| Patents for G01M 3 - Investigating fluid tightness of structures (22,573) |
|---|
| 08/29/1990 | EP0383864A1 Means for and method of detecting and controlling pipeline leakages |
| 08/28/1990 | US4951496 Method of, and apparatus for, leak testing a package |
| 08/28/1990 | CA1273224A1 Panel surface flaw inspection |
| 08/23/1990 | WO1990009571A1 Process and device for testing the impermeability of sheathing products such as latex gloves or condoms |
| 08/23/1990 | DE3904903A1 Insert for clamping thin-walled hollow profiles, especially for internal pressure tests |
| 08/21/1990 | CA2010474A1 Apparatus for eliminating measuring inaccuracies in a storage tank leak detection system |
| 08/21/1990 | CA1272944A1 Perfluoropolyethers used as fluid for testing in electronic field |
| 08/18/1990 | CA2008727A1 Method and apparatus for monitoring a fluid conduit system for leaks |
| 08/17/1990 | CA2010286A1 Method for monitoring the air tightness of compartments for holding goods, espacially grains in bulk |
| 08/16/1990 | DE3904577A1 Fault location device on sleeved pipes |
| 08/15/1990 | CA2008495A1 Incompressible fluid for leaks |
| 08/14/1990 | US4949076 Apparatus for detecting and locating leakage in underwater structures |
| 08/14/1990 | CA1272778A1 Method and apparatus for detecting leaks and other defects on sewers and the like channels |
| 08/08/1990 | EP0380863A1 Method and apparatus for detecting leaks in a sealed container |
| 08/08/1990 | CA2009539A1 Method for determining a leak in a breast wall of a regenerative heat recuperator |
| 08/07/1990 | US4947470 System for locating leaks in a geomembrane-lined impoundment or landfill filled with material |
| 08/07/1990 | US4947352 Temperature compensation in differential pressure leak detection |
| 08/07/1990 | US4945757 Constant level leak detection apparatus and method |
| 08/07/1990 | US4945756 Leakage detection system |
| 08/07/1990 | CA1272418A1 Liquid storage tank leak detection system |
| 08/07/1990 | CA1272396A1 Filter test device |
| 08/02/1990 | DE3902118A1 Gas-tight package with a security device for checking the state of the package |
| 08/01/1990 | EP0380354A2 Underground pipe leak detection system |
| 08/01/1990 | EP0379986A2 Process for reducing the measuring cycle time and for increasing the measuring pressure sensitivity of a leak-testing method, and associated test container |
| 08/01/1990 | EP0379946A2 Nuclear fuel rod helium leak inspection apparatus and method |
| 08/01/1990 | CN2059985U On-line monitor for air leakage, negtive pressure fault in high-voltage vacuum switch |
| 07/25/1990 | EP0217833B1 Sealing control method for receptables and sealing control installation therefor |
| 07/24/1990 | US4942920 Heat exchanger leak detection |
| 07/24/1990 | US4942758 High speed leak tester |
| 07/18/1990 | EP0378480A1 Device for inspecting the interiors of conduits |
| 07/18/1990 | CA2006656A1 Apparatus for monitoring a fluid conduit system for leakage points |
| 07/17/1990 | US4941501 For controlling the watering of a patch of earth |
| 07/11/1990 | EP0377264A1 Leakage detection system |
| 07/11/1990 | EP0377141A2 Pipe control and closure device |
| 07/10/1990 | US4939926 Apparatus and method for monitoring pressure leaks from a sealed system |
| 07/10/1990 | US4939923 Method of retrofitting a primary pipeline system with a semi-rigid pipeline |
| 07/03/1990 | US4938224 Process for detecting accidental contact with body fluids |
| 07/03/1990 | US4938063 Apparatus and method for infusing a material into a closed loop system |
| 07/03/1990 | US4938056 Determining the air permeability of a tire |
| 06/27/1990 | EP0188509B1 Leakage and defect test apparatus |
| 06/21/1990 | DE3842392A1 Device for testing or coating a glove |
| 06/20/1990 | CN1043200A Quantitative air inleakage detection system and method for turbinecondenser systems |
| 06/19/1990 | US4934180 Testing container seals |
| 06/14/1990 | WO1990006497A1 Method and apparatus for testing fluid distribution systems for leakage |
| 06/13/1990 | EP0372697A2 Oil leakage sensor |
| 06/13/1990 | DE3841487A1 Refrigerating machine |
| 06/13/1990 | DE3841111A1 Floor slab which is sealed with respect to chemicals |
| 06/12/1990 | US4932257 Double wall piping system |
| 06/12/1990 | US4932241 Reusable plumbing test pipe |
| 06/06/1990 | EP0371306A1 Quantitative air inleakage detection system and method for turbine-condenser systems |
| 06/05/1990 | US4931741 Branched sensor system |
| 06/05/1990 | US4930595 Method and apparatus for determining the profile of a subterranean passage |
| 06/05/1990 | US4930345 System for checking seals in a packaging plant |
| 06/05/1990 | US4930344 Instrument for measuring package seals |
| 06/05/1990 | US4930342 Container leak detector |
| 06/05/1990 | US4930341 Method of prepping a dilatation catheter |
| 06/05/1990 | EP0248893A4 Hydro pressure thread tester. |
| 06/01/1990 | CA2003659A1 Method and apparatus for testing relative permeability of materials |
| 05/31/1990 | DE3839504A1 Method and device for measuring the leakage of a device operated with a gaseous medium |
| 05/29/1990 | US4929929 Leakage control mechanism |
| 05/29/1990 | US4928528 For testing the sealing strength of a seal in a catheter sheath introducer |
| 05/23/1990 | EP0368890A1 Moisture presence alarm system. |
| 05/22/1990 | US4927232 Structural monitoring system using fiber optics |
| 05/22/1990 | US4926681 Container content tester |
| 05/22/1990 | US4926680 Method and apparatus for externally and internally testing for leaks in connections between tubular members |
| 05/17/1990 | WO1990005290A1 A device for the detection of abnormal condition of a portion of an object which is movable relative to the device |
| 05/17/1990 | DE3838592A1 Leak testing device for barrels |
| 05/15/1990 | US4926165 Devices for detecting and obtaining information about an event |
| 05/15/1990 | US4926129 Sensor assembly for detecting multiple events and distinguishing between them |
| 05/15/1990 | US4924694 Apparatus for leak testing a fluid containing chamber |
| 05/10/1990 | DE3837624A1 Device for the measurement of pressure changes |
| 05/08/1990 | US4922748 Method for monitoring thinning of pipe walls and piping component for use therewith |
| 05/08/1990 | US4922746 Leak testing |
| 05/08/1990 | CA1268835A1 Inspection machine for plastic bottles |
| 05/03/1990 | WO1990004757A1 Dynamic leak detector |
| 05/01/1990 | US4922233 Flow sensor and system incorporating the same for monitoring steam turbine drain valves |
| 05/01/1990 | US4922232 Leakage containment and detection systems |
| 05/01/1990 | US4922183 Methods, systems and apparatus for detecting changes in variables |
| 05/01/1990 | US4921416 Injection molding machine having a system for detecting a nozzle leak construction |
| 05/01/1990 | US4920786 Method of retrofitting existing fuel tanks |
| 05/01/1990 | US4920785 Hermeticity testing method and system |
| 04/25/1990 | EP0365042A1 Method for monitoring leakage in liquid conduit systems of cold drying equipment and adapted cold drying equipment for carrying out this method |
| 04/24/1990 | US4919599 Pumping system for a leak detecting device |
| 04/24/1990 | US4919223 Apparatus for remotely controlled movement through tubular conduit |
| 04/24/1990 | US4918978 Means and method for detecting leaks in tanks |
| 04/24/1990 | US4918977 Strong acid or alkali leaks dissolving absorbent cover on electrodes to short circuit conductors, decreasing resistance |
| 04/24/1990 | US4918975 Method and apparatus for testing fluid-filled systems for leaks |
| 04/24/1990 | US4918968 Apparatus and method of detecting leaks in pressurized piping systems |
| 04/19/1990 | WO1990004158A1 Sensor assembly |
| 04/19/1990 | WO1990004157A1 Secondary containment system using flexible piping |
| 04/19/1990 | DE3835167A1 Equipment for the detection of gas leakage losses |
| 04/19/1990 | DE3834073A1 Method and device for the determination, monitoring and adapted return of the quantities of leakage oil escaping from a hydraulic system |
| 04/17/1990 | US4916941 Air bleeding system for an automotive engine cooling system instrument module |
| 04/17/1990 | US4916938 Valve leakage inspection, testing and maintenance process |
| 04/17/1990 | US4916936 Device for testing packages |
| 04/17/1990 | EP0216923A4 Diffractosight improvements. |
| 04/17/1990 | CA1267812A1 Adjustable test pack |
| 04/11/1990 | EP0362227A1 Liquid impoundment leak rate detector |
| 04/10/1990 | US4916437 Gas monitoring system with leak detection and flow cutoff |
| 04/10/1990 | US4915507 Liquid average temperature measuring apparatus and method |