| Patents for G01M 3 - Investigating fluid tightness of structures (22,573) |
|---|
| 06/04/1991 | US5020358 Double walled fibrous reinforced resinous storage tanks with common rib supports |
| 05/30/1991 | WO1991007271A1 Control device on a plastic injection blow-moulding device |
| 05/29/1991 | EP0429150A1 Method and apparatus for the early detection of water leakages in continuous casting installations |
| 05/29/1991 | EP0428817A1 Fastening and leak detector device and method for its use to secure roofs |
| 05/28/1991 | US5018558 Storage tank system with internal overfill means |
| 05/28/1991 | US5018381 Apparatus for checking air leaks in vehicle tire rims |
| 05/24/1991 | CA2009375A1 Fastening and leak detector device and method for its use to secure roofs |
| 05/23/1991 | DE4000699C1 Localising leakage of gas and/or fluid - using EM radiation emitter in cavity between container e.g. pipe or tank and covering |
| 05/21/1991 | US5017908 Security system for sensing leakage of fluid from containers |
| 05/15/1991 | EP0426803A1 Leak detection for hydraulic drive systems. |
| 05/15/1991 | EP0426675A1 A method of testing the joints for leaks in a thin plate lined storing room and a joint adapted to the performance of the method |
| 05/14/1991 | US5015958 Elongate sensors comprising conductive polymers, and methods and apparatus using such sensors |
| 05/14/1991 | US5015843 Fiber optic chemical sensors based on polymer swelling |
| 05/14/1991 | US5014543 Leak detector |
| 05/14/1991 | CA1284075C Angioplasty dilating guide wire |
| 05/08/1991 | EP0347452A4 Counterflow leak detector with high and low sensitivity operating modes |
| 05/08/1991 | DE3933873A1 Testing arrangement for supervising sealing of pipe joints - uses pressure measurer in cavity between inner and outer seals |
| 05/07/1991 | US5013006 Micro-leakage regulating valve |
| 05/02/1991 | WO1991005715A1 Improvements in or relating to new containers |
| 05/02/1991 | WO1991005518A1 Method and apparatus for detecting leaks in rubber gloves and the like |
| 05/02/1991 | EP0424830A1 Leak detecting system using tracer gas |
| 05/02/1991 | DE3936163A1 Measuring soundness of hermetically sealed containers - subjecting flexible part to pressure in test chamber and comparing deformation arising from internal pressure |
| 04/30/1991 | US5011562 Apparatus for forming sealed lengths of plastics coated tube |
| 04/30/1991 | US5010776 Environmental contamination detection and analyzing system and method |
| 04/30/1991 | US5010761 Automated leak detection apparatus and method therefor |
| 04/30/1991 | CA1283721C Device for use in an apparatus for detecting and locating information about an event |
| 04/30/1991 | CA1283561C Mechanical seal tester |
| 04/24/1991 | WO1991005714A1 Improvements in or relating to containers |
| 04/24/1991 | EP0423462A1 Apparatus to monitor the airtightness of a vehicle tyre |
| 04/24/1991 | EP0423258A1 Cable for locating fluids. |
| 04/24/1991 | CA2067786A1 Containers |
| 04/23/1991 | US5009835 Nuclear fuel rod helium leak inspection apparatus and method |
| 04/16/1991 | US5008841 Non-invasive system and method for inspection of valves |
| 04/16/1991 | US5008653 Fluid detector with overfill probe |
| 04/16/1991 | US5008652 Water leak detection apparatus for use in suspended ceilings |
| 04/16/1991 | US5008650 Leak damage prevention system |
| 04/16/1991 | US5007453 Fluid flow control device |
| 04/11/1991 | DE3933265A1 Leakage detection of multiple wall pressure containers - by periodically increasing pressure in test chamber between walls and maintaining result against threshold value |
| 04/10/1991 | EP0421858A1 Procedure and device for testing the fluid tightness of a container |
| 04/09/1991 | US5005700 Gas tight packaging with a safety device |
| 04/07/1991 | US5101774 Acoustic leak detection system |
| 04/04/1991 | DE3931568A1 Test appts. for waste water channel sealing - has metal body carrying inflatable seals on annular end plates and radio or sound transmitter |
| 04/02/1991 | US5004014 Automatic fluid flow sensor and fluid shut-off system |
| 04/02/1991 | US5003818 To test hydraulic pressures in a plurality of brake lines |
| 04/02/1991 | US5003813 Method and apparatus for monitoring storage tank leakage |
| 04/02/1991 | CA1282499C Method and a device for tightness control of a joint |
| 04/02/1991 | CA1282460C Hermetically sealed package tester |
| 04/02/1991 | CA1282255C Device for hot testing the mechanical resistance of pressurized containers |
| 03/28/1991 | WO1991005246A1 Capacitance humidity sensor |
| 03/27/1991 | EP0418660A2 Communication cable |
| 03/27/1991 | EP0418321A1 Methods, systems and apparatus for detecting changes in variables. |
| 03/21/1991 | WO1991003735A1 Process for making a moisture sensor |
| 03/21/1991 | WO1991003734A1 Use of a swellable plastic and process for making a resistive moisture sensor |
| 03/21/1991 | DE3930530A1 Leakage monitoring system for thermally-insulated pipeline - uses longitudinal monitoring wires embedded in insulation with monitoring of complex electrical resistance |
| 03/20/1991 | WO1991004477A1 Piping abnormality monitoring apparatus |
| 03/20/1991 | EP0418209A1 Leak detecting procedure |
| 03/20/1991 | CN1012106B Method of location used in leak tracing detector |
| 03/19/1991 | US5001346 Identifying gas leakage |
| 03/19/1991 | US5001343 Apparatus and process for testing leaks in packaging for integrated circuits |
| 03/19/1991 | US5000044 Fluid level sensor |
| 03/19/1991 | US4999900 Method for installing product monitoring device in underground storage tanks |
| 03/14/1991 | DE3929506A1 Measuring contents of motor vehicle fuel tank - using pressure sensor for gas vol. above fuel level and evaluator |
| 03/14/1991 | DE3928679A1 Leak testing for vertical tank or tank colony - detecting pressure differences between point in liq. and point coupled to gas cushion via liq. at regular intervals |
| 03/13/1991 | EP0417061A1 Procedure and apparatus for locating the true leakage point of a pipeline guided in a wet medium |
| 03/13/1991 | CN1012014B Testing device for porous load sterilizing |
| 03/12/1991 | US4998439 Acoustic wave guide |
| 03/12/1991 | US4998435 Method and apparatus for leak testing of pipe |
| 03/12/1991 | US4998434 Permanent in-line |
| 03/12/1991 | CA1281243C Method and apparatus for judging inner pressure of filled can |
| 03/07/1991 | WO1991002958A1 Leakage detection system |
| 03/06/1991 | EP0415848A1 Method for monitoring flexible tubular cables and pipes during operation and acoustical pickup to implement this method |
| 03/06/1991 | EP0415338A1 Device for performing quality checks on crown caps and the like |
| 03/06/1991 | EP0414854A1 Liquid-detecting cable. |
| 03/05/1991 | US4998096 Multipurpose alarm device |
| 03/05/1991 | US4996879 Subsea pipeline leak detection |
| 02/28/1991 | DE3927938A1 Testing discharge pressure or container closures - by puncturing container in one chamber, and raising pressure until top blows in sealed chamber |
| 02/26/1991 | CA1280623C Cylinder head pressure testing apparatus |
| 02/21/1991 | DE3927126A1 Seal for engineered structures e.g. industrial reservoir floor - comprises sealing plate layer of non-corrosive metals stuck on solid lower layer e.g. concrete with fine layer |
| 02/19/1991 | US4993259 Method and apparatus for testing prefilled hydraulic systems |
| 02/19/1991 | US4993257 Method for storage tank leak detection having ground water compensation |
| 02/19/1991 | US4993256 In a hollow object |
| 02/19/1991 | CA2023518A1 Leak detector for containers |
| 02/19/1991 | CA1280294C Leakage detection with flexible bag |
| 02/14/1991 | DE3930551A1 Manufacturing product monitoring for properties w.r.t. pressure medium - subjecting it to medium and measuring pressure parameters taking account of leakage near test device |
| 02/13/1991 | EP0412193A1 Method and device for testing the tightness of electrical structural members |
| 02/13/1991 | CN1011616B Method for detecting of damage of corrosionresistant protective layer and measuring device for performing method |
| 02/12/1991 | WO1991002232A1 Leak protected vessel |
| 02/12/1991 | US4991426 Calibration of air leak detection apparatus |
| 02/12/1991 | CA2059551A1 Leak protected vessel |
| 02/09/1991 | CA2021659A1 Leakage detector system |
| 02/07/1991 | DE3925494A1 Verfahren und geraet zur abnahme und/oder pruefung der dichtigkeit von bereits gefuellten und hermetisch verschlossenen behaeltern Method and apparatus for inspection and / or testing the tightness of filled and sealed containers |
| 02/07/1991 | DE3925067A1 Measuring vol. of hollow body - releasing known vol. at defined pressure into body and into comparison vol. and comparing resulting pressure difference |
| 02/06/1991 | EP0411802A2 A method and apparatus for detecting changes in the liquid level of a storage tank |
| 02/05/1991 | US4991006 Apparatus using an everted hose for inspecting the interior of a lateral pipeline |
| 02/05/1991 | US4989990 Method and arrangement for measuring a temperature state of open container bodies |
| 02/05/1991 | US4989447 Liquid confinement leak detection system |
| 01/30/1991 | EP0410503A1 Method of making or renovating a tank and the tank obtained |
| 01/30/1991 | EP0410317A2 A non-invasive system and method for inspection of valves |
| 01/30/1991 | EP0410289A1 Micro-leakage regulating valve |
| 01/29/1991 | US4987769 Ultrasonic leak detection |