| Patents for G01M 3 - Investigating fluid tightness of structures (22,573) |
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| 01/21/1992 | US5082366 Apparatus and method for detecting leaks in packages |
| 01/21/1992 | US5081864 Leak protected vessel |
| 01/15/1992 | EP0466657A2 Method and apparatus for testing a hollow body |
| 01/15/1992 | EP0466067A1 Apparatus for detecting leaks in a system for delivering gaseous fuel |
| 01/15/1992 | EP0465920A2 Procedure for testing a welded connection |
| 01/14/1992 | US5081422 Methods for roof, wall or floor leak detection |
| 01/14/1992 | US5080542 Fastening and leak detector device and method for its use to secure roofs |
| 01/14/1992 | US5079944 Hydrocarbon vapor sensor and system |
| 01/14/1992 | US5079930 Apparatus and method for monitoring refrigeration system |
| 01/11/1992 | CA2046556A1 Leak detecting method for vessels |
| 01/11/1992 | CA2046503A1 Apparatus and method for detecting leaks in a system for delivering gaseous fuel |
| 01/09/1992 | WO1992000478A1 Automatic fluid flow sensor and fluid shut-off system |
| 01/08/1992 | EP0464969A2 Tension feeding circuit for a helium leak detector |
| 01/08/1992 | EP0464292A1 Second stage mechanical vacuum pumping unit and leak detection system using such a unit |
| 01/08/1992 | EP0334876A4 Volumetric leak detection system for underground storage tanks and the like |
| 01/08/1992 | CA2043837A1 Device and process for detecting leaks on isolated components containing or carrying a flowing medium |
| 01/07/1992 | US5078187 Vented storage tank systems with internal overfill means |
| 01/07/1992 | US5078006 Methods for detection of leaks in pressurized pipeline systems |
| 01/07/1992 | US5078005 Method and apparatus for checking the bonding of a cellular structure to a support |
| 01/02/1992 | EP0462977A1 Method and apparatus for detecting liquid leaks |
| 01/02/1992 | DE4120785A1 Connector for weld seam tightness testing - has flanged support welded to inner side of upper foil with free end connectable to standard socket |
| 12/31/1991 | US5076728 Landfill liner leak detection system and method |
| 12/31/1991 | US5076095 Plumbing leak testing apparatus |
| 12/26/1991 | WO1991020064A1 Portable system and method for continuously monitoring protective clothing |
| 12/26/1991 | WO1991019967A1 Apparatus for testing leak detectors |
| 12/26/1991 | CA2039533A1 Pipeline leak detector apparatus and method |
| 12/24/1991 | US5075877 Microprocessor controlled system and method for automatically determining the rate of leakage from a fluid storage tank |
| 12/24/1991 | US5074661 Methods and apparatus for retroreflective surface inspection and distortion measurement |
| 12/24/1991 | US5074145 Fault diagnostic apparatus for a hydraulic pressure source |
| 12/19/1991 | DE4036684C1 Water pipe section tester esp. for hydrant or slide valve - has sound pick=up on one side and piezo-discs on other side of receptor |
| 12/17/1991 | US5072623 Double bladder fluid containment system |
| 12/17/1991 | US5072622 Pipeline monitoring and leak containment system and apparatus therefor |
| 12/17/1991 | US5072621 Pipeline leak detector apparatus and method |
| 12/12/1991 | WO1991019206A1 Electronic circuitry for detecting leakage of chemical substance |
| 12/12/1991 | WO1991019191A2 Multi-level probe and system for measurement of physical conditions in liquid-containing tanks |
| 12/12/1991 | WO1991019178A1 Method and apparatus for airburst testing condoms |
| 12/11/1991 | EP0460511A1 Method and apparatus for the measuring of the volume of containers |
| 12/11/1991 | EP0460315A1 Automated system for leak detection in underwater structures |
| 12/10/1991 | US5070724 Method for checking the tightness of a casing, and device for carrying out said method |
| 12/10/1991 | US5070723 Condenser on-line leak detector and method |
| 12/06/1991 | CA2042864A1 Method for detecting defect in lng tank |
| 12/05/1991 | DE4017238A1 Locating leaks in underground, non-metallic pipes - using electromagnetic source moving in pipe, detecting and processing electromagnetic waves contg. position information |
| 12/04/1991 | EP0459335A2 Use of a method and device for testing leakage |
| 12/04/1991 | EP0458833A1 Process and device for testing the impermeability of sheathing products such as latex gloves or condoms |
| 12/03/1991 | US5069068 Fluid level maintenance sensor for use in a tank test system |
| 12/03/1991 | US5069062 Fluid dam and pressure tester apparatus and method of use |
| 12/03/1991 | CA1292642C Attachment ring for a liquid leakage sensor used in drainage openings |
| 12/01/1991 | CA2038174A1 Means for introducing inspection equipment in active pipelines |
| 11/26/1991 | WO1991018554A1 Method and apparatus for detecting glove adulteration |
| 11/26/1991 | CA2083602A1 Method and apparatus for detecting glove adulteration |
| 11/26/1991 | CA1292372C Tank tightness test apparatus probe |
| 11/21/1991 | EP0457231A2 Fluid leak detecting probe |
| 11/21/1991 | EP0357631B1 Device for detecting and tracing leaks in piping conveying a wet medium |
| 11/21/1991 | DE4016373A1 Monitoring sewage network, esp. water mixing and removal network - by measuring data at numerous positions, storing, displaying and processing data |
| 11/21/1991 | DE4015821A1 Leak indicator for double-walled storage container of dangerous liquid - has vacuum pump connected to monitoring vol via suction line with liquid detector, pressure dependent switch and alarm |
| 11/19/1991 | US5067094 Quantifying isolation valve leakage |
| 11/19/1991 | US5065690 Swimming pool leak detector |
| 11/19/1991 | US5065617 Multiple diameter pipe test end closure |
| 11/19/1991 | US5065616 Hydrostatic line testing and method |
| 11/13/1991 | EP0456366A2 A method of detecting escape or spillage of a cold liquid |
| 11/13/1991 | EP0456094A2 Flat-bottomed container |
| 11/13/1991 | EP0455823A1 Metallic container equipped with hologram or diffraction grating |
| 11/12/1991 | US5065350 Method and apparatus for leak testing |
| 11/12/1991 | US5064529 Apparatus for testing membrane filters |
| 11/12/1991 | US5063771 Method of fumigating bulk cereal grains |
| 11/06/1991 | EP0455246A2 Device for indicating a leak in a flat roof |
| 11/06/1991 | EP0168477B1 Use of a visco elastic surfactant composition for controlling the overall heat transfer coefficient of a heat exchange fluid |
| 11/05/1991 | US5062442 Apparatus for monitoring a fluid conduit system for leakage points |
| 10/31/1991 | WO1991016611A1 Pouch tester |
| 10/31/1991 | DE4012619A1 Leak location equipment for waste water channels - includes remotely controlled mobile unit with pressure chamber, over pressure generator and pressure sensors |
| 10/30/1991 | EP0453534A1 Control device on a plastic injection blow-moulding device |
| 10/29/1991 | US5060509 Secondary containment system using flexible piping |
| 10/23/1991 | EP0453226A2 Fiber optic liquid leak detector |
| 10/23/1991 | EP0193605B2 Foil material for controllable leakproof separation of the areas located on both of its sides |
| 10/23/1991 | CN2087337U Micro-leakage measuring instrument |
| 10/22/1991 | US5058421 Water leak and water level detector |
| 10/22/1991 | US5058420 Fiber optic liquid leak detector |
| 10/22/1991 | US5058419 Method and apparatus for determining the location of a sound source |
| 10/22/1991 | CA1291278C Leak detection |
| 10/21/1991 | CA2039082A1 Fiber optic liquid leak detector |
| 10/17/1991 | WO1991015759A1 Process and device for the ultrasonic testing of welds between plastics packaging and cover foils |
| 10/16/1991 | EP0451649A2 Method and apparatus for determining the location of a sound source |
| 10/16/1991 | CN2086902U Optical fiber leak detector |
| 10/15/1991 | US5056554 Fluid loss, damage prevention and control system |
| 10/15/1991 | CA1290677C Insulating panels containing insulating powders and insulating gases |
| 10/10/1991 | DE4011440A1 Moisture or heat sensor element - uses abrupt contracting properties of various elements attenuating light content to control environmental indicator |
| 10/10/1991 | DE4010990A1 Testing objects, esp. glass bottles during mass production - using removable unit contg. test devices removably attached to baseplate |
| 10/10/1991 | DE4010952A1 Verfahren und vorrichtung zur ultraschallpruefung von schweissnaehten zwischen kunststoffpackungen und abdeckfolien Method and apparatus for ultrasonic testing of schweissnaehten between plastic packaging and Cover |
| 10/10/1991 | DE4010622A1 Detecting and interpreting leaks using current emitting electrode - moved among flow pipe by measuring current flowing to static earth electrode |
| 10/09/1991 | EP0450814A1 Pipe inspection system |
| 10/09/1991 | EP0450688A1 A process and an apparatus for leak testing a package |
| 10/09/1991 | EP0436676A4 Container seal testing method and system and testable container structure |
| 10/09/1991 | EP0264420B1 Pipeline vehicle |
| 10/08/1991 | US5056017 System to monitor fuel level in a tank, and fuel dispensed from the tank, to determine fuel leakage and theft losses |
| 10/08/1991 | US5054311 Fully automated leak testing apparatus |
| 10/03/1991 | WO1991014837A1 Method and apparatus for preventing water damages due to leaks in plumbing in buildings |
| 10/02/1991 | EP0448894A1 Procedure and apparatus for controlling the fitness of a nidus structure on a carrier |
| 10/02/1991 | DE4009838A1 Testing sealing of foil sealed air tight containers - by applying pressure and counter pressure to destroy faulty seals |
| 10/01/1991 | US5052217 Containment system for fill line of underground storage tank |
| 10/01/1991 | US5052216 Containment means for storage tank systems |