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Class Information
Number: 137/296
Name: Fluid handling > Hydrant type > With casing > Cap, cover or hood
Description: Apparatus in which the casing includes a cap, cover or hood for the top or discharge outlet of the riser.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8683831 Locking cover plate arrangement Apr. 1, 2014
8511335 Heat transfer reduction apparatus Aug. 20, 2013
8365759 Locking fire hydrant Feb. 5, 2013
8276608 Device for securing the valves of fire posts using the control tube Oct. 2, 2012
8020579 Fire hydrant security cap closure system Sep. 20, 2011
7766027 Vented steamer port cap assembly Aug. 3, 2010
7617835 Hydrant assist kit Nov. 17, 2009
7314057 Pedestal hydrant Jan. 1, 2008
7278442 Vented port-cap for fire hydrant Oct. 9, 2007
7140212 Locking cover plate arrangement Nov. 28, 2006
6948512 Flushing attachment for hydrant Sep. 27, 2005
6935360 Fire hydrant protective cover and visibility marker Aug. 30, 2005
6907760 Locking cover plate arrangement Jun. 21, 2005
6820635 Flushing attachment for hydrant Nov. 23, 2004
6816072 Fire hydrant anti-tamper device Nov. 9, 2004
6802338 Fire hydrant securing arrangements Oct. 12, 2004
6698261 Locking cap system Mar. 2, 2004
6694783 Locking cover plate arrangement Feb. 24, 2004
6691732 Hydrant security device Feb. 17, 2004
6688326 Locking fire hydrant Feb. 10, 2004
6684900 Installation device for yard hydrant Feb. 3, 2004
6553795 Locking cover plate arrangement Apr. 29, 2003
6536462 Fire hydrant cover Mar. 25, 2003
6487882 Locking cap system Dec. 3, 2002
6474358 Fire hydrant safety box Nov. 5, 2002
6463953 Fire hydrant protection device Oct. 15, 2002
6112761 Fire hydrant locking device and wrench Sep. 5, 2000
6109292 Method and apparatus for removing and replacing the tamperproof device for a fire hydrant or other valve device Aug. 29, 2000
6089253 Fire hydrant security systems Jul. 18, 2000
5957154 Fire hydrant adaptor and cover Sep. 28, 1999
5941274 Method and apparatus for securing a fire hydrant or other valve devices Aug. 24, 1999
5924437 External shutoff valve for fire hydrants Jul. 20, 1999
5810044 Fluid control system Sep. 22, 1998
5727590 Tamper resistant construction for hydrant actuating nut Mar. 17, 1998
5722450 Tamper resistant construction for hydrant Mar. 3, 1998
5664597 Cover for enclosing a fixed article, such as a fire hydrant, and a method of using the same Sep. 9, 1997
5632301 Tamper resistant construction for hydrant May. 27, 1997
5630442 Tamper resistant construction for hydrant actuating nut May. 20, 1997
5596893 Devices for securing fire hydrant valves Jan. 28, 1997
5588460 Fire hydrant valve guide with locking sleeve and wrench therefor Dec. 31, 1996
5549133 Security device and system for preventing unauthorized access to and operation of fire hydrants Aug. 27, 1996
5520210 Protective shield for fire hydrant May. 28, 1996
5469724 Fire hydrant locking device Nov. 28, 1995
5404899 Catchment device for machine parts and tools Apr. 11, 1995
5383495 Stainless steel security cap for fire hydrants Jan. 24, 1995
5205312 Fire hydrant locking arrangement Apr. 27, 1993
5201338 System and device for flushing water mains Apr. 13, 1993
5158105 Anti-siphon freezeless hydrant Oct. 27, 1992
5072750 Fire hydrant closures Dec. 17, 1991
5033501 Fire hydrant cap and actuating tool therefor Jul. 23, 1991

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