| Patents for G01M 3 - Investigating fluid tightness of structures (22,573) |
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| 05/25/1993 | US5212927 Leak localizing using a combination of penetrating devices and barriers |
| 05/19/1993 | EP0542042A2 Procedure and device for monitoring the space between two sealing elements |
| 05/19/1993 | EP0542041A2 Procedure and device for monitoring the space between two sealing elements |
| 05/19/1993 | DE4236943A1 Leak detector for gas suction line for exhaust gas concentration measurement - has flow resistance and flow sensor in series, and compares stored and current flow values |
| 05/19/1993 | CN2133834Y Checking dam for preventing leakage |
| 05/13/1993 | WO1993009418A1 Leak testing |
| 05/13/1993 | DE4137070A1 Leak testing chamber for e.g. weld seams - fits closely over test article and seals all openings but admits e.g. halogen to one with vacuum and leakage detector connected to another |
| 05/13/1993 | CA2121130A1 Leak testing |
| 05/12/1993 | EP0540853A2 Procedure and device for leak testing of closed containers, filled with a gas-containing beverage |
| 05/11/1993 | US5210413 Partial pressure gauge using a cold-cathode ion source for leak detection in vacuum systems |
| 05/11/1993 | US5209106 Leak detector float system and method therefor |
| 05/11/1993 | US5209105 Method and apparatus for externally and internally testing for leaks in connections between tubular members |
| 05/11/1993 | CA1317652C Flow sensor and system incorporating the same for monitoring steam turbine drain valves |
| 05/06/1993 | DE4134752A1 Wall or floor coating system for detection of fluid penetration - has insulating layer between conducting layers and monitors change in resistance |
| 05/05/1993 | EP0540396A1 Anemometer test-bench |
| 05/05/1993 | EP0540148A1 Bag seal tester |
| 05/05/1993 | CN2132176Y Air ultrasonic sensor for loakage detection and location |
| 04/30/1993 | CA2077782A1 Device and method for reducing false indications of leakage in a double-wall tank |
| 04/29/1993 | WO1993008486A1 Device and method for indicating underground object |
| 04/29/1993 | WO1993008455A1 Apparatus and method for detecting an anomaly along a pipeline or the like, using electrical pulses |
| 04/29/1993 | DE4135200A1 Leak detector and indicator for fluid conveying pipes etc. - has pressurised monitoring chamber and pressure switches to control optical and-or acoustic alarm |
| 04/29/1993 | DE4135153A1 Test appts. for internal monitoring of pipe - has conventional bubble seal at one end of tested section of pipe, and test cushion with camera at other end |
| 04/27/1993 | US5206700 Methods and apparatus for retroreflective surface inspection and distortion measurement |
| 04/27/1993 | US5205263 Tank-venting apparatus as well as a method and an arrangement for checking the same |
| 04/27/1993 | US5205173 Method and apparatus for detecting leaks in pipelines using cross-correlation techniques |
| 04/27/1993 | US5205157 Empty container leak testing |
| 04/27/1993 | CA2015391C Fluid sampler for detection and monitoring of failure conditions in fluid insulated electrical equipment |
| 04/27/1993 | CA1316655C Apparatus for forming plastics coated tube |
| 04/22/1993 | DE4226132A1 Choking device for nuclear reactor pressure vessel testing - and or decontamination or cleaning using simple, passive, flow throttling perforations |
| 04/22/1993 | DE4134380A1 Gas and liquid leak monitoring appts., esp. in doubly sealed refuse deposit - has sensor tube in monitoring chamber carrying pumped transport inert gas and connected to sensor of monitored medium |
| 04/21/1993 | CN1071252A Method for testing waterproof casing |
| 04/20/1993 | US5204632 Apparatus and method for detecting leaks in surgical and examination gloves |
| 04/20/1993 | US5203822 Process and device to measure volume in order to determine the compression ratio of an internal combustion engine |
| 04/20/1993 | US5203370 Mounting apparatus with fugitive emission collection means for directly coupling a rotary valve to an actuator having rotary drive means |
| 04/20/1993 | US5203202 Apparatus for detecting leaks in circuits |
| 04/20/1993 | CA1316369C Apparatus for testing groups of pressurized cans for leakers |
| 04/15/1993 | WO1993007459A1 Integrity testing device for sealed flexible packages |
| 04/15/1993 | DE4133434A1 Monitoring, measuring, recording, controlling and displaying pressure during e.g. asbestos product removal - using enclosed, tamper-proof central measurement and control station connected to sensors at measurement points |
| 04/14/1993 | EP0536987A2 Method of confirming the presence of a leak in a liquid storage tank |
| 04/14/1993 | EP0536586A1 Gas visualizing apparatus and gas visualizing method |
| 04/14/1993 | CN1071014A Apparatus for testing water tightness in waterproof or water-resistant camera |
| 04/13/1993 | US5202667 Electric leakage detector for underground storage tank systems |
| 04/13/1993 | US5201213 Pressure leak detection device |
| 04/13/1993 | US5201212 For analyzing signals representing the pressure |
| 04/07/1993 | EP0535997A1 Leakage-detecting hose |
| 04/07/1993 | EP0535309A1 Apparatus for measuring the leakage of a section of a gas conduit |
| 04/07/1993 | CN2129410Y Testing machint for horizontal rolled valve |
| 04/06/1993 | US5200615 Method and apparatus for detecting the presence of fluids |
| 04/06/1993 | US5199296 Method for reducing test cycle time and for improving measuring accuracy at a leak testing process |
| 04/01/1993 | DE4132433A1 Electronic checking appts. for domestic gas meter connections - allows for tolerances of position of screw connections to gas pipes and connectors to wall mounting |
| 03/31/1993 | EP0534825A1 Helium leak detector |
| 03/31/1993 | EP0534824A1 Tracer gas leak detector |
| 03/31/1993 | EP0533960A1 Device and procedure for detecting leaks in double walled pipelines for fluids |
| 03/31/1993 | EP0533831A1 Apparatus for testing leak detectors |
| 03/31/1993 | CN1070475A Apparatus and method for testing waterproofness of casing |
| 03/30/1993 | US5198775 Device for verifying the water tightness of metallically sheathed cable networks |
| 03/30/1993 | US5198773 Non-intrusive gas-level measurement apparatus |
| 03/30/1993 | US5197324 Methods and apparatus using a gel to isolate mainline valves in a pipeline during a hydrotest |
| 03/25/1993 | DE4131085A1 Waste deposit site monitoring appts. - has sensor tube carrying transport medium through control space, and sensor connected to tube to detect monitored material |
| 03/24/1993 | EP0533523A1 Procedure and device for leak-testing of can-like bodies |
| 03/24/1993 | EP0532666A1 Multi-level probe and system for measurement of physical conditions in liquid-containing tanks |
| 03/24/1993 | EP0532616A1 Electronic circuitry for detecting leakage of chemical substance. |
| 03/24/1993 | CN2128734Y Portable random length steel tube water pressure experimental set |
| 03/23/1993 | US5196799 Method and apparatus for testing a protective barrier material for pinholes and tear strength |
| 03/23/1993 | US5195362 Apparatus for and method of testing diesel engine heads for fuel and/or collant leaks |
| 03/23/1993 | US5195361 Test method and apparatus for BOP equipment |
| 03/23/1993 | US5195360 Sealed liners |
| 03/18/1993 | DE4131704A1 Battery charging method esp. for lead battery with liquid electrolyte - feeding gas from pressure source to battery during charging to force circulation of the electrolyte |
| 03/17/1993 | EP0531416A1 Method and apparatus for detecting glove adulteration |
| 03/16/1993 | US5193390 Early warning roof vent |
| 03/16/1993 | US5193381 Universal pressurizing adaptor for automotive radiators |
| 03/16/1993 | US5193380 High flow-rate leak detector having three molecular filters |
| 03/16/1993 | US5193326 Method of using a fastener to secure a multiple layered roof, to repair a roof, and to detect leaks in a roof |
| 03/10/1993 | EP0530566A1 Method and arrangement for carrying out leak test by exhaust gas test apparatus |
| 03/09/1993 | US5193014 Metal vessel having hologram of diffraction grating formed thereon |
| 03/09/1993 | US5191803 Detection of an anticorrosion oil applied into a ship's ballast |
| 03/09/1993 | US5191785 Electroconductive fluid in a vessel with corrosion resistant lining |
| 03/04/1993 | WO1993004352A1 Photo-acoustic leak detection and method |
| 03/04/1993 | WO1993004351A1 Method and apparatus for liquid cooled generator stator test and preparation therefor |
| 03/04/1993 | DE4128750A1 Locating leaks in fluid pipe network - comparing two different types of pressure profile at times between estimated leak occurrence time and detection time |
| 03/03/1993 | EP0529792A2 Tube testing connector |
| 03/02/1993 | US5191292 Method of making a sensor cable |
| 03/02/1993 | US5189904 Temperature compensated methods for detection of leaks in pressurized pipeline systems using piston displacement apparatus |
| 02/25/1993 | DE4127543A1 Trolley mounted gas leak detection unit for monitoring gas pipelines - in which analyser is built into housing having at least 2 rollers and suction pump draws in gases via funnel inlet and supplies them to analyser |
| 02/24/1993 | EP0222013B1 Hydrocarbon sensor |
| 02/23/1993 | US5188143 Water leakage detection device |
| 02/23/1993 | US5187974 Vehicular pressure-testing apparatus |
| 02/23/1993 | US5187973 Leak monitor for hydraulic drive systems |
| 02/23/1993 | CA2073786A1 Tube testing connector |
| 02/23/1993 | CA1313798C Method for detecting leaks in an above ground petroleum storage tank |
| 02/18/1993 | WO1993003343A1 Improved leak detector float system |
| 02/18/1993 | DE4127090A1 Indicating liq. leakage from double-walled reservoir - timing duration of rise in pressure following cessation of vacuum pump operation |
| 02/17/1993 | EP0527561A1 Apparatus and method for infusing a mixture into a closed loop system |
| 02/16/1993 | US5187366 Sensors for detecting leaks |
| 02/16/1993 | US5186357 Fuel dispensing system having a flexible hose with a static dissipater and a fuel leak detector |
| 02/14/1993 | CA2052242A1 Test-fluid composition and method for detecting leaks in pipelines and associated facilities |
| 02/11/1993 | DE4126275A1 Quantitatively measuring vacuum in closed container - bringing latter into electrical field of HV source and ionising residual gas and measuring second breakdown voltage |
| 02/09/1993 | US5184921 Apparatus for bulkhead buoyancy and pipe differential pressure |
| 02/09/1993 | US5184504 Leak detection |
| 02/04/1993 | WO1993002283A1 Fuel-tank aeration system, a motor vehicle with such a system, and a method and device for checking the operability of such a system |