Class 137/370 - Telescopic well casing

Subclass of Class 137 - Fluid handling
Definition: Valve wells in which the vertical column is divided into
No. of patents: 28
Last issue date: 04/01/2008

Number	Title	Issue Date
7350533	Method for accessing a pipe and apparatus therefor Method and apparatus for accessing the inside of a pipe includes a valve which connects to the pipe, a riser pipe, and an operating rod for selectively opening and closing the valve. The apparatus further includes a 5.25 inch cylindrical housing having a removable c...	04/01/2008
7223051	Removable maintenance port with method for rehabilitating manhole A removably insertable apparatus for creating and accessing manholes and a method for rehabilitating manhole structures and the like, using the apparatus. The apparatus comprises two sections, both of which are load bearing composite materials such as reinforced fib...	05/29/2007
7028703	Buried fluid line casing enclosed valve guard A guard for a valve upon a buried fluid line prevents earth entering the opposed arches or the bottom of a conventional casing during installation about and above the valve permitting access after filling of the excavated cavity for the fluid line. Alignment of the ...	04/18/2006
7025529	Self-leveling system Existing street sewers consist of an immobile concrete structure supporting a frame. The present invention, the self-leveling street sewer, comprises a frame that floats on the foundation of the street and a tubular section that is connected to the connecting condui...	04/11/2006
6802337	Valve can extension Apparatus and methods are provided for the extension of access conduits to access underground valves and the like. A valve can extension comprising a tubular member having an extension riser portion at one end and an inwardly tapered portion at the other end. The ex...	10/12/2004
6354325	Underground access conduit A valve cover for enclosing an underground area surrounding the actuating mechanism of a flow control valve. The valve cover includes a body having a structure configured to position the valve cover in a desired orientation relative to the flow control va...	03/12/2002
6036401	Roadway access device and method of using same A roadway access device such as manhole cover, a storm drain, or a utility valve box which facilitates road paving and grinding operations. The access device includes a riser assembly having an inverted frustoconical top portion that minimizes frictional ...	03/14/2000
5996612	Apparatus for elevating a meter enclosure cover The present invention is directed to an apparatus for elevating a cover for a meter enclosure that may be buried in the ground. The apparatus includes first and second coaxial, right circular cylinders, the first cylinder including a protruding member ext...	12/07/1999
5979490	Adjustable anti-freeze water delivery assembly An adjustable anti-freeze water delivery assembly for connecting with a water main buried in the ground comprises a body section with an inner bore and a water outlet. A water supply section couples to a water main below the ground surface and has an inne...	11/09/1999
5803125	Adjustable valve box A vertically adjustable valve box for providing access to underground valves includes a first member having a tubular section with a bell and a peripheral flange disposed at a distal end. A second member has a tubular section with a bell and a flange disp...	09/08/1998
5775365	Flood protection sewer backflow control valve and adapter assembly The present invention relates to a basement sewer backflow control valve with adapter. A valve such as a ball valve is positioned a sewer line under the floor of a basement with an adapter extending vertically through the basement floor providing a means ...	07/07/1998
5769565	Protective housing for sewer or septic clean-out lines A protective cover for sewer clean-out lines for protection of the termination end of the sewer clean-out line, but permitting access to the sewer clean-out line, the housing having a cast iron collar with removable cover made into an ABS plastic skirt by...	06/23/1998
5738140	Adjustable height extension stem and valve box assembly An adjustable-height extension stem and valve box assembly is provided for use with buried valves that is lightweight, readily adjustable to a large range of heights, and is capable of absorbing loads and impacts such that the loads and impacts are substa...	04/14/1998
5671772	Adjustable valve box A vertically adjustable valve box for providing access to underground valves includes a first member having a tubular section with a bell and a peripheral flange disposed at a distal end, wherein the central longitudinal axis of the first member is orient...	09/30/1997
5634488	Modular valve service box A modular valve service box having a modular element cooperative with variable sized valve housings in order to secure variable sized valve housings beneath the ground and provide a conduit for access to same....	06/03/1997
5577531	Flood protection sewer backflow control valve and adapter assembly The present invention relates to a basement sewer backflow control valve with adapter. A valve such as a ball valve is positioned a sewer line under the floor of a basement with an adapter extending vertically through the basement floor providing a means ...	11/26/1996
5343890	Sump protector An overflow protector for a sump having a wall defining an open top reservoir includes a stop member forming an abutment along the wall of the reservoir, a floating sleeve member movable between a non-operable position contained within the reservoir and a...	09/06/1994
5220942	Extensible indicator post for valve assemblies An indicator post for indicating an open or closed condition of a valve in a piping system has a post which has a rotatable operating nut at the top of a post head. The post head is attached on its lower end to an upper barrel having a telescoping lower b...	06/22/1993
5163469	Unitary article comprising protective system components A unitary article is cut into sections to provide pieces that are configured for emplacement upon under-sink piping, as insulation against burn injury from contact with hot surfaces. Three pieces cooperate with one another to provide a system for enclosin...	11/17/1992
4905725	Underground access box and valve operating and protecting means An underground access box and valve operating and protecting means are disclosed. The access box comprises a pair of valve enclosing members adapted to be fitted together to enclose a valve and present an upward extension through which the valve can be re...	03/06/1990
4874105	Valve box A valve box for use with a water valve from an aqueduct branch pipe. The valve box comprises a pair of endwisely connected elongated coaxial cylinders, a cover removably mounted to the top of the upper cylinder and having a downturned cylindrical flange d...	10/17/1989
4548230	Surface box A surface box for covering over and guarding the operating rod of a gate or other valve in underground piping has a tube-like supporting frame and a rod guard sleeve mounted therein so that it may be moved upwards and downwards in translation for adjustme...	10/22/1985
4469115	Extended valve box and process for securing extension to valve box An extension is secured to a valve box in a roadway to be repaved by coating the valve box shoulder and the bottom of the extension with a thin layer of epoxy adhesive, placing a heated neoprene gasket on the shoulder, and setting the extension in place o...	09/04/1984
4350177	Utility box support A support for a utility box such as a valve box or the like which includes an annular member having a central opening with an upstanding flange on the upper surface of the annular member adjacent the central opening. The annular member is buried in the gr...	09/21/1982
4325405	Valve box assembly Valve box assembly having a valve box, having a riser threadingly mounted in the valve box for fine height adjustment, and having a cover for the riser....	04/20/1982
4308886	Curb box A curb box for underground gas and water services formed of a synthetic plastic material wherein the lower portion of the curb box is formed with a bell housing for receiving a service or distribution line valve. The bell housing includes valve engaging s...	01/05/1982
4239056	Valve service box having means for securing different sized valves against rotation A valve or curb service box having different sized pairs of opposed openings shaped to conform to the cross section of a valve body thereby securing the valve against substantial rotation from a desired vertical orientation, each opening being provided wi...	12/16/1980
4064902	Curb box A curb box having a cast base housing slidably receiving a threaded pipe which is distorted to oval shape above the threaded end and a riser having a threaded upper end and outwardly-extending ears in the lower end non-rotatably received in the oval part ...	12/27/1977

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Class 137/370 - Telescopic well casing