Bizarre Patents
An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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.
| Number | Title | Issue Date |
| 7322563 | Arrangement for securing in-ground water valves Underground water valves having square operating nuts, such as but not limited to critical water valves which control different pressure zones or different demand areas, are secured by a shielding cap, each of which have a recess that receives a valve operating nut ... | 01/29/2008 |
| 7172173 | Switch valve having a locking effect A switch valve includes a valve body, a control stem rotatably mounted on the valve body, a limit ring mounted on the valve body, a locking member secured on the control stem and hidden in the limit ring, and a rotation head removably mounted on the limit ring and d... | 02/06/2007 |
| 7124999 | Switch valve having a locking effect A switch valve includes a valve body, a control stem rotatably mounted on the valve body to open/close a water flow in the valve body, a limit ring mounted on the valve body to encompass the control stem, and a rotation head removably mounted on the limit ring and d... | 10/24/2006 |
| 7097164 | Limiter cap for carburetor In order to improve a limiter cap (300; 300′) for limiting the adjustability of at least two set screws or valves (200), which are arranged side by side, with each set screw or valve (200) including at least one retaining nose or stop leg (... | 08/29/2006 |
| 7097165 | Carburetor fuel adjustment and limiter assembly A carburetor fuel valve adjustment and limiter assembly for a combustion engine limits the maximum and minimum fuel amounts delivered through the valve of the carburetor. A needle valve of the adjustment and limiter assembly cooperates with a collar and pin generall... | 08/29/2006 |
| 7040342 | Fire hydrant lock A fire hydrant security arrangement includes a center post which is retained on the operating nut of the fire hydrant by a central bolt which is threaded into the operating nut. The center post has a pentagonal recess therein which receives an insert, the insert hav... | 05/09/2006 |
| 6913034 | Emergency shutdown valve actuator An emergency shutdown valve actuator includes a support and a fluid activated actuator drive secured to the support. Clamps are provided for clamping the support onto a tubular member. A drive key is provided which is adapted to couple the actuator drive and a femal... | 07/05/2005 |
| 6796551 | Tamper resistant carburetor mixture needles A tamper resistant mixture adjustment screw arrangement for a carburetor. The arrangement includes a carburetor body having at least one air/fuel adjustment screw threaded therein. The adjustment screw has a threaded shank and a head portion. The head portion is def... | 09/28/2004 |
| 6691988 | Tamper resistant carburetor mixture needles A tamper resistant mixture adjustment screw arrangement for a carburetor. The arrangement includes a carburetor body having at least one air/fuel adjustment screw threaded therein. The adjustment screw has a threaded shank and a head portion. The head por... | 02/17/2004 |
| 6675827 | Control stop cap friction ring A cap assembly for closing an access opening in a plumbing fitting includes a cap for rotatable attachment to the plumbing fitting, with the cap having an interior surface which faces the plumbing fitting. There is an elastomeric friction ring positioned ... | 01/13/2004 |
| 6662822 | One-way nut fastener A novel, one-way nut fastener including a nut body with a side wall that is internally threaded and lobes that extend from the side wall of the nut body. Each lobe has a flat portion that extends substantially radially away from the side wall and a curved... | 12/16/2003 |
| 6361017 | Locking valve with joint allowing packing service A valve for a tank containing anhydrous ammonia has a valve mechanism joined to a flow chamber from the tank. The valve mechanism has a bonnet with a hole through a sidewall of the bonnet. A stem valve portion and a stem handle portion are mounted in the ... | 03/26/2002 |
| 6131604 | Lockout device for subsurface valves A lockout device is designed for preventing unauthorized use of a valve located below ground level, the valve having a rotatable valve actuator. The device includes an elongated tubular housing of a length to have a lower end at the valve actuator and an ... | 10/17/2000 |
| 5988209 | Security device for utility shutoff valve A security device for a utility shutoff valve and a tool for inserting and removing the security device. The security device and tool are utilized for water and gas shutoff valves located underground that are accessed through a vertical access pipe. The i... | 11/23/1999 |
| 5727590 | Tamper resistant construction for hydrant actuating nut A tamper resistant construction for preventing unauthorized actuation of the hydrant nut of a fire hydrant by causing any lateral pounding or upward forces applied to the tamper resistant construction to be transmitted directly to the hydrant body cover o... | 03/17/1998 |
| 5722450 | Tamper resistant construction for hydrant A tamper resistant construction for a fire hydrant including a hydrant nut actuating body for mounting on a hydrant nut, a shroud rotatably mounted on a first end portion of the hydrant nut actuating body, a cap rotatably mounted on a second end portion o... | 03/03/1998 |
| 5632301 | Tamper resistant construction for hydrant A tamper resistant construction for a fire hydrant including a hydrant nut actuating body for mounting on a hydrant nut, a shroud rotatably mounted on a first end portion of the hydrant nut actuating body, a cap rotatably mounted on a second end portion o... | 05/27/1997 |
| 5630442 | Tamper resistant construction for hydrant actuating nut A tamper resistant construction for preventing unauthorized actuation of the hydrant nut of a fire hydrant by causing any lateral pounding or upward forces applied to the tamper resistant construction to be transmitted directly to the hydrant body cover o... | 05/20/1997 |
| 5588460 | Fire hydrant valve guide with locking sleeve and wrench therefor A hydrant protector for preventing unauthorized use of the hydrant includes an internally threaded tubular shleld around the valve stem. To prevent a collection of trash in the shield and to provide more security for the hydrant a threaded plug fits compl... | 12/31/1996 |
| 5520210 | Protective shield for fire hydrant A protective shield for a fire hydrant operating stub is provided which allows direct access to the operating stub by standard authorized tools without requiring the removal of any portion of the shield. The shield includes an inner ring with a peripheral... | 05/28/1996 |
| 5497802 | Vandalproof cap for flush valve check valve A control stop for use in a plumbing supply line includes a body having an inlet and an outlet. There is a valve seat in the body and a valve member movable toward and away from the valve seat to control flow from the inlet to the outlet. There is an open... | 03/12/1996 |
| 4967934 | Pack of high pressure gas containers Several high pressure gas cylinders are attached together in a pack, each container having a valve at one end that controls flow of gas from the cylinder and each valve having a removable valve control handle, the cylinders being arranged coextensive and ... | 11/06/1990 |
| 4945940 | Tamper proof backflow prevention assembly A testable backflow prevention assembly provided with a means for preventing unauthorized access to water within the assembly throughout the differential pressure gradient of the assembly; comprising: a means for locking the valves of the test cocks, a me... | 08/07/1990 |
| 4936336 | Tamperproof construction for hydrant actuating nut A tamperproof construction for preventing actuation of the actuating nut of a fire hydrant comprising a nut actuating body for receiving the hydrant nut in turning relationship, set screws locking the nut actuating body to the actuating nut, a shroud perm... | 06/26/1990 |
| 4926894 | Apparatus and method for draining a viscous material from a vessel The invention is an apparatus and method for draining a viscous material, such as a molten polymer, from a vessel that contains the material. A ram-type valve is mounted on the outside of the vessel in line with a drain opening in the vessel. The valve is... | 05/22/1990 |
| 4903719 | Apparatus and method for providing secondary containment of fluids in a piping system An apparatus and method for providing secondary containment of fluids along a portion of a piping system having a fluid regulation control device disposed about a portion of that piping system. In one aspect, the invention includes providing a lower housi... | 02/27/1990 |
| 4872482 | Remotely controlled operator for gas cylinder valve An operator for remotely opening and closing the valve on a gas cylinder includes a metal frame having an enclosed upper portion, a support plate extending across the upper portion and a mounting wall extending downwardly from a side of the upper portion.... | 10/10/1989 |
| 4834137 | Safety device for vessels of compressed gases A safety device for vessels of compressed gases is disclosed which comprises a cap enclosing the valve of the vessel, a port formed in the wall of the cap for passing a nozzle attached to the valve, a handling member for rotating the handle of the valve f... | 05/30/1989 |
| 4804046 | Shut-off device for a sprinkler assembly A device for terminating the flow of fluid from an overhead sprinkler equipped with a cut-off valve. The device provides a cut-off means for obturating fluid flow in sprinkler heads equipped with both a circular baffle and a baffle having a sidewall membe... | 02/14/1989 |
| 4776363 | Fire hydrant having internal valve actuation means The invention relates to a hydrant comprising a trunk body in which novel valve means for opening the water main is positioned completely within the trunk body and wherein a novel assembly cap is required to activate the valve means.... | 10/11/1988 |
| 4762144 | Valve cover apparatus A cover for a valve (10) has a housing (20) mounting internally a component (24), with a collet (28) being located with play through an open end of the component (24). Resiliently deformable jaws (36) of the collet (28) co-operate with a profiled inner wa... | 08/09/1988 |
| 4702275 | Post assembly for a buried valve A post assembly for a remotely placed valve and valve actuator includes a post with a hinged cover cap and multiple windows evenly spaced below the cap and a target axially movable past said windows on an operating stem fully contained within the post and... | 10/27/1987 |
| 4690019 | Operating wrench for tamperproof hydrants A tamperproof fire hydrant which can only be operated with use of a special operating means or tool thus preventing the opening of the hydrant by unauthorized persons for unauthorized use. The hydrant is provided with the usual polygonal end portion of th... | 09/01/1987 |
| 4676320 | Shut-off device for a sprinkler assembly A device for terminating the flow of fluid from an overhead sprinkler equipped with a cut-off valve. A recess within said device accepts the sprinkler head and returns the cut-off valve to its original position. A biased locking means is also provided so ... | 06/30/1987 |
| 4637423 | Pneumatic gas cylinder valve actuator A pneumatic gas cylinder valve actuator that clamps to the threads on gas cylinder normally used for threading on a protective cap and is so designed that air pressure up to 100 psi admitted to the internal piston chamber in the valve actuator opens the g... | 01/20/1987 |
| 4633896 | Operating nut for fire hydrant An operating nut construction for a fire hydrant including a body member having a lower tapped portion for threadably receiving a fire hydrant valve rod, a sleeve rotatably mounted on the body member against axial movement, a cap rotatably mounted on the ... | 01/06/1987 |
| 4629157 | Remote-control apparatus for opening or closing the valve of containers or the like A remote-control apparatus for opening or closing a container is disclosed, which includes a rotary drive mechansim, an operable shaft driven by the drive mechanism, and a drive wheel mounted on the operable shaft, the drive wheel being held on the operab... | 12/16/1986 |
| 4574831 | Apparatus for securing a manually operable setting element against rotation The invention relates to a security device which discourages tampering with the operating or control element of a manually settable device of the type which has a window through which the control element is accessed. The security device has the form of a ... | 03/11/1986 |
| 4566481 | Tamperproof fire hydrants A tamperproof fire hydrant which can only be operated with the use of a special operating tool thus preventing the opening of the hydrant by unauthorized persons for unauthorized use. Additionally the tubular hold-down nut for the operating nut is so desi... | 01/28/1986 |
| 4554944 | Operating wrench for tamperproof hydrants A tamperproof fire hydrant which can only be operated with use of a special operating means or tool thus preventing the opening of the hydrant by unauthorized persons for unauthorized use. The hydrant is provided with the usual polygonal end portion of th... | 11/26/1985 |
