Patents for G01M 3 - Investigating fluid tightness of structures (22,573) |
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05/14/1992 | DE4136927A1 Leak detection and location in pipes, esp waste water pipes - involves applying potential on waste water flow |
05/14/1992 | DE4035739A1 Leakage testing device for valve - uses reciprocating piston for supplying test pressure fed to valve seat |
05/12/1992 | US5112196 Method and apparatus for analyzing the operating condition of a machine |
05/12/1992 | US5111684 Method and apparatus for leak testing packages |
05/12/1992 | CA1300399C Apparatus to check the integrity of gas-tight seals between sections ofpipe |
05/12/1992 | CA1300396C2 Seal testing of containers |
05/07/1992 | DE4035092A1 Detecting impermissible mixtures of media in heat exchangers - using medium of known concn. for one period with increase in concn. after defined period for timely leak detection |
05/06/1992 | EP0483498A2 Piezoelectric air pressure variation detector |
05/06/1992 | CN2103804U Harmless detector for can vacuum degree |
05/05/1992 | USH1045 Air bubble leak detection test device |
04/30/1992 | WO1992007249A1 Methods and sensor systems for sensing hydrocarbon-containing fluids based on fluorescence detection |
04/30/1992 | WO1992006932A1 Covering material for optical-fiber sensor for detecting leakage oil |
04/30/1992 | DE4042421A1 Container volume measuring method |
04/30/1992 | DE4034106A1 Battery cell leakage testing device using pressurised air - compares measured pressure drop within each battery with reference value obtained from defined curve |
04/29/1992 | EP0482422A2 Method of testing the fluid tightness of cells of starter-batteries using compressed air |
04/28/1992 | US5109218 Hydrocarbon detection circuit |
04/28/1992 | US5109215 Means and method for monitoring a protective garment |
04/28/1992 | US5109202 Conductive resin structure for connecting metal conductors |
04/28/1992 | US5107699 Area converter for volumetric leak detector |
04/28/1992 | US5107698 Smoke generating apparatus and method for in situ vacuum leak detection |
04/28/1992 | US5107697 Tracer gas leak detection system |
04/28/1992 | CA1299394C Testing containing seals |
04/28/1992 | CA1299393C Process for monitoring the leaktightness of a storage facility, and storage for utilizing it |
04/23/1992 | DE4033473A1 Measuring leakage rate of slide ring seal - mixes leakage fluid in gaseous state with inert gas and measures concentration of leakage fluid in the mixt. |
04/22/1992 | EP0481414A1 Leak detection using tracer gas |
04/21/1992 | US5105654 Method for inspecting leakage of sealed container |
04/21/1992 | US5105653 Pressure testing device for vehicle radiators and cooling systems |
04/15/1992 | CN2101865U Display for air leakage |
04/14/1992 | US5103675 Signal detector and method for detecting signals having selected frequency characteristics |
04/09/1992 | DE4031347A1 Heater leak indication device - automatically cuts out feed pump when leak detected by differential pressure switch |
04/08/1992 | EP0478950A2 Device for detecting and signalling fluids |
04/08/1992 | CN2101230U Main shaft diameter variation structure for mechanical seal experiment bench |
04/07/1992 | US5103410 Line leak test apparatus with jam proof reset |
04/07/1992 | US5102481 Method of building double walled fibrous reinforced resinous storage tanks with common rib supports |
04/07/1992 | US5102012 Fuel dispensing system having a flexible hose with a static dissipater and a fuel leak detector |
04/07/1992 | US5101657 Sensors for detecting and locating fluids |
04/02/1992 | WO1992005418A1 Hydrostatic testing apparatus |
04/02/1992 | DE4114601A1 Sewerage pipe inspection appts. - has inspection units movable in pipe and radio link for control and evaluation |
04/01/1992 | EP0477640A1 Device for controlling the tightness of a piece |
03/25/1992 | EP0477167A2 Method and arrangement for area monitoring |
03/24/1992 | US5099437 Emissions monitoring and tracking system |
03/24/1992 | US5099108 Electric control system for liquid heating apparatus of the pulse combustion type |
03/24/1992 | US5098643 Method for detecting leaky rods in a nuclear fuel assembly |
03/24/1992 | US5097697 Method and apparatus for airburst testing condoms and the like |
03/24/1992 | CA1297986C System for monitoring pipelines |
03/19/1992 | WO1992004610A1 Apparatus and methods for detection of leaks in pressurized pipeline systems |
03/19/1992 | WO1992004609A1 Fuel dispensing system and method of making the same |
03/19/1992 | WO1991019191A3 Multi-level probe and system for measurement of physical conditions in liquid-containing tanks |
03/19/1992 | DE4029186A1 Monitoring system for waste water channels - electronically detects waste water escaping from and ground water entering pipes using pulse echo measurement |
03/19/1992 | DE4028883A1 Indicating unwanted operating state of machine, esp. leak - by detecting change in reflectivity of reference surface when moistened |
03/18/1992 | EP0475246A1 High flow leak detector with three molecular filters |
03/18/1992 | CA2051533A1 Procedure for monitoring an area of ground |
03/17/1992 | US5095739 Tank leak detector |
03/17/1992 | US5095738 Internal combustion engine head leak tester |
03/17/1992 | US5095737 Ribbed storage tanks made of metal |
03/17/1992 | US5095736 Portable gas cylinder safety delivery system |
03/17/1992 | CA1297576C Ultrasonic transducer and current loop transmitter |
03/11/1992 | EP0474066A1 Gas pumping apparatus by a liquid sealed vane pump and application to helium leakage detectors |
03/04/1992 | EP0473173A2 Apparatus and method for detecting leaks in packages |
03/04/1992 | EP0472690A1 Method and apparatus for leak testing |
03/04/1992 | CN2098027U Double-sensor cable leakage-testing instrument |
03/04/1992 | CN2098026U Halogen chase leaks tube with measuring pressure |
03/04/1992 | CN2098025U Rotary steel cylinder angle valve check table |
03/03/1992 | US5092367 Asymmetrical skid assembly |
03/03/1992 | US5092162 Static pressure testing apparatus |
03/03/1992 | US5092161 Duct testing |
03/03/1992 | US5092158 Apparatus for testing leak detectors |
03/03/1992 | CA1296583C Heat exchanger leak detection |
02/25/1992 | US5091716 Liquid line leak detection method and apparatus |
02/25/1992 | US5091715 Leak detection and alarm system |
02/25/1992 | US5090871 Junction assembly with leak detection means |
02/25/1992 | US5090259 Pipe-inspecting apparatus having a self propelled unit |
02/25/1992 | US5090234 Positive displacement pump apparatus and methods for detection of leaks in pressurized pipeline systems |
02/20/1992 | WO1992002833A1 A method for deconvolution of non-ideal frequency response of pipe structures to acoustic signals |
02/20/1992 | WO1992002789A1 Automatic tank gauging system with a quasi-static reference subsystem |
02/20/1992 | DE4042396A1 Sewer leak locating system - has pressure chamber formed between double walls on travelling remote controlled machine |
02/20/1992 | DE4025751A1 Seal tester for individual units of telecommunications system - uses pressure plate connected to plug in unit and main unit e.g. short wave receiver and transmitter |
02/18/1992 | US5089214 Apparatus for monitoring the pressure within a cask containing radioactive material |
02/18/1992 | US5088317 Method and apparatus for detecting liquid leaks from above-ground storage tanks |
02/18/1992 | CA1295851C Instrument to measure leakage of steam from a steam trap |
02/13/1992 | DE4039863C1 Insulated double pipe - has nested pipes with foaming heat insulation in between, plus leakage sensor line below inner pipe, screened from insulation by cover film |
02/12/1992 | EP0470366A2 Leak detecting method for vessels |
02/12/1992 | CN2096060U Pocket leakage detector |
02/12/1992 | CN2096059U Positive and negative pressure leakage detector for insulation pipe outlet |
02/11/1992 | US5086806 Automatic flow control system and flood protector |
02/11/1992 | US5086644 Ultra sensitive leak detection |
02/11/1992 | CA1295683C Method for detecting of a damage of a corrosion-resistant protective layer and measuring device for performing the method |
02/06/1992 | DE4024049A1 Monitoring sealing of water barriers in building structure - using electrical sensors between inner structure and roof covering connected to evaluation unit |
02/05/1992 | CN1058484A Apparatus and method for monitoring pressure within cask containing potentially hazardous gas |
02/04/1992 | US5086403 Liquid leak test probe with compensation for gas in line |
02/04/1992 | US5085576 Apparatus and method for detecting leaks in a system for delivering gaseous fuel |
01/29/1992 | EP0468233A2 Cask for storage or transport of radioactive materials |
01/29/1992 | EP0467988A1 Method and apparatus for testing personal barriers |
01/29/1992 | CN1058269A Full automatic monitoring method and apparatus for inflated cable leakage inspection |
01/28/1992 | US5084764 Pipe inspection system |
01/28/1992 | US5083451 Method and apparatus for monitoring aircraft fuselage deterioration |
01/23/1992 | WO1992001232A1 Method and apparatus for testing a proctective barrier material for pinholes and tear strength |
01/22/1992 | EP0466825A1 Quantifying isolation valve leakage |
01/22/1992 | CN2094055U Vacuum in cans measuring and controlling apparatus |
01/21/1992 | US5083082 Dipping into liquid polymer to evidence bubbles from cavities in sample; thermal, shock test; endcapped perfluoro propylene glycol polyether |