Patents for G01M 3 - Investigating fluid tightness of structures (22,573)
03/1978
03/14/1978US4078833 Testable pipe saddle
03/14/1978US4078421 Method and automatic device for the testing of tight cavities
03/07/1978US4077427 Leak detector valve assembly
02/1978
02/21/1978US4075601 Combined pipeline marker and test unit
02/07/1978US4072427 Fault inspection system
01/1978
01/31/1978US4070904 Pipeline joint tester
01/24/1978US4069704 Variable length encapsulating pressure drop tester
01/17/1978US4068522 Gas leak detector
01/10/1978US4067349 Packer for testing and grouting conduits
01/10/1978US4067329 Tube disconnection warning device
01/10/1978US4067228 Pipe testing apparatus
01/03/1978US4066095 Automatic leakage detection system for pipelines carrying fluids
12/1977
12/27/1977US4064740 Apparatus and method for measuring permeability
12/06/1977US4061965 Method and apparatus for monitoring a cathodically protected corrodible hollow member
12/06/1977US4061015 Pipe pressure testing device
12/06/1977US4061014 Bottle inspection apparatus
11/1977
11/29/1977US4059985 Head gasket leak detector
11/29/1977US4059984 Fluid leak detector
11/22/1977US4059120 Manufacture of cigarettes
11/08/1977US4057081 Pipeline pigs
11/01/1977US4055985 Apparatus for testing the surface quality of a vessel mouth
11/01/1977US4055984 Device for detecting leaks in flexible articles
10/1977
10/25/1977US4055075 Method and apparatus for the leak testing of filters
10/25/1977US4055074 Window method for measuring leakage
10/04/1977US4051717 Testing shaft seals without pressuring system to operating pressure
10/04/1977US4051716 Leak detector
10/04/1977US4051715 Linebreak detection system
10/04/1977US4051714 Sonic signalling transducer
09/1977
09/27/1977US4050298 Manually operated control valve and testing apparatus incorporating such valve
09/20/1977US4048845 Canning jar lid test device and method
09/13/1977US4047424 Apparatus for non-destructive leak testing of primary electrochemical cells
09/13/1977US4047423 Leak detector for engine chambers
09/13/1977US4047422 Process for measuring permeability to gas of walls and/or closure of three-dimensional encasing elements
09/13/1977US4047421 Apparatus for calibrating cigarette inspection device
09/06/1977US4046220 Method for distinguishing between single-phase gas and single-phase liquid leaks in well casings
09/06/1977US4045996 Test fixture for leak detectors
08/1977
08/30/1977US4044798 Adhesive bonded hydrotest plug and method for using the same
08/30/1977US4044605 Apparatus for measuring fouling on the inside of a heat-exchanger tube
08/23/1977US4043355 Combined flow measuring and valve leakage indicator
08/23/1977US4043182 Testing of cigarettes
08/23/1977US4043180 Gathering line leak detection system tester
08/16/1977US4041772 Apparatus for locating punctures in tires
08/16/1977US4041771 Temperature-sensitive detector
08/09/1977US4040289 Method and arrangement for air testing of sewer lateral connections
08/02/1977USRE29330 Leak detector valve assembly
08/02/1977US4039375 Detection of fuel rod leakage
07/1977
07/19/1977US4036915 Temperature-controlled apparatus for fluid permeation or the like
07/19/1977US4036685 Magnesium oxide absorber
07/12/1977US4034598 Method for testing seals of electrical energy storage devices
07/05/1977US4033175 Gas leakage measuring device
07/05/1977US4033174 Device for testing any leakage of vacuum-tight glass seals
07/05/1977US4033172 Apparatus for testing hollow bodies
06/1977
06/28/1977US4031742 Leak detector using mass concentration gauge
06/14/1977US4029889 Fluid-leak detector cable
06/14/1977US4028928 Method of detecting very small gas leakages through a liquid seal around a passage
06/07/1977US4027797 Automatic air leak testing apparatus and method
06/07/1977US4027513 Sealing device for can testing machines
05/1977
05/24/1977US4024893 Pipe proof test fixture
05/17/1977US4023412 Method and apparatus for detecting temperature variation utilizing the Curie point of a ferromagnetic material
05/03/1977US4020674 Pipeline leak detector with baffles
04/1977
04/26/1977US4020478 Moisture detecting device
04/26/1977US4019371 Apparatus and method for externally testing conduit connections
04/26/1977US4019370 Leak testing device and method for plastic bottles
04/19/1977US4018079 Method and apparatus for testing hydraulic releases
04/12/1977US4016749 Method and apparatus for inspection of nuclear fuel rods
04/12/1977US4016748 Pipeline and leak locater and method
04/12/1977US4016743 Variable leak gas source
03/1977
03/22/1977US4013905 Remote acoustic probe
03/22/1977US4012945 Means for testing containers for leakage
03/22/1977US4012944 Electronic fluid pipeline leak detector and method
03/08/1977US4011553 Remote detector to indicate leakage of liquids in toilet tanks
03/08/1977US4010877 Work fixture and folding method
03/08/1977US4010840 Automatic air leak testing apparatus for multiple chambered containers
03/08/1977US4010636 Vessel examination system
03/08/1977US4010633 Annular seal
02/1977
02/22/1977US4008619 Vacuum monitoring
02/15/1977US4007628 Remote flow transducer for communication cable
02/01/1977US4006359 Pipeline crawler
01/1977
01/11/1977US4002055 Process and apparatus for testing the tightness of seam joints of synthetic resin sheets by means of vacuum
01/11/1977US4002054 Method and means for volumetric expansion testing
01/04/1977US4001764 Acoustic method for detecting leaks from submerged pipelines
12/1976
12/21/1976US3999065 Leak detection system with wire probe
12/21/1976US3998091 Test apparatus for determining quality of packaging for vacuum packaged products
12/14/1976US3997783 Method for testing the adhesion between the rubber compound and the cord fabric of a pneumatic tyre
12/14/1976US3996789 Leak detection
12/07/1976US3995473 Inspection head
12/07/1976US3995472 Detector system
11/1976
11/30/1976US3994173 Remote orientation of a probe in a tubular conduit
11/23/1976US3992924 Underwater pipelines
11/23/1976US3992923 Underwater pipelines
11/16/1976US3991622 Apparatus for measuring airtightness of sealed body
11/16/1976US3991604 Work fixture and testing method
11/02/1976US3988922 Vessel examination system
10/1976
10/26/1976US3987817 Test valve for fluid actuated pilot valve
10/26/1976US3987664 Dry-testing system for detecting leaks in containers
10/26/1976US3987663 Method and apparatus for quickly testing the sealing effectiveness of a radial-lip shaft seal
10/26/1976US3987662 Fluid leakage detection apparatus
10/19/1976US3986387 Supporting fixtures for pressure-testing pipe sections
10/12/1976US3985018 Container seal prover
10/05/1976US3984008 Apparatus for automatizing flaw detection