Patents for G01M 3 - Investigating fluid tightness of structures (22,573)
01/1994
01/26/1994EP0580063A2 Method and device for testing the tightness of foil bags
01/26/1994CN2154479Y No-welding type drain hole testing structure
01/20/1994WO1994001747A1 Indicator of a leak flow rate of a primary circuit of a nuclear reactor
01/20/1994WO1994001745A1 Apparatus for measuring the pressure inside a rechargeable electrochemical cell
01/20/1994DE4223752A1 Vorrichtung zum Feststellen des Undurchlässigkeitszustandes eines Isolationsunterbaus bei Abfalldeponien Apparatus for detecting the Undurchlässigkeitszustandes an insulating substructure in landfills
01/20/1994CA2118712A1 Device for indicating leaking rate in a nuclear reactor's main circuit
01/19/1994EP0578792A1 Apparatus for and method of removing liquids
01/18/1994US5279148 Method and apparatus for detecting and locating leaks and loose couplings in conduits for liquids
01/18/1994US5279147 Method for locating disruptions in electrical cable
01/18/1994US5279099 Machine for testing pneumatically sealed bag
01/13/1994DE4239915C1 Testing device for hollow pipe line or conduit - has flexible sections joined by rigid intermediate pieces coupled via individually operated stiffening element
01/13/1994DE4233154C1 Water pipe leakage rate measuring method - using pressure characteristic for test vol. divided from interior of pipe by flexible foil
01/12/1994EP0423258B1 Cable for locating fluids
01/12/1994CN2153052Y Multifunctional superhigh pressure test stand
01/11/1994US5277057 Gasoline detecting device
01/05/1994EP0577454A2 Device for controlling the tightness of vessels closed by an inner capsule
01/05/1994EP0368890B1 Moisture presence alarm system
01/05/1994DE4220900A1 Underground hollow pipe inspection system e.g. for water supply line - has hollow body feed system which allows flexible bending but is axially rigid for moving head for carrying video camera, test sensors, etc. and connected to central power and processing units.
01/04/1994US5276429 Contact detecting and signaling device
01/04/1994US5276428 Contact detecting and signaling device
01/04/1994US5275445 Gas-tight pipe connection
12/1993
12/31/1993CA2099723A1 Flow detecting systems
12/29/1993EP0575441A1 Element for sealing and monitoring a body, in particular a refuse dump.
12/29/1993EP0441838B1 A device for the detection of abnormal condition of a portion of an object which is movable relative to the device
12/29/1993EP0426803B1 Leak detection for hydraulic drive systems
12/28/1993US5273077 Test cap unit for sealed fitting
12/28/1993US5272910 Vadose zone monitoring system having wick layer enhancement
12/28/1993CA1325659C Apparatus and method for detecting leaks in surgical gloves
12/23/1993WO1993025883A1 Corrosion resistant cable
12/22/1993EP0574773A2 Procedure and device for the quantitative determination of the tightness of a sheet pile assembly
12/22/1993CN2150548Y Pocket-type device for detecting leakage point
12/21/1993US5272646 Method for locating leaks in a fluid pipeline and apparatus therefore
12/21/1993US5272467 Apparatus for detecting and reporting liquids
12/21/1993US5271901 Device having a diffusion sensor hose for detecting a leak
12/21/1993US5271278 For a bottle
12/21/1993US5271263 Fluid sampler for detection and monitoring of failure conditions in fluid insulated electrical equipment
12/21/1993CA1325462C Method and apparatus for leak testing a fluid containing chamber
12/16/1993DE4219434A1 Detecting and interpreting leaks in non-metallic pipes with electrically conductive liquids, e.g. waste water, - evaluating variations in potential field in liquid as movable electrode approaches leakage point.
12/16/1993DE4218890A1 Leak indicator with storage programmable control for double-walled liquid container - forms vacuum pump control, evacuating-pressure increasing time period monitor and position control for valve located between evacuating-measuring line and atmos., partly formed as functional unit.
12/16/1993DE4217583C1 Sealing testing device for drainage pipe connection - monitors raised or reduced pressure of test fluid in hollow space between two elastomer pipe seals supplied with test medium.
12/15/1993CN1079552A Corrosion resistant cable
12/14/1993US5270684 Oil consumption counter
12/14/1993US5269182 Mercury containment device and method
12/14/1993US5269173 Flat bottomed tanks and process to detect leakages
12/14/1993US5269171 Propane gas leak detection
12/14/1993CA1325252C Branched sensor system
12/09/1993WO1993024820A1 Leak indicator
12/09/1993WO1993024819A1 Detecting degradation of non-conductive inert wall layers in fluid containers
12/09/1993DE4218817A1 Brake testing arrangement for measuring vehicle brake pedal play - has attachment to pedal, force and angle sensors, evaluation and display arrangement
12/08/1993EP0414854B1 Liquid-detecting cable
12/07/1993US5267670 Fuel dispensing system having a flexible hose with a static dissipator and a fuel leak detector and method of making the same
12/07/1993US5267587 For a water or gas supply line
12/07/1993US5267468 Machine for air seal tests on cart wheel rims
12/07/1993US5267447 Process and device for preventing the liquefaction-leakage phenomenon of gas in a pressure regulator
11/1993
11/30/1993US5265652 Multiaxial fuel transfer pipe system
11/25/1993WO1993023730A1 Lamp for transmitting ultraviolet light
11/25/1993WO1993023729A1 Pipe testing and locating apparatus
11/25/1993WO1993023728A1 Liquid leak detection cable
11/25/1993DE4216937A1 Double-wall liquid container with leak indicator, e.g. for fuel or oil tanker - has timer-controlled piezo-resistive pressure sensor in sealed control space between walls for intermittently monitoring excess pressure different from ambient.
11/23/1993US5264368 Hydrocarbon leak sensor
11/23/1993US5263794 Environmentally safe underground piping system
11/23/1993US5263371 Methods for temperature-compensated liquid height and leak detection measurements using quasi-static reference subsystem
11/23/1993US5263362 Weld test tool
11/23/1993US5263361 Apparatus for leak testing a fluid containing chamber utilizing a laser beam
11/18/1993EP0569754A1 Method and apparatus to determine the effectiveness of filters, especially during sterile air processing
11/17/1993CN2146707Y Leak detector for use in soft water cooling system of blast furnace
11/16/1993US5262639 Fiber optic cable monitoring method and apparatus including moisture detection and bending loss detection
11/16/1993US5262123 Friction extrusion, metal working
11/16/1993US5261269 Leak detector for swimming pool
11/16/1993US5261268 Gas leak detection system
11/16/1993CA1324425C Tank inventory and leak detection system
11/11/1993WO1993022076A1 Monitoring device for a rubbish dump and process for locating leaks
11/11/1993CA2134100A1 Monitoring device for a rubbish dump and process for locating leaks
11/09/1993US5259895 Interior and exterior walls are strengthened by same support ribs; gasoline
11/09/1993US5259673 Apparatus and method for determining the tightness of a storage tank
11/09/1993US5259237 Method and apparatus for testing a filled and closed flexible package for leakage
11/02/1993US5258050 Separation of gases by molecular weight
11/02/1993US5257648 Pressure testing of tubular fitting installed to a ported wall
10/1993
10/30/1993CA2084803A1 Leakage detection and collection cuff
10/28/1993WO1993021507A2 Moisture sensing signal generator
10/28/1993DE4313142A1 Safety tubing with emergency running capability
10/28/1993DE4213585A1 Überwachungseinrichtung für eine Mülldeponie und Verfahren zur Leckageortung Monitoring device for a landfill and method for locating leaks
10/28/1993DE4213070A1 Twin spaced apart conductor system for capacitance or resistance monitoring of land fill leakage - has sites which have been sealed against random losses of leachate
10/27/1993EP0567115A1 Security hose
10/26/1993US5256574 Using silicone polymer filled with electroconductive carbon black
10/26/1993US5255559 Apparatus for testing the gas-tightness of a joint between hollow members
10/26/1993US5255558 Method and device for testing condoms
10/21/1993DE4212938A1 Seal testing appts. e.g. for testing vehicle shock absorber - has pressure source for filling first chamber with gas and uses pressure sensor to determine pressure increase in second chamber
10/21/1993DE4212683A1 Seal testing appts. for monitoring cabling esp. jointing and branching sleeves - has ultrasonic source arranged inside body of sleeve and ultrasonic receiver with evaluation unit arranged outside body of sleeve
10/21/1993DE4212519A1 Leak testing appts. - uses ultrasound transmitter inside sealed chamber and powered e.g. by battery and detects radiated sound
10/20/1993EP0566500A2 Detection medium and method for use in hermetic seal testing
10/20/1993CN2144303Y Test stand for safety valve of hydraulic system of internal combustion engine
10/19/1993US5254976 Liquid leak detector apparatus and method
10/18/1993CA2092251A1 Detection medium and method for use in hermetic seal testing
10/14/1993WO1993020437A1 Test apparatus
10/14/1993WO1993020425A1 Utilities shutoff system
10/14/1993CA2132716A1 Test apparatus
10/13/1993CN2143772Y Gas bottle pressure tester
10/12/1993US5251472 High pressure pipe sleeve for pressure testing of joint seals
10/12/1993US5251471 Device to test the bellows of a stern drive motor for leakage