| Patents for G01M 3 - Investigating fluid tightness of structures (22,573) |
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| 10/12/1993 | US5251422 Conveyor system |
| 10/10/1993 | CA2092461A1 Test device for a stern drive motor |
| 10/07/1993 | DE4211038A1 Leak testing system for pipes - has generator for producing pressure difference between inside and outside of pipe and microphones for detecting noises typical of leaks inside pipe and correction microphones outside. |
| 10/06/1993 | EP0564312A1 Procedure for detecting and for making a global quantification of leaks in at least one connector of a container |
| 10/06/1993 | EP0563923A2 Brake systems testing apparatus |
| 10/05/1993 | US5249454 Instrument for measurement of vacuum in sealed thin wall packets |
| 09/30/1993 | WO1993019353A1 Container leak testing |
| 09/30/1993 | WO1993018969A1 Potato chip package vertical packaging machine |
| 09/30/1993 | DE4209326A1 Testing dry supply columns, esp. in tall buildings, skyscraper etc. - measuring pressure difference at upper extraction point and lower feed point |
| 09/30/1993 | CA2131555A1 Potato chip package vertical packaging machine |
| 09/28/1993 | US5248220 Protective liner system having improved leak detection means |
| 09/23/1993 | DE4309450A1 Leak testing device for pressurised lines, esp. for gas - has pre-testing and main testing devices, water container with column indicator, air pump, and couplings with automatic valves |
| 09/23/1993 | DE4208970A1 Detecting and locating leaks in pipes, e.g. sewage pipes, - using physical, chemical, biological and=or other analysis to determine leak origin and hazard |
| 09/22/1993 | EP0561645A1 Package leak detection |
| 09/22/1993 | CN2142568Y Full automatic air-tightness tester for cell case |
| 09/21/1993 | US5245869 High accuracy mass sensor for monitoring fluid quantity in storage tanks |
| 09/21/1993 | US5245860 Sensor for detection of oil leaks and oil quality in stuffing box of walking beam pump system |
| 09/21/1993 | CA1322415C Seal integrity tester and method |
| 09/16/1993 | WO1993018385A1 Package testing |
| 09/16/1993 | WO1993018384A1 A leak detector for an injection moulding machine |
| 09/16/1993 | WO1993017627A1 Enhanced monitoring device for surgical barriers |
| 09/16/1993 | CA2117639A1 Enhanced monitoring device for surgical barriers |
| 09/15/1993 | EP0559993A1 A system for the detection of a sudden rupture in a pipe through which a liquid is flowing under pressure. |
| 09/15/1993 | CN2142197Y Hydrostatic testing apparatus for steel sheet coiled pipe |
| 09/09/1993 | DE4207067A1 Locating leaks in pipes carrying liquid or gas - measuring different transition times of escaping medium to separate measurement points, e.g. using synchronised hydro- or microphone transducers |
| 09/09/1993 | DE4206609A1 Two-channel optical inspection system for pipelines and ducts - has spectral filters rotating with camera head about axis of pipe and stationary matrix image sensor |
| 09/08/1993 | EP0558488A1 Method and apparatus for testing a proctective barrier material for pinholes and tear strength |
| 09/07/1993 | US5243294 Methods of and apparatus for detecting the character and location of anomalies along a conductive member using pulse propagation |
| 09/07/1993 | US5242399 Method and system for stent delivery |
| 09/07/1993 | US5241852 Apparatus and method for testing the waterproofness of a camera casing |
| 09/02/1993 | WO1993017478A1 An arrangement for verifying the impermeability of a sleeve body in cable networks or the like |
| 09/02/1993 | WO1993017317A1 Testing of packages |
| 09/02/1993 | WO1993017316A1 Apparatus for detecting leaks in conduits |
| 09/02/1993 | WO1993017275A1 Pipe for conveying a medium |
| 09/02/1993 | WO1993017266A1 Environmentally safe underground piping system |
| 09/02/1993 | DE4306232A1 Phase-coupled coherent electromagnetic field leakage detector - using test fluid having dielectric susceptibility which exhibits nonlinear dependence on applied coherent EM field which produces spatially varying optical density in gas |
| 09/02/1993 | CA2130191A1 Environmentally safe underground piping system |
| 09/01/1993 | EP0558057A2 Liquid leakage detector line |
| 09/01/1993 | CN2141560Y Air leakage detector for infusion device |
| 08/31/1993 | US5239859 Method and apparatus for leak testing a hollow body |
| 08/26/1993 | DE4205688A1 Vorrichtung zur ueberpruefung der dichtigkeit eines muffenkoerpers bei kabelnetzen o. dgl. unter aufbringung eines inneren ueberdruckes Device for checking the tightness of a muffenkoerpers in cable networks o. The like. Under application of an internal excess pressure |
| 08/26/1993 | DE4205453A1 Measurement appts. for hydraulic flows and leaks in test object, e.g. in valves - contains capacitive sensor in vertical feed line, and equalisation chamber for hydraulic and pneumatic media |
| 08/25/1993 | EP0556542A2 Procedure and device for detecting leaks |
| 08/24/1993 | US5238172 Method of detecting sealing faults in a protective tube for protecting an electrical and/or optical cable, a cable, and an installation for implementing the method |
| 08/24/1993 | US5237856 Bubble emission volume quantifier |
| 08/24/1993 | US5237855 Apparatus for leak testing a fluid containing chamber |
| 08/18/1993 | EP0556090A2 Champagne pressure gauge |
| 08/18/1993 | EP0555846A2 Fluid pipes with temperature abnormality location detecting structure |
| 08/18/1993 | CN2140521Y Valve monitoring alarm instrument |
| 08/17/1993 | US5235847 Arrangement for detection of leakage or weak points in a package moveable continuously relative to the arrangement |
| 08/17/1993 | US5235846 Determining the concentration of carbon dioxide |
| 08/17/1993 | US5235845 Method of detecting a pinhole at a welded portion of an article |
| 08/11/1993 | CN2140057Y Water-pressure test device of self-sealed pumping water for waterpipe |
| 08/10/1993 | US5235286 Method for detecting and obtaining information about changers in variables |
| 08/10/1993 | CA1321249C Conductive resin structure for connecting metal conductors |
| 08/05/1993 | WO1993015398A1 Method of identifying chemicals by use of non-radioactive isotopes |
| 08/05/1993 | WO1993015385A1 Instrument for measurement of vacuum in sealed thin wall packets |
| 08/05/1993 | CA2112904A1 Instrument for measurement of vacuum in sealed thin wall packets |
| 08/04/1993 | EP0549680A4 Hydrostatic testing apparatus |
| 08/03/1993 | US5231868 Continuous containment monitoring with containment pressure fluctuation |
| 08/03/1993 | US5231867 Device for detecting leaks in a flanged joint |
| 08/03/1993 | US5231866 Acoustic leak detection system |
| 07/28/1993 | CN2139266Y Domestic detector for natural gas leakage |
| 07/27/1993 | US5230239 Package testing apparatus and method |
| 07/21/1993 | EP0552044A2 Method and apparatus for detecting the position of an abnormal site of a buried pipe |
| 07/20/1993 | US5229750 Fail-safe leak detector including independent and repetetive sensing means |
| 07/20/1993 | US5228469 Fluid control system |
| 07/20/1993 | US5228339 Automatic tank gauging system with a quasi static reference subsystem |
| 07/20/1993 | US5228330 Hermetic IC package moisture tester |
| 07/15/1993 | DE4200245A1 Tracing leakage gas flow emanating from surface - converting associated acoustic signal into electrical form for evaluation with detection threshold |
| 07/13/1993 | US5226316 Package leak detection |
| 07/13/1993 | US5226315 Device for surveillance of a gas-filled chamber to monitor leaks |
| 07/13/1993 | US5226314 Tracer-gas leak detector |
| 07/08/1993 | WO1993014388A1 Apparatus for and method of removing liquids |
| 07/08/1993 | CA2105383A1 Apparatus for and method of removing liquids |
| 07/07/1993 | EP0549680A1 Hydrostatic testing apparatus. |
| 07/06/1993 | US5225996 Emissions monitoring and tracking system |
| 07/06/1993 | US5225812 Protective composite liner |
| 06/24/1993 | WO1993012411A1 Leak indicator for vacuum systems and a method of searching for leaks in vacuum systems |
| 06/23/1993 | EP0547211A1 Capacitance measuring circuit and method for liquid leak detection |
| 06/22/1993 | US5220822 Method for testing vapor recovery lines |
| 06/17/1993 | DE4140725A1 Leak testing of container, e.g. vehicle radiator - applying measurement fluid under pressure and opto-electronically sensing fluid emanating from container |
| 06/10/1993 | WO1993011416A1 Test apparatus for pressure testing equipment having a flange and method of pressure testing |
| 06/10/1993 | WO1993010828A1 Medical leak detection system |
| 06/10/1993 | CA2116780A1 Test apparatus for pressure testing equipment having a flange and method of pressure testing |
| 06/09/1993 | EP0545784A2 Apparatus and method for detecting subterranean leakage from a large storage vessel |
| 06/09/1993 | EP0545450A1 Statistically detecting leakage of fluid from a conduit |
| 06/09/1993 | EP0216923B1 Diffractosight improvements |
| 06/09/1993 | DE4140366A1 Lecksucher fuer vakuumanlagen sowie verfahren zur durchfuehrung der lecksuche an vakuumanlagen Leak detector for vacuum systems and procedures to implement the leak detection in vacuum systems |
| 06/09/1993 | CN2135778Y Air-tightness tester for electric accumulator |
| 06/08/1993 | US5218554 Fluid detection system with solid state inputs |
| 06/08/1993 | US5216914 Methods and systems for the negative pressure testing of underground storage tanks containing highly vaporous hydrocarbon liquids |
| 06/03/1993 | DE4139565A1 Concrete pipe seal with gas pressure test channels - has corrosion-resistant steel plate cladding tubes with end sleeves for joint seals with test channels |
| 06/02/1993 | EP0544341A2 Method and apparatus for externally and internally testing for leaks in connections between tubular members |
| 06/01/1993 | US5215409 Device for sealing off and monitoring a volume |
| 06/01/1993 | US5214957 Integrity and leak rate testing of a hermetic building |
| 05/26/1993 | CN2134646Y Detector for airtightness |
| 05/25/1993 | US5214412 Leak detector method establishing two different threshold levels |
| 05/25/1993 | US5214387 Electrolytic resistivity leak detector |
| 05/25/1993 | US5212979 Testing device for measurement of a leak rate of a spraying or injection valve |