| Patents for G01M 3 - Investigating fluid tightness of structures (22,573) | 
|---|
| 09/28/1976 | US3982421 Seal tester | 
| 09/21/1976 | US3981181 Method for detecting liquid leak and a cable therefor | 
| 09/07/1976 | US3979668 Device for testing any leakage of vacuum-tight glass seals | 
| 09/07/1976 | US3979625 Halogens | 
| 09/07/1976 | US3978915 Condenser with leak detecting apparatus | 
| 09/07/1976 | US3978710 Apparatus for determining the degree of gas impermeability for watch cases and the like articles | 
| 09/07/1976 | US3978709 Detection of leakage from liquid-transporting pipeline | 
| 08/31/1976 | US3977233 Process and apparatus for the determination of concentration profiles of liquid or gaseous substances | 
| 08/24/1976 | US3975949 Leak detector probe for fuel rods | 
| 08/24/1976 | US3975945 Apparatus for testing pipe for leaks | 
| 08/24/1976 | US3975944 Hydrostatic testing and recording apparatus | 
| 08/24/1976 | US3975943 Method for detecting steam leakage in heat-exchanger having circulation tubes surrounded by liquid sodium and devices for the application of said method | 
| 08/17/1976 | US3974937 Monitory closure sealing mechanisms for storage facilities | 
| 08/17/1976 | US3974680 Pipeline leak detector | 
| 08/10/1976 | US3974330 Miniature underwater bore hole inspection apparatus | 
| 08/10/1976 | US3973441 Accelerometer pig | 
| 08/10/1976 | US3973429 Test apparatus for engine heads | 
| 08/03/1976 | US3973249 Apparatus for detecting leakage from container and method therefor | 
| 08/03/1976 | US3972223 Floating plant for charging and discharging mineral oil products and the like | 
| 07/27/1976 | US3971959 Timing mode selector | 
| 07/20/1976 | US3970863 Element and method for detecting leakage of petroleum products | 
| 07/20/1976 | US3969923 Leak detector | 
| 07/13/1976 | US3969187 Detection of fuel rod leakage | 
| 07/13/1976 | US3969077 Alkali metal leak detection method and apparatus | 
| 07/13/1976 | US3968675 Method and apparatus for preparing a mass spectrometer leak detector system for operation | 
| 07/13/1976 | US3968568 Encoder error correction means for use with a distance measuring wheel | 
| 06/29/1976 | US3967256 Integrity monitoring system for storage tank insulation | 
| 06/29/1976 | US3966871 Casting elastic plastics, hardening, removal | 
| 06/29/1976 | US3966088 Leak detection apparatus | 
| 06/22/1976 | US3964292 Gas detecting apparatus and methods | 
| 06/22/1976 | US3964171 Device for steplessly detecting the ovalizations and the projections on two orthogonal planes of the curved geometrical configuration of a submerged pipeline | 
| 06/15/1976 | US3962905 Fluid leak detection process and installation | 
| 06/01/1976 | US3960019 Cannister arrangement of transducers to monitor pressures | 
| 06/01/1976 | US3960002 Medical liquid container with tactile sterility indicator and method of testing container | 
| 06/01/1976 | US3960001 Bag filter leak detection | 
| 05/25/1976 | US3958607 Apparatus for sealing pipe leaks | 
| 05/25/1976 | US3958449 Process and apparatus for testing pipelines for leaks | 
| 05/25/1976 | US3958448 Test apparatus for pressurized container and method | 
| 05/18/1976 | US3958080 Visual inspection apparatus for conduits | 
| 05/18/1976 | US3956923 Method of detecting small gas leaks in filled aerosol containers | 
| 05/11/1976 | US3956604 High pressure apparatus having means for detecting a leakage | 
| 05/11/1976 | US3955406 Non-destructive hardness testing of articles such as cigarettes | 
| 05/04/1976 | US3955139 Zeroing circuit | 
| 05/04/1976 | US3955136 Machine for dielectrically detecting defects in flat rubber stock | 
| 05/04/1976 | US3954003 Apparatus for testing end closures | 
| 04/27/1976 | US3952759 Liquid line break control system and method | 
| 04/20/1976 | US3950983 Air leak detector | 
| 04/20/1976 | US3950982 Aerosol water bath | 
| 04/13/1976 | US3950739 Detector for detecting and locating the source of a contaminating gas or smoke in the atmosphere | 
| 04/13/1976 | US3949598 Method and means for indicating a leakage through the wall of a vessel | 
| 04/13/1976 | US3949596 Leak test fixture and method for using same | 
| 04/06/1976 | US3949292 Pipeline inspection device with pivotal support structure | 
| 04/06/1976 | US3948085 Ball launching head for testing a pipeline laid on a submerged bed | 
| 04/06/1976 | US3948083 Fluid pressure apparatus | 
| 03/23/1976 | US3946235 Helium resonance lamp and a leak detection system using the lamp | 
| 03/23/1976 | US3945244 Flame type halogen leak detector | 
| 03/16/1976 | US3943756 Wall inspection device | 
| 03/16/1976 | US3943752 Testing of cigarettes | 
| 03/02/1976 | US3942167 Immersion responsive sensor | 
| 02/24/1976 | US3940313 Device for detecting defective nuclear reactor fuel rods | 
| 02/24/1976 | US3940020 Leak detection system and method | 
| 02/24/1976 | US3939695 Apparatus for detecting leaks | 
| 02/17/1976 | US3938544 Valve with heat transport monitor for leakage determining rate | 
| 02/17/1976 | US3938368 Automatic air leak testing apparatus | 
| 02/10/1976 | US3938116 Leak detection device | 
| 02/10/1976 | US3937064 Membrane leak checking technique | 
| 02/03/1976 | US3935728 Testing of cigarettes | 
| 01/27/1976 | US3935567 Leak detection apparatus | 
| 01/20/1976 | US3933031 Submarine pipeline leak locator or the like | 
| 01/13/1976 | US3931731 Flux meter | 
| 01/06/1976 | US3930556 Method of detecting leak of fluid from a long pipeline | 
| 01/06/1976 | US3930401 Container and leak-testing system therefor | 
| 01/06/1976 | US3930400 Self-operating machine for dry test of hollow bodies of the heat exchanger type and the like |