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

Icon_funbox Bizarre Patents

Patent No. 6293874

User-operated amusement apparatus for kicking the user's buttocks

An apparatus including a user-operated and controlled apparatus for self-infliction of repetitive blows to the user's buttocks by a plurality of elongated arms bearing flexible extensions that rotate under the user's control.

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 137/315.32 - Including seal


Subclass of Class 137 - Fluid handling
Definition: Subject matter wherein a separate element is being disposed
No. of patents: 5
Last issue date: 04/12/1994


NumberTitleIssue Date
5301712Slide valve
Disclosed is a slide valve for high temperature and/or abrasive service having a metal shell and a liner of refractory material forming a flowway having an inlet and an outlet and an orifice opening between them. A side opening closed by a removable bonne...
04/12/1994
4625754Valve bonnet closure
A gate valve bonnet closure which can be quickly and safely serviced with common tools. The valve bonnet fits within the valve body. Lock elements in contact with the bonnet fit into an annular groove in the body. The lock elements are of a size and confi...
12/02/1986
4512359Valve mechanism with replaceable seal rings
A gate valve mechanism is provided which is especially designed for use as a hot tap valve. The valve incorporates a fabricated valve body having internal seat rings with circular elastomer sealing elements disposed within circular sealed grooves formed t...
04/23/1985
4246928Restricted movement valve seats for an expanding gate valve
In an expanding gate valve, tangential pins (70) are received loosely in peripheral grooves (62) of floating valve seats (26) to prevent the seats from moving inwardly far enough to drag against a gate mechanism (32) which is collapsed for movement betwee...
01/27/1981
4230299Pressure balanced gate valve having selective actuator systems
A pressure balanced gate valve mechanism wherein a closed loop fluid interchange system interconnects the valve actuator stem area of the valve mechanism with the pressure balancing stem area and functions to accomodate volumetric changes to prevent the d...
10/28/1980
 
Sign InRegister
Username  
Password   
forgot password?