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Class Information
Number: 405/99
Name: Hydraulic and earth engineering > Fluid control, treatment, or containment > Flow control > Water gate or adjustable weir > Swinging
Description: Method or apparatus wherein the water gate turns about a pivot.

Sub-classes under this class:

Class Number Class Name Patents
405/100 About horizontal axis 52

Patents under this class:

Patent Number Title Of Patent Date Issued
8246272 Actuated spill barrier Aug. 21, 2012
8240951 Diverting storm surge-apparatus and method Aug. 14, 2012
7727077 Water amusement park water channel flow system Jun. 1, 2010
7114878 Irrigation gate system Oct. 3, 2006
7037039 Method and apparatus for an improved lock and dam assembly May. 2, 2006
6779947 Gate systems and methods for regulating tidal flows Aug. 24, 2004
6719491 Fluid level control system Apr. 13, 2004
6692187 Flood gate for door Feb. 17, 2004
6485231 Foundation flood gate with ventilation Nov. 26, 2002
6171023 Water control gate Jan. 9, 2001
5678956 Navigational bypass, gate and pump device for use in water Oct. 21, 1997
5577863 Self-Actuating sluice gate Nov. 26, 1996
5516230 Gate for controlling upstream water level May. 14, 1996
5222834 Collapsible safety prop for waterway dams Jun. 29, 1993
5211700 Movable dam gate for regulating water in a navigable pass May. 18, 1993
5199812 Hydraulic fixed strut game Apr. 6, 1993
5178490 Wicket dam lifting module Jan. 12, 1993
4830051 Rotary filling and emptying valve May. 16, 1989
4735525 Irrigation channel gates Apr. 5, 1988
4606672 Constant upstream level gate Aug. 19, 1986
4576512 Rotary sluice gate Mar. 18, 1986
4349296 Irrigation ditch gate Sep. 14, 1982

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