U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 5356330

Apparatus for Simulating a High Five

A self-righting hand-arm configuration which is adapted to pivot when struck by a user, thereby simulating a "high five."

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 137/307 - Reciprocating relatively fixed valves


Subclass of Class 137 - Fluid handling
Definition: Apparatus in which the control valve and drain valve are
No. of patents: 18
Last issue date: 10/09/2007


NumberTitleIssue Date
7278442Vented port-cap for fire hydrant
The vented port-cap includes a check-valve, which admits air into the barrel of the hydrant when the pressure inside is lower than the pressure outside. After an inspection of the hydrant, the hydrant can be left to drain by itself, even though the port-cap has been...
10/09/2007
6966332Air valve assembly for a fire hydrant
An air valve assembly for a fire hydrant includes a pressure responsive valve means removably mounted at or near a top of a fire hydrant and more specifically to a fire hydrant bearing housing. The pressure responsive valve means is adapted to open when the fire hyd...
11/22/2005
6929022Fire hydrant valve seat flange
A fire hydrant having a valve seat flange with an integral liner. In one embodiment, the fire hydrant includes a valve seat flange disposed between a standpipe and a hydrant shoe. The valve seat flange includes a standpipe neck defining internal threads to directly ...
08/16/2005
6712089Recessed water faucet
A recessed, frostproof water faucet having a tubular stem connected to a pivot plumbing unit connected to a subsurface water line through the rear wall of a box-like recess unit. A slider connector connects the water faucet tubular stem and the access panel or lid o...
03/30/2004
6561214Hydrant with improved drain mechanism
A fire hydrant of the "dry" barrel type having an improved means of draining the barrel after the hydrant has been used. The hydrant is provided with a drain passageway communicating the interior of the hydrant barrel to the exterior. A diffuser is attach...
05/13/2003
6178988Hydrant design
A hydrant valve assembly including a spool member having at least one spool seal which is at times under extremely high pressure tending to cause the seal to be displaced from an associated recess, the spool member forming venting passages in the seal rec...
01/30/2001
5355907Automatic draining back flow preventer for use with hydrant
An automatic draining back flow prevention apparatus, for use with hydrant structure, comprising tubular body structure having main passage structure between flow entrance and exit ports; the body structure having a first side port communicating with the ...
10/18/1994
5289840Yard hydrant
A yard hydrant includes a head section with a nozzle, a standpipe and valve housing in traditional hydrant relationship that is constructed and assembled into an integral unit which cannot be disassembled. An operating rod with valve means reciprocates in...
03/01/1994
5217039Automatic draining back flow preventer for use with ground hydrant
An automatic draining back flow prevention apparatus comprises tubular body structure having main passage structure between flow entrance and exit ports; the body structure having first and second side ports communicating with the passage structure; first...
06/08/1993
5012833Freeze-proof hydrant
Process for replacing a cartridge in a housing of a freeze proof hydrant. A plunger within the cartridge is urged against a roller pin lodged in the cartridge. A first end of the cartridge is deformed away from a ridge in the housing. The cartridge is sli...
05/07/1991
4971097Freeze-proof hydrant
Freeze-proof hydrants having a housing, the first end thereof having a fitting for flow communication with a pressurized liquid source. There is a passageway in the housing for liquid flow, a back flow preventer in the passageway and a drain in the housin...
11/20/1990
4842008Fire hydrant
A hydrant water control system is provided which includes a clutch assembly operated by a control wrench which will eliminate the vandalizing of the hydrant and loss of water pressure by illegal opening of the hydrant. A swing away coupling assembly elimi...
06/27/1989
4372339Yard hydrant
A yard hydrant includes an improved valve assembly connecting the hydrant standpipe at a point below the frost line to a source of water under pressure. A hollow and generally cylindrical housing of such assembly is provided with a bore concentrically red...
02/08/1983
4227544Fire hydrant with improved shoe and valve
A fire hydrant having a generally elbow-shaped hydrant shoe with an improved interior bowl configuration and an improved hydrant valve for minimizing head or flow loss of the fire hydrant between the inlet opening of the shoe and the outlet nozzle positio...
10/14/1980
4177826Fire hydrant with improved shoe and valve
A fire hydrant having a generally elbow-shaped hydrant shoe with an improved interior bowl configuration and an improved hydrant valve for minimizing head or flow loss of the fire hydrant between the inlet opening of the shoe and the outlet nozzle positio...
12/11/1979
3980097Fire hydrant with drain valve and backflow preventer mechanism
A fire hydrant of the "dry" barrel type having an improved means of draining the barrel after the hydrant has been used and the main hydrant valve closed. The hydrant is provided with a drain passageway from the interior of the barrel above the main hydra...
09/14/1976
3980096Fire hydrant
A fire hydrant having a hydrant valve seat assembly positioned between the flanged lower end of the hydrant barrel and the flanged end of the hydrant shoe. The hydrant valve seat assembly and the hydrant valve element may be retained with the hydrant shoe...
09/14/1976
3943963Frostproof hydrants for use in fluid handling
An improved frostproof hydrant having a readily removable valve seat-valve body assembly which may be easily replaced from the nozzle end of the hydrant as a single unit or as a portion thereof without any special alignment....
03/16/1976
 
Sign InRegister
Username  
Password   
forgot password?