Patents for G01M 3 - Investigating fluid tightness of structures (22,573)
10/1992
10/07/1992CN2118309U Comprehensive check apparatus for gaseous relay
10/06/1992US5153564 Leak damage prevention system
10/06/1992US5152167 Method and apparatus for measuring leakage in a fluid system
10/06/1992CA2055181A1 Automatic flow control system and flood protector
09/1992
09/30/1992EP0506013A2 Device for testing pipes
09/30/1992EP0505721A1 Apparatus for leak testing of pipe joints
09/30/1992EP0505581A1 Covering material for optical-fiber sensor for detecting leakage oil
09/29/1992US5151882 Method for deconvolution of non-ideal frequency response of pipe structures to acoustic signals
09/29/1992US5150605 Package integrity detection method
09/29/1992US5150603 Hydrocarbon vapor sensor and system
09/24/1992DE4208585A1 Testing gas pipe seals for suitability for natural gas - using test gas hold at raised pressure during test interval where gas supply is lower pressure town gas
09/24/1992DE4109555A1 Checking position of test object on carrier, e.g. drinks container - by detecting light reflected or scattered by object and varying positional relationship of source, carrier and detector to achieve defined intensity
09/24/1992DE4109520A1 Device for sealing and monitoring space e.g. waste material dump - in which space is enclosed by two sealing layers between which are distance pieces and passages through which fluid medium is circulated
09/23/1992WO1992016316A1 Element for sealing and monitoring a body, in particular a refuse dump
09/22/1992US5148712 Ball deflator
09/22/1992US5148699 Stuffing box leak detector
09/22/1992CA1307839C Leak detection and multispectral survey system
09/19/1992CA2038479A1 A device for detecting loss of refrigerant in an airconditioner
09/17/1992WO1992015820A1 A method and a system for detecting and localizing leaks in pressurized conduits or conduit networks
09/17/1992DE4109035A1 Test arrangement esp. for fittings operating with gaseous media
09/16/1992EP0503925A1 Gas leak detection system
09/15/1992US5146784 Sensor for measuring liquid-level changes in storage tanks
09/15/1992US5146778 Oil and/or water detection apparatus
09/09/1992EP0332652B1 Method and apparatus for locating leaks in a multiple layer geomembrane
09/09/1992EP0242363B1 Method for leak detection in a pipeline system
09/03/1992WO1992011520A3 Functional testing of solenoid valves in air
09/02/1992EP0501431A2 Mass flow sensor for very low fluid flows
08/1992
08/27/1992DE4105044A1 Leak locating method in seals, esp. in roofs - using visual monitoring sectors containing water soluble pigments applied to seal by welding or adhesive
08/25/1992US5142143 Method and apparatus for preconcentration for analysis purposes of trace constitutes in gases
08/25/1992US5140848 Plastic liner pipe penetration adapter
08/25/1992US5140847 Cable for detecting location of liquids
08/20/1992WO1992014058A1 Junction assembly with leak detection means
08/20/1992DE4104639A1 Checking seals of breathing masks - using ethanol-sensitive test strip in atmos. contg. ethanol
08/20/1992DE4104503A1 Pipe-joint gas sealing testing method - applying indicator gas externally via gas-tight collar applied to each joint, flushing pipe internally to carry gas to detector
08/19/1992EP0499259A2 Means for detecting leaks in the intake manifold of vehicles
08/18/1992US5139044 Fluid control system
08/18/1992US5138871 Method and apparatus for testing the permeability of prophylactics
08/18/1992CA1306526C Leak detector
08/14/1992CA2061153A1 Line leak detector and method
08/13/1992DE4104216A1 Leitungsrohr zum transport eines mediums Conduit for transporting a medium
08/13/1992DE4103606A1 Combined acid protection with corrosion safety and sealing system for containers - are movable also for their openings of any shape, with individual functions permanently monitored at container and defects indicated
08/12/1992EP0498434A1 Gas leakage testing method and device
08/12/1992EP0498341A1 Contact detecting and signaling device
08/12/1992EP0497838A1 Container.
08/12/1992CN2112815U Leakage detector
08/11/1992US5138153 Distributed fiber-optic sensor with substance selective permeable coating
08/11/1992US5136876 Apparatus and process for determining fluid leak rates
08/05/1992EP0496800A1 Containers
08/05/1992CN2112152U Borehole two-end seal leakage detector
08/04/1992US5134877 Portable, counterflow helium leak detector for testing an enclosure having its own pumping equipment
08/04/1992US5134876 Acoustic emission leak simulator
07/1992
07/28/1992US5134377 TDR system and method for detecting leakage of a liquid
07/28/1992US5133167 Ceiling panel
07/28/1992CA1305795C Volumetric leak detection system for underground storage tanks and the like
07/22/1992CN1062974A Technology for drilling hole sublevel filling water and measuring leakage by blowing
07/21/1992US5132923 System for monitoring storage tanks
07/21/1992US5131264 Above-ground storage tank liquid leak detector
07/21/1992US5131263 Device and a method for detecting leaks
07/21/1992US5131262 Apparatus for detecting leaks in fuel dispensing systems
07/21/1992CA1305386C Angioplasty dilating guide wire
07/14/1992US5130951 Method for reducing noise effects in acoustic signals transmitted along a pipe structure
07/14/1992US5130708 Boat sinking warning device
07/14/1992US5129256 Method and apparatus for leak testing of condoms by pressure differential
07/10/1992CA2033852A1 Method of testing the strength of seams in plastic sheets
07/09/1992WO1992011520A2 Functional testing of solenoid valves in air
07/09/1992WO1992011457A1 Method and apparatus for analyzing the operating condition of a machine
07/08/1992EP0493502A1 Capacitance humidity sensor
07/07/1992US5127540 Double shell thickener
07/07/1992US5127266 Methods for liquid measurement using quasi-static reference subsystem
07/07/1992US5127260 Method of testing the strength of seams in plastic sheets
07/01/1992EP0492187A2 Fluid localization cable
06/1992
06/30/1992USRE33977 Ultrasonic leak detecting method and apparatus
06/30/1992US5126934 Gas distribution system
06/30/1992CA1304470C Solvent leak detecting sensor
06/25/1992DE4041635A1 Trolley mounted assembly to automatically test filter ceilings - for integrity in clean rooms
06/25/1992DE4041588A1 Mobile particle sampler and counter - useful for automatic in situ checking of integrity of clean room ceiling filter panels
06/17/1992EP0489826A1 Use of a swellable plastic and process for making a resistive moisture sensor.
06/17/1992EP0489825A1 Process for making a moisture sensor
06/17/1992CN2107655U Sleeve sealing testing device
06/11/1992WO1992009872A1 Device for monitoring the sealing of pipes and structures of thermoplastic material in the open and in the ground
06/11/1992DE4032999A1 Automatic seal testing machine for hollow bodies - has cassettes in pivoting table moving between load-unload and test positions and uses electronic evaluation unit and sorting mechanism to maximise throughput
06/10/1992EP0489615A1 Method and device for controlling the tightness of an enclosure like a gas meter
06/09/1992US5121340 Multi-level probe and system for measurement of physical conditions in liquid-containing tanks
06/09/1992CA1303204C Acoustic emission leak source location
06/04/1992DE4038266A1 Testing gas pressure tightness, esp. sulphur hexa:fluoride tightness of capacitors - placing component in container, evacuating container, then taking and measuring gas sample
06/03/1992EP0487919A1 Leak detector apparatus
06/03/1992CN1061669A 空气压力变化探测器 Air pressure variation detector
06/02/1992US5118140 Tool for smooth wall tubes
06/02/1992US5117678 Method for storage tank leak detection having ground water compensation
06/02/1992US5117677 Two-stage vacuum monitoring and leak detection system for liquid product containment facilities
06/02/1992US5117676 Leak detector for natural gas pipelines
05/1992
05/29/1992WO1992008961A1 Method for reducing the volume of vapors released during tank leakage testing
05/27/1992DE4137108A1 Monitoring sealing of thermoplastic pipes above and below ground - using electrically conducting thermoplastic film connected to high impedance resistance measurement device with counter electrode
05/26/1992US5116196 Mechanical pump assembly for pumping a secondary vacuum, and a leak detection installation using such an assembly
05/26/1992US5115668 Non-invasive pressure measuring device and method
05/20/1992EP0485914A2 Method of detecting and locating leaks in sewage pipes
05/19/1992US5114425 Method and apparatus for detecting actual or likely adulteration of critical use gloves
05/19/1992US5113705 Functional testing of solenoid valves in air
05/19/1992US5113694 Modified pressure regulator valve for single car testing device
05/19/1992CA1301331C Steam leakage measuring device