1 Safety apparatus for automatic supervision and control of a pressure fluid system
12/23/1981EP0042212A1 Pipeline leak location
12/22/1981US4306448 Apparatus, method and system for determining the integrity of sealed containers
12/22/1981US4306446 Apparatus for estimating locality of leaking spot in pipeline
12/22/1981CA1114916A1 Leak detection system and method for fluid delivery piping
12/22/1981CA1114642A1 Pneumatic gross leak detector
12/16/1981EP0041530A1 Fluid-tightness testing of large vessels.
12/15/1981US4305277 Hydrostatic tester for plastic lined pipe and fiberglass pipe
12/08/1981US4305068 Detector system
12/08/1981US4304492 Method and apparatus for detecting leaks in filter bags of a baghouse
11/1981
11/24/1981US4302106 Balloon testing device
11/17/1981US4300601 Vacuum valve and monitoring system
11/17/1981US4300388 Method for leakage measurement
11/10/1981US4300066 Leakage measuring apparatus for a gas-cooled, liquid-cooled, dynamoelectric machine
11/04/1981EP0038824A1 Method for testing the fluid tightness of a test object.
11/03/1981US4298054 Method of withdrawing a mobile sensor from a heat exchanger
10/1981
10/28/1981EP0038492A1 Leak checking device for high-voltage metal-clad switchgear
10/28/1981EP0038356A1 Method for leakage measurement
10/28/1981EP0038344A1 Method for filling a container quickly with a mixture of air and a tracer gas
10/27/1981US4297687 Leak detection apparatus
10/27/1981US4297686 Water detection device
10/27/1981US4297682 Flexible convex diaphragm sound reproducing device
10/27/1981CA1111544A1 Apparatus for inspecting a pipeline for leaks
10/27/1981CA1111512A2 Method and apparatus for detecting and locating fluid leaks
10/20/1981US4295566 Air-evacuated package with vacuum integrity indicator means
10/14/1981EP0037419A1 Sensor for measuring leakage
10/13/1981US4295197 Infiltration-inflow sewer line analyzer
10/13/1981US4294107 Self-purging probe for low pressure leak detection
10/13/1981US4294106 Leak detector
10/13/1981EP0024421A4 Method and apparatus for the leak testing of filters.
10/07/1981EP0037266A2 Method and apparatus for controlling the temperature of or indicating the presence of a material by means of a waveguide, heat activatable articles incorporating waveguides; and novel waveguides and a method of making such waveguides
09/1981
09/29/1981US4292272 Multilayer analysis sheet for analyzing liquid samples
09/29/1981US4291573 Reject system for in-line pressure testing systems
09/29/1981CA1109739A1 Leak detection method and apparatus
09/17/1981WO1981002631A1 Leakage detection method using helium
09/16/1981EP0035572A1 Method and apparatus for inspecting sealed packages for pinholes
09/15/1981US4289019 Method and means of passive detection of leaks in buried pipes
09/08/1981US4288654 District-heating line
09/03/1981WO1981002484A1 Leak detection apparatus
09/02/1981EP0034638A1 Installation for a gas burner
09/01/1981US4287581 Ultrasonic fluid leak detector
09/01/1981CA1108314A1 Method of detecting leakage of nuclear reactor coolant
08/1981
08/25/1981US4285229 Introduced in the detection of leakages of the cooling in blast furnace nozzles
08/19/1981EP0033945A2 Helium-type leak detector
08/18/1981US4283937 Method of detecting broken window foil of apparatus for treating waste gas with irradiation
08/11/1981US4282744 Leak testing hermetically sealed electronic articles
08/11/1981US4282743 Leak test fitting
08/04/1981US4282521 Regulating circuit for gaseous impurity detector
08/04/1981US4281535 Cylinder gripping apparatus
08/04/1981US4281534 Sensor for measuring leakage
07/1981
07/28/1981US4280356 Pipeline leak detection
07/28/1981CA1105732A1 Method and apparatus for tube leakage testing
07/07/1981US4276771 Hydrostatic testing apparatus
07/07/1981CA1104358A1 Loss of refrigerant and/or high discharge temperature protection for heat pumps
06/1981
06/25/1981WO1981001744A1 Tightness testing of large vessels or the like
06/23/1981US4275414 Tube plug weld inspection apparatus
06/16/1981US4272985 Method of and apparatus for compensating for temperature in leak testing
06/16/1981US4272984 Pipeline leak detection method and control device therefor
06/09/1981US4272781 Nondestructive examining apparatus
06/09/1981US4272480 Device for reducing the sensitivity of an ethylene oxide leak detector
06/09/1981CA1102633A1 Process and apparatus for early detection of cracks in non-permeable, structural members before the cracks traverse the members
06/03/1981EP0029685A1 Device and method for detecting leaks from pipelines
06/03/1981EP0029605A1 Safety device for pressure-fluid supply lines
06/02/1981US4271120 Corrosive fluid detector
05/1981
05/27/1981EP0029342A1 Remote inspection equipment
05/26/1981US4270139 Color television receiver comprising at least one integrated circuit for the luminance signal and the chrominance signals
05/26/1981US4270049 Liquid leakage detection system
05/26/1981US4269061 Leakage sensor apparatus for fluid passageway
05/26/1981US4268945 Method of assemblying a sealed structure
05/14/1981WO1981001333A1 Method for testing the tightness of a test volume
05/14/1981WO1981001332A1 Method for filling a container quickly with a mixture of air and a tracer gas
05/13/1981EP0028396A2 Endoscope
05/12/1981US4267449 Testing the integrity of liquid containing hermetically sealed containers by the use of radioactive markers
05/12/1981CA1100824A2 Gas-fluid-sound isolation door assembly with integral testing means
05/06/1981EP0028142A1 Fault detecting sensor and method of detecting faults therewith
04/1981
04/29/1981EP0027767A1 Apparatus for detecting a substance whose presence is to be detected in one or several chambers of a set of measuring chambers maintained at ultra-high vacuum and its use in the detection of leaks
04/29/1981EP0027720A2 Method of and apparatus for location of leaks in pressure-assisted oil-filled electric power cables
04/28/1981CA1100222A1 Ultrasonic leak hole detection apparatus and method
04/21/1981US4262522 Method and arrangement for operating gas examining apparatuses
04/16/1981WO1981001055A1 Sensor for measuring leakage
04/16/1981WO1981001054A1 Method for leakage measurement
04/07/1981US4260483 Bottle cap inspecting machine
04/07/1981US4259861 Method and apparatus for determining whether a fluid is leaking
03/1981
03/31/1981US4259553 Transport hose with leak detecting structure
03/31/1981US4259152 Release of preselected tag gas
03/31/1981US4259080 By spraying with solution of sodium compound and testing for sodium with blue flame
03/31/1981US4258938 Pipe couplings
03/24/1981US4257863 Gas sensors and method of making such sensors
03/24/1981CA1098190A1 Double tracer gas process for locating conduit leaks
03/19/1981WO1981000765A1 Method and apparatus for inspecting sealed packages for pinholes