|
2025
|
G/S
|
Metal pipe fittings; Metal plugs |
|
2024
|
Invention
|
Flow restriction system.
A method of restricting fluid flow through a pipe. The method comprisin... |
|
2023
|
Invention
|
Mechanical plug.
A mechanical plug includes first and second plug portions and an elongate membe... |
|
2021
|
G/S
|
Non-metal fittings for pipes, namely, plugs for sealing pipes |
|
|
Invention
|
Mechanical plug. A mechanical plug includes first and second plug portions and an elongate member... |
|
|
Invention
|
Flow restriction system. A flow restriction system is provided for restricting fluid flow through... |
|
2020
|
G/S
|
non-metal pipe plugs for sealing sections of pipeline |
|
2019
|
Invention
|
Flow restriction system. A flow restriction system for restricting fluid flow through a pipe incl... |
|
2014
|
Invention
|
Dual inflatable plug assembly. An inflatable plug assembly includes a first inflatable plug, a se... |
|
2013
|
Invention
|
Inflatable lift cylinder. A method of handling a generally cylindrical conduit includes positioni... |
|
2010
|
Invention
|
Inflatable tunnel seal. A tunnel seal including a body, inflatable from a folded position to an i... |
|
2008
|
Invention
|
Inflatable plug with flange. A system for restricting fluid flow through a conduit comprises a ta... |
|
2007
|
Invention
|
Inflatable plug with flange. An inflatable plug insertable into a conduit and inflatable therein ... |
|
|
Invention
|
In-line swivel for inflatable plugs. An in-line swivel having a through bore for fluid flow there... |
|
2003
|
Invention
|
Flexible emergency gas pipeline plug. An apparatus for stopping a high pressurized fluid from esc... |
|
2002
|
Invention
|
Flow-through inflatable plug. A flow-through inflatable plug assembly inflatable in a pipeline. T... |
|
|
G/S
|
Metal seals and metal tapping seals for use in sealing sections of pipes and pipelines Parts of m... |
|
|
G/S
|
INFLATABLE NON-METAL SEALS FOR SEALING SECTIONS OF PIPELINE, NAMELY, WATER LINES, OIL PIPE AND SE... |
