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Class Information
Number: 137/272
Name: Fluid handling > Hydrant type
Description: Fluid distributors characterized by a vertical delivery riser with a valve at the bottom, to avoid freezing when installed below the frost line, and an extended actuator for the valve, usually for actuating the valve from a point adjacent the outlet from the riser or an extension thereof.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7428910 |
Breathable fire hydrant rod |
Sep. 30, 2008 |
| 7401620 |
Yard hydrant with drain port check valve |
Jul. 22, 2008 |
| 7267136 |
Wet barrel fire hydrant flow preventer |
Sep. 11, 2007 |
| 7228868 |
Fire hydrant system |
Jun. 12, 2007 |
| 7174911 |
Fire hydrant with second valve |
Feb. 13, 2007 |
| 7128083 |
Wet barrel fire hydrant flow preventer |
Oct. 31, 2006 |
| 7093610 |
Outdoor hydrant-type water faucet |
Aug. 22, 2006 |
| 7059266 |
Reflective warning and locator collar for hydrants, pylons and support posts |
Jun. 13, 2006 |
| 7021327 |
Hydrant valve access system |
Apr. 4, 2006 |
| D504546 |
Canine relief station having watering outlet with internal water reservoir |
Apr. 26, 2005 |
| 6868860 |
Fire hydrant with second valve |
Mar. 22, 2005 |
| 6816072 |
Fire hydrant anti-tamper device |
Nov. 9, 2004 |
| 6698447 |
Hydrant monument |
Mar. 2, 2004 |
| 6467498 |
City water flushing and sludge prevention control method |
Oct. 22, 2002 |
| 6170514 |
City water flushing and sludge prevention control apparatus |
Jan. 9, 2001 |
| 6095174 |
Portable fire hydrant |
Aug. 1, 2000 |
| 6058957 |
Water saver fire hydrant |
May. 9, 2000 |
| 5924437 |
External shutoff valve for fire hydrants |
Jul. 20, 1999 |
| 5901738 |
Portable fire hydrant |
May. 11, 1999 |
| 5810044 |
Fluid control system |
Sep. 22, 1998 |
| 5775358 |
Indicator for compressed gas cartridge |
Jul. 7, 1998 |
| 5769112 |
Support system for fire hydrant installation |
Jun. 23, 1998 |
| 5622202 |
Tamper proof fire hydrant |
Apr. 22, 1997 |
| 5404899 |
Catchment device for machine parts and tools |
Apr. 11, 1995 |
| 5287880 |
Three-way fire hydrant |
Feb. 22, 1994 |
| 5201338 |
System and device for flushing water mains |
Apr. 13, 1993 |
| 5121772 |
Wet barrel fire hydrant with improved flow capability |
Jun. 16, 1992 |
| 5082013 |
Firefighting water delivery system and method |
Jan. 21, 1992 |
| 4805862 |
Harness for supporting a meter on a fire hydrant and the combination of a meter, fire hydrant and harness |
Feb. 21, 1989 |
| 4791952 |
Hydrant and components thereof |
Dec. 20, 1988 |
| 4790341 |
Hydrant and components thereof |
Dec. 13, 1988 |
| 4776363 |
Fire hydrant having internal valve actuation means |
Oct. 11, 1988 |
| 4763686 |
Hydrant and components thereof |
Aug. 16, 1988 |
| 4741356 |
Hydrant variable riser and restraint |
May. 3, 1988 |
| 4617956 |
Control means for ground hydrants |
Oct. 21, 1986 |
| 4440190 |
Control mechanism for a fire hydrant |
Apr. 3, 1984 |
| 4177826 |
Fire hydrant with improved shoe and valve |
Dec. 11, 1979 |
| 3961642 |
Fire hydrant valve rod coupling |
Jun. 8, 1976 |
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