Patents for G01M 3 - Investigating fluid tightness of structures (22,573)
03/1981
03/18/1981EP0025344A1 A fluid transport hose
03/11/1981EP0024421A1 Method and apparatus for the leak testing of filters.
03/10/1981US4254655 Hydraulic fill valve
03/10/1981CA1097138A1 Gas-fluid-sound isolation door assembly with integral testing means
02/1981
02/24/1981US4253167 Method of marking and detecting a pipeline location
02/24/1981US4252088 Differential switch for detecting leaks
02/17/1981US4250740 Method for evaluating effectiveness of track link seals
02/17/1981CA1096009A1 Electronic fluid pipeline leak detector and method
02/10/1981US4249565 Timed water shut off system
02/10/1981US4249413 Method and device for locating a defective tube in a steam generator tube bundle
02/10/1981US4249412 Fluorescent leak detection composition
02/03/1981CA1095124A1 Pneumatic drive device for a probe particularly an eddy current measuring probe
01/1981
01/28/1981EP0023031A1 Method for locating a leak in a buried tube
01/27/1981USRE30493 Apparatus for the prevention or limitation of water damage
01/27/1981US4246776 Leak scope for detecting leaks in plumbing equipment
01/27/1981CA1094543A1 Leak detection system for duplex tube heat exchangers
01/20/1981US4246604 Pipe inspection apparatus
01/20/1981CA1094232A1 Apparatus for the in-situ inspection of tubes while submerged in a liquid
01/20/1981CA1093859A1 Microcircuit fine leak test apparatus
01/13/1981US4244296 Self-propelled vehicle
01/13/1981US4244209 Testing of fluidic devices
01/13/1981US4244208 High-pressure leak testing apparatus and packer
01/07/1981EP0021816A1 Method and system of detecting pinholes in hollow fibres
01/06/1981US4243932 Method and system for checking sealed containers for pinholes by comparing two discharge currents
01/06/1981CA1092968A1 Hydraulic test tool and method
12/1980
12/23/1980CA1092234A1 Method and apparatus for detecting and locating fluid leaks
12/23/1980CA1091988A1 Leak detecting apparatus
12/16/1980US4238953 Emission test method for floating roof seals and apparatus useful therefor
12/11/1980WO1980002734A1 Method of locating damage in a pressure pipe-line system
12/10/1980EP0020256A1 A method of assembling and testing a sealed structure, particularly a fluid pressure servomotor
12/10/1980EP0019968A1 A system for detecting cracks in the heat-insulating lining of a container for liquefied gas
12/09/1980US4237936 Pig trap closure
12/09/1980US4237723 Control means for a pipe tester
12/09/1980CA1091328A1 Method and automatic device for the testing of tight cavities
12/02/1980CA1090550A1 Use of odoriferous compounds to detect gas losses in freon systems
11/1980
11/25/1980US4235100 Comprehensive coolant system tester
11/25/1980CA1090205A1 Method and apparatus for container pressure testing
11/12/1980EP0018916A1 Sub-unit for detecting liquid-metal leaks and detection device comprising several sub-units of this type
11/12/1980EP0018536A1 Flaw indicator for the surveillance of the isolation of liquefied-gas storage tanks
11/11/1980US4232736 Leak detection system and control using non-rigid bladder
11/11/1980US4232551 Leak detector for vaporization cooled transformers
11/11/1980US4232546 Method and apparatus for tube leakage testing
11/04/1980CA1089079A1 Method for testing filled glass containers
10/1980
10/28/1980CA1088332A1 Apparatus and method for freezing a slug of liquid in a section of a large diameter fluid transmission line
10/14/1980US4227309 Pipeline pig having gauging plate
10/14/1980CA1087466A1 Leak detector
10/07/1980US4226113 Leak detecting arrangement especially suitable for a steam condenser and method
10/07/1980US4226023 Portable device for determining physical qualities of pressurized container contents
10/01/1980EP0016656A1 Testing vehicle seals
09/1980
09/30/1980CA1086852A1 Gathering line leak detection system tester
09/30/1980CA1086463A1 Leak-detecting apparatus
09/23/1980US4223696 Apparatus for the purpose of avoiding pressure drop between a gaseous or vaporous phase and a liquid phase
09/18/1980WO1980001952A1 Method and apparatus for the leak testing of filters
09/18/1980WO1980001943A1 Device for location of points of loss in a pressure pipe-line
09/18/1980WO1980001942A1 Device for automatic location of points of loss in a pressure pipeline
09/18/1980WO1980001941A1 Device for location of points of loss in a pipe-line
09/17/1980EP0015874A1 Method for leak rate determination
09/09/1980US4221962 Fiber-optic moisture sensor for composite structures
09/09/1980US4221124 Bladder leak and rupture detector
09/03/1980EP0014762A1 Annular weld inspection apparatus
09/02/1980US4220012 Apparatus for freezing a slug of liquid in a section of a large diameter fluid transmission line
09/02/1980US4220010 Loss of refrigerant and/or high discharge temperature protection for heat pumps
09/02/1980CA1084733A1 Control means for a pipe tester
08/1980
08/26/1980US4218914 Liquid fluorocarbon
08/26/1980US4218913 Apparatus for inspecting plastic containers
08/26/1980CA1084351A1 Device for detecting leakage in hydraulic systems
08/26/1980CA1084302A1 Pressure test fixture for pressurized containers
08/26/1980CA1084301A1 Apparatus for pressure testing frangible containers
08/20/1980EP0014616A1 Process and apparatus for withdrawing from or reinserting into the lower chamber of a tube heat exchanger a probe carrier
08/20/1980EP0014472A1 Airtightness testing apparatus for watches
08/12/1980CA1083528A1 Method and apparatus for monitoring a cathodically protected corrodible hollow member
08/12/1980CA1083433A1 Apparatus for pressure testing of containers
08/05/1980CA1083247A1 Device for testing the surface quality of a vessel mouth
08/05/1980CA1082995A1 Leakage protective apparatus for storage containers or the like
07/1980
07/23/1980EP0013466A1 Temperature monitoring device
07/22/1980US4213329 Method and apparatus for inspecting containers
07/15/1980US4212192 Balloon testing device
07/09/1980EP0013264A1 Hose-break valve
07/08/1980US4211260 Multilayer vessel or tube construction
07/08/1980US4211111 Infiltration-inflow sewer line analyzer
07/08/1980US4211107 Pipe testing machine with clamping pressure keyed to hydrostatic test pressure
07/01/1980CA1080555A1 Method of detecting defective portion of sealing
06/1980
06/24/1980USRE30311 Apparatus and method for externally testing conduit connections
06/24/1980CA1080272A1 Pipe couplings
06/17/1980US4207911 Operating station for a duct system through which a plug body is pumped
06/11/1980EP0011672A1 Arrangement and method for detecting the development of a failure in a weld deposit
06/10/1980US4206871 Leakage indicator for centrifuge
06/10/1980US4206632 Liquid detecting device
06/10/1980US4206631 Inflatable product testing
06/03/1980US4206402 System and method for detecting leakage in a pipeline or tank
06/03/1980US4205551 Seal tester
05/1980
05/28/1980EP0011329A1 Process and device for automatically detecting leaks in a pipeline
05/28/1980EP0011204A1 A system for detecting and indicating the occurrence of perforations in protective operation gloves
05/27/1980US4205249 Air cooled for greater sensitivity and longer life
05/27/1980US4204908 Method of identifying leaky components of a multi-component system
05/20/1980US4203321 Method and apparatus for testing hydraulic and pneumatic systems
05/14/1980EP0010575A1 Method and device for the quantitative measurement of loss of water in buried conduits
05/13/1980US4202202 Method and apparatus for detecting deflect in liquid metal handling instruments
05/13/1980US4202201 Isolation and dust sealing door assemblies with integral testing means
05/13/1980CA1077349A1 Method and apparatus for the leak testing of filters