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Class Information
Number: 405/91
Name: Hydraulic and earth engineering > Fluid control, treatment, or containment > Flow control > Water gate or adjustable weir > Removable > Flexible
Description: Method or apparatus wherein the removable gate is composed of a pliant material.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8511937 Water control apparatus Aug. 20, 2013
7815397 Expansion-sealed flood control gate Oct. 19, 2010
7762742 Residential flood control unit Jul. 27, 2010
7281879 Portable flood-barriers system Oct. 16, 2007
7114879 Water control gate and actuator therefore Oct. 3, 2006
6783300 Water containment structure Aug. 31, 2004
6692188 Rapid emergency dam and method of construction Feb. 17, 2004
6672800 Portable flood control revetment Jan. 6, 2004
6634829 Fitting structural body, fitting and flexible sheet inflatable gate Oct. 21, 2003
6609854 Structure and method for detecting an inflated state of a flexible membrane dam Aug. 26, 2003
6481928 Flexible hydraulic structure and system for replacing a damaged portion thereof Nov. 19, 2002
6467999 Internal pressure regulating system for flexible bag body, flexible membrane dam using the same, and method for regulating internal pressure in the flexible membrane dam Oct. 22, 2002
6364571 Flexible hydraulic structure with right angle tube fitted therethrough Apr. 2, 2002
6354762 Mounting member and flexible membrane dam Mar. 12, 2002
6348120 Method of manufacturing rubber weir main body Feb. 19, 2002
6312192 Flood control barrier Nov. 6, 2001
6213683 Flexible film weir Apr. 10, 2001
6200067 Multi-purpose water bag assembly wall system and method Mar. 13, 2001
6196763 Connection system for hoses, expansion joints and actuators Mar. 6, 2001
6179521 Flexible membrane mounting metal fitting and flexible membrane inflating structural body Jan. 30, 2001
6164870 Portable dike having air inflatable reinforcement Dec. 26, 2000
6126362 Pressure secured liquid damming protective bank device and method Oct. 3, 2000
6102620 Rubber dam and method of application thereof Aug. 15, 2000
5993113 Flood barrier system Nov. 30, 1999
5988946 Multiple bladder flood control system Nov. 23, 1999
5984577 Flotation flood wall Nov. 16, 1999
5882142 Containment dike assembly and method for construction thereof Mar. 16, 1999
5865564 Water-fillable barrier Feb. 2, 1999
5857806 Liquid damming protective bank as well as a method and a damming device for erecting such a protective bank Jan. 12, 1999
5791817 Ditch dam Aug. 11, 1998
5713699 Spillway crest gate system and inflatable bladder therefor Feb. 3, 1998
5709502 Connection system for reinforced composite structures Jan. 20, 1998
5645373 Flood control barrier system and method Jul. 8, 1997
5622448 Panel ditch check for temporary erosion and sediment control Apr. 22, 1997
5538360 Crest gate operating system Jul. 23, 1996
5470177 Hydro wall Nov. 28, 1995
5439316 Portable reusable flood barrier panel system Aug. 8, 1995
5330290 Levee gate and process for the production thereof Jul. 19, 1994
5318381 Collapsible rubber dam Jun. 7, 1994
5244309 Fluid flow release regulating device Sep. 14, 1993
5236281 Dikes for damming or diverting liquids Aug. 17, 1993
5230585 Mount structure for a flexible membrane weir Jul. 27, 1993
5217557 Process for the production of thermoplastic levee gates Jun. 8, 1993
5158396 Adjustable levee gate Oct. 27, 1992
5156489 Adjustable flume Oct. 20, 1992
5127766 Apparatus and method for controlling the inner pressure of an air bag in an air inflation/deflation weir made of flexible film Jul. 7, 1992
5125767 Method and apparatus for constructing hydraulic dams and the like Jun. 30, 1992
5118217 Moveable flood barrier Jun. 2, 1992
5092707 Crest gate operating system Mar. 3, 1992
5067851 Collapsible sheet dam Nov. 26, 1991

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