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| Number | Title | Issue Date |
| 7231812 | Conduit breach location detector A conduit breach location detector for detecting leaks in a conduit is disclosed. The conduit breach location detector includes a shuttle cage for connection to the conduit. A sounding shuttle is provided in the shuttle cage. A sounding cable may be connected to the... | 06/19/2007 |
| 6957567 | Method and system for the controlled application of fluid pressure to a load, especially for pressure testing pipe A method and system for the controlled application of fluid pressure of a load, such as a large pipe to be pressure tested utilized small pressure converters which are operated by a common controller at the hydraulic side to fill and pressurize the pipe. One pressur... | 10/25/2005 |
| 5588472 | Method for combined gas fill and proof test of pressure vessels A method of filling and proof testing pressure vessels, such as hybrid air bag inflators, with gas. A method of filling a pressure vessel where the volume and temperature of the gas going into the vessel are controlled to ensure a consistent fill mass. By... | 12/31/1996 |
| 4905502 | Pressure vessel fatigue test system A pressure vessel fatigue test system has an adjustable mounting arrangement for a pressure vessel that can have open ends or closed ends, and which is to be subjected to a very high value, short duration pressure pulses, under controlled test conditions,... | 03/06/1990 |
| 4569225 | Test apparatus in which extremely high test pressures can be generated in hollow bodies in a fraction of a second In the test apparatus for a hollow body having a volume of approximately 1 to 10 cubic decimeters (1 to 10 liters), pressures can be generated using a fluid medium which is compressible within the hollow body with a compressibility of down to 1% per 1000 ... | 02/11/1986 |
| 4528840 | Hydrostatic test stand A hydrostatic test stand provides proof-testing of pressure vessels by measuring the amount of total deformation and permanent deformation as a result of a hydrostatic pressure applied to the pressure vessel. The test stand includes a transfer cylinder (w... | 07/16/1985 |
| 4510791 | Method and apparatus for testing the air-tightness of a building using transient pressurization A method and apparatus for testing the air-tightness of an enclosure such as a house or building, includes the increasing of the pressure within the enclosure relatively rapidly to above a predetermined amount with all doors and windows being closed and t... | 04/16/1985 |
| 4416147 | Apparatus and method for hydrostatically testing pipe An apparatus and method for hydrostatically testing pipe is disclosed. Means are provided for externally exerting a force against test plugs sealing the ends of a pipe being tested to oppose forces tending to push the test plugs out of the ends of the pip... | 11/22/1983 |
| 4285230 | Bottle tester A tester for testing the physical characteristics of bottles such as the degree of stretch of a plastic bottle and the pressure required for rupturing a glass bottle. The apparatus includes an elongated cylinder having a bore extending therethrough. A pis... | 08/25/1981 |
| 4154092 | Pneumatic gross leak detector A pneumatic gross leak detector for testing micro-electronic packages. The pparatus includes a frame having a vertically movable upper section and a stationary lower section. A chamber is provided with walls which are secured to the upper section for movem... | 05/15/1979 |
