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| Number | Title | Issue Date |
| 8156959 | Branching unit for boring without stopping passage of fluid A branching unit for boring without stopping passage of fluid, which is suitable for forming an opening 11 at a pipe wall 12 by boring a part of the pipe wall 12 of an existing pipe 1 using a drill machine 3 having a hole saw 4 | 04/17/2012 |
| 8015992 | Z valve The present invention provides a valve that controls a flow of gas or solid objects through a pipe, and particularly a z-valve used in an elevated rail transportation system. The valve includes vanes hinged to a valve stem that fold into a z-shape and retract into t... | 09/13/2011 |
| 6810903 | Conduit flow controller The invention is an improved conduit flow controller for selectively controlling the flow of fluid through an elongated conduit. The conduit has an aperture defined by a continuous peripheral edge in the sidewall of the conduit. An elongated housing surrounds the ap... | 11/02/2004 |
| 5957147 | Retaining snap ring safety adapter After removal of a valve cap from an in line shut off valve the Retaining Snap Ring Adapter with male threads and seat at one end, female threads and seat at the other end, a hex outer surface at the female threaded end, a longitudinal passageway down its... | 09/28/1999 |
| 5934304 | Apparatus and method for gas meter bypass A gas meter bypass apparatus and method for removing a gas meter from operation for service or replacement and placing the meter back into service without interrupting the flow of gas to the user. The apparatus connects to a standard tee which is utilized... | 08/10/1999 |
| 5634484 | Device and method for remotely venting a container A device for venting a container having a bung includes a saddle assembly curable to a container and having a support extending therefrom. A first arm is rotatably secured to the support, and the first arm extends in a first direction. A second arm has a ... | 06/03/1997 |
| 5479955 | Method and apparatus for aseptically filling containers An aseptic valve assembly (10) is provided for filling and discharging containers. A valve fitting (11) is fixably attached in a bottom wall (19) of a container (20). A plug (12) may be secured within the container fitting (11). A sterilization/fill unit ... | 01/02/1996 |
| 5472011 | No shut-off repair apparatus for stop valves The primary component of the apparatus is a full port ball valve. One port of the valve is adapted to attach to the bonnet threads of a stop valve. A tubular chamber is attached to the other port of the ball valve with the axes of the ball valve body and ... | 12/05/1995 |
| 5099868 | Method and apparatus for replacing utility outlets A concentrically multi-shafted apparatus compresses a compressible stopper to effect a seal in a through-hole of a main utility line to permit a substantially leak-free removal and replacement of a service saddle or a service seal. Counter rotation of con... | 03/31/1992 |
| 4899780 | Device for use in connection with tapping off fluid from or filling fluid into a container A device for use in connection with tapping off fluid from or filling fluid into a container through a hole (13) closable by a threaded cup-shaped plug (17). The device comprises a housing (10), mountable over the hole (13), and a tool (30) for manually h... | 02/13/1990 |
| 4809735 | Valve and tapping tee apparatus and method Apparatus and method for tapping a tubular member includes a split ring type clamp arrangement having a tapping tee assembly extending therefrom. The clamp arrangement includes a combination alignment/hold structure to facilitate orientation of the clamp ... | 03/07/1989 |
| 4779636 | Installing reservoir taps This process permits an inlet/outlet to be established in a liquid filled tank using an underwater diver without the necessity of draining or otherwise putting the tank out of service. The diver enters the tank at the top and places a dry pot against abou... | 10/25/1988 |
| 4730636 | Valve and tapping tee apparatus and method Apparatus and method for tapping a tubular member includes a split ring type clamp arrangement having a tapping tee assembly extending therefrom. The clamp arrangement includes a combination alignment/hold structure to facilitate orientation of the clamp ... | 03/15/1988 |
| 4648419 | Assembly of pipes The present invention concerns an assembly of pipes, particularly but not exclusively submarine pipes, adapted to permit disconnection of a tubular member therefrom while maintaining the interior of the remainder of the assembly isolated therefrom. The as... | 03/10/1987 |
| 4505295 | Apparatus for inserting a shut-off device laterally into a pipe An apparatus for inserting a shut-off device 9 laterally into a pipe via a branch 48 which is inclined at an obtuse angle to the pipe, comprises a housing 1 for connection at one end to the branch and containing a first carriage 6 which is movable relativ... | 03/19/1985 |
| 4420012 | Device for use in connection with tapping off fluid from or filling fluid into a container A device for use in connection with tapping off fluid from or filling fluid into a container comprises a bell-like housing which is adapted to be removably mounted with an open end thereof over an internally threaded tapping or filling hole in a wall of t... | 12/13/1983 |
| 4335757 | Temporary pipeline capping unit and method of using same A temporary pipeline capping unit wherein the unit is permanently attached over an opening in a pipeline and includes a capped branch line nipple and an internal element isolating the branch line nipple from the pipeline opening whereby a branch line can ... | 06/22/1982 |
| 4204661 | Wasteless connecting valves A connection valve for connecting together and disconnecting a tank and a hose without wastage or spillage. A first housing part has a duct containing a slidable piston and communicating with at least one connection socket. A second part has a throughbore... | 05/27/1980 |
| 4175581 | Apparatus for removing a fitting Apparatus is provided to move a fitting relative to a hole provided through the wall of a water main or the like. The apparatus includes a housing provided with an internal chamber communicating with the atmosphere through two openings. The housing is mou... | 11/27/1979 |
| 4100929 | Across the line plugging apparatus and method A new and improved method and apparatus for plugging a branch line connection from a main line connection includes welding a suitable flange connection to the main line across from said branch line, tapping the walls of the main line from the flange conne... | 07/18/1978 |
