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Class Information
Number: 405/54
Name: Hydraulic and earth engineering > Fluid control, treatment, or containment > Fluid storage in earthen cavity > With indicator or alarm means
Description: Method or apparatus wherein means are included for sensing a characteristic of the fluid or a change therein and for providing a signal capable of being perceived by the senses.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8690476 Method and system for storing hydrogen in a salt cavern with a permeation barrier Apr. 8, 2014
8454268 Gaseous sequestration methods and systems Jun. 4, 2013
8256992 Underground sequestration system and method Sep. 4, 2012
8206985 Method of determining the effect of a spill on a marine environment Jun. 26, 2012
6834534 Fuel storage tank leak prevention and detection system and method Dec. 28, 2004
6766620 Building levelling system Jul. 27, 2004
6551024 System and method for detecting leaks in underground storage tank Apr. 22, 2003
6139222 Method and apparatus for containment of or protection from hazardous or undesirable materials Oct. 31, 2000
6056477 Waste disposal site May. 2, 2000
6035701 Method and system to locate leaks in subsurface containment structures using tracer gases Mar. 14, 2000
5988945 Method for preventing corrosion of the vessel of a storage tank, and storage tank for implementing it Nov. 23, 1999
5934830 Apparatus for preventing corrosion of the vessel of a storage tank Aug. 10, 1999
5909983 Emergency water reservoir apparatus Jun. 8, 1999
5850144 Method for detecting leaks in a membrane Dec. 15, 1998
5663490 Breakage detection system for water-barrier sheet in waste disposal facility Sep. 2, 1997
5595456 Water-tight riser for underground storage tank manway Jan. 21, 1997
5588779 Sight, vent, and drain assembly for an underground tank Dec. 31, 1996
5583283 Impoundment leak detection, location, and containment system Dec. 10, 1996
5460032 Impoundment leak detection, location, and containment system Oct. 24, 1995
5357202 Plural electrode method for measuring subsurface changes in conductivity as an indication of fluid migration Oct. 18, 1994
5335535 Monitorable device and method for monitoring a device for sealing off a body Aug. 9, 1994
5288168 Method and apparatus for lining outdoor fluid containment areas to facilitate electrical leak detection Feb. 22, 1994
5272910 Vadose zone monitoring system having wick layer enhancement Dec. 28, 1993
5100024 Gasoline collector pit box and submersible unit box Mar. 31, 1992
5060509 Secondary containment system using flexible piping Oct. 29, 1991
4978249 Safe, fluid-storage system Dec. 18, 1990
4971225 Gasoline collector pit box and submersible unit box Nov. 20, 1990
4936705 Reservoir for an underground tank Jun. 26, 1990
4934866 Secondary fluid containment method and apparatus Jun. 19, 1990
4918978 Means and method for detecting leaks in tanks Apr. 24, 1990
4906135 Method and apparatus for salt dome storage of hazardous waste Mar. 6, 1990
4875805 Toxic waste storage facility Oct. 24, 1989
4863638 Process for hazardous waste containment Sep. 5, 1989
4859116 Leak containment storage facility Aug. 22, 1989
4848456 Continuous brine leakage monitoring system for a production oil well Jul. 18, 1989
4844287 Leak containment system for underground storage tanks Jul. 4, 1989
4836710 Underground tank with leak detection mechanism Jun. 6, 1989
4753551 Sealing screen for waste dumps Jun. 28, 1988
4690689 Gas tracer composition and method Sep. 1, 1987
4682492 Means and method for detecting leaks in tanks Jul. 28, 1987
4639164 Underground tank sump and piping system Jan. 27, 1987
4551154 Gas tracer composition and method Nov. 5, 1985
4474053 Storage or disposal cavern leak detection and loss prevention Oct. 2, 1984
4464081 Process and structure for storing and isolating hazardous waste Aug. 7, 1984
4439062 Sealing system and method for sealing earthen containers Mar. 27, 1984
4417829 Safety device for underground storage of liquefied gas Nov. 29, 1983
4392354 Constant pressure air storage installation with water supply for gas turbine power plants Jul. 12, 1983
4352601 Permanent bin for temporary storage of hazardous materials Oct. 5, 1982
4335978 Induced intragradient system for secure landfill Jun. 22, 1982
4294589 Method for removing trapped gas under pond liners Oct. 13, 1981

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