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2023
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Invention
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Insertion valves and methods of installing insertion valves in pressurized pipes.
Systems and me... |
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Invention
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Insertion valves and methods of installing insertion valves in pressurized pipes. Systems and met... |
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2020
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Invention
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Systems and methods for cleaning a pressurized pipe.
Systems and methods are disclosed for clean... |
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Invention
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Systems and methods for protecting a tether line disposed in a pressurized pipe. Systems and meth... |
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Invention
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Systems and methods for cleaning a pressurized pipe. Systems and methods are disclosed for cleani... |
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2019
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Invention
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Systems and methods for managing a cable attached to an inspection probe disposed in a pressurize... |
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Invention
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Systems and methods for accessing and monitoring a fluid within a pressurized pipe. Systems and m... |
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Invention
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Systems and methods for managing a cable attached to an inspeciton probe disposed in a pressurize... |
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Invention
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Under-pressure tapping and access assembly for pressurized pipe.
An under-pressure tapping and a... |
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2018
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Invention
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Expanding gate valva assembly with pressure equalization system. A gate valve for a pressurized p... |
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P/S
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Industrial tapping and linestopping equipment, namely, metal manually-operated valves and parts t... |
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P/S
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Industrial and municipal tapping and linestopping equipment, namely, manually-operated metal valv... |
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Invention
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Automated pressure equalization above and below completion plug of gate valve cartridge or a comp... |
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2017
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Invention
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Expanding gate valve assembly with pressure equalization system. A gate valve for a pressurized p... |
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Invention
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Pipe core sampling and tapping apparatus. A core sampling and tapping assembly is disclosed that ... |
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P/S
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Water-pipe valves of metal; Water line stop fittings, made of metal Water line tapping machines; ... |
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2015
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P/S
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Industrial tapping and linestopping equipment, namely, metal manually operated valves and parts t... |
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P/S
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Manually operated metal valves; Valves of metal other than parts of machines including those from... |
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P/S
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Industrial tapping and linestopping machines for fluid-conveying pipes |
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2014
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Invention
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Linestops, nozzles and completion plugs for installation in pressurized pipes. This patent docume... |
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Invention
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Gate valves for installation in pressurized pipes. A gate valve assembly is disclosed that may be... |
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2013
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P/S
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Valves of metal other than parts of machines including those from alloy steel and titanium; Water... |
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Invention
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Gate valve assembly for installation in pressurized pipes. A gate valve (82) is disclosed that ma... |
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2012
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Invention
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Gate valve assembly for installation in pressurized pipes. A gate valve is disclosed that may be ... |
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2004
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P/S
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machinery for inserting stoppers into pipelines |
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1998
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Invention
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Method and apparatus for maintaining valves in a water distribution system. A method and apparatu... |
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1994
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P/S
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Industrial apparatus for tapping and selectively stopping fluid in fluid conveying lines, and met... |
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1989
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P/S
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INDUSTRIAL TAPPING AND LINESTOPPING EQUIPMENT, NAMELY METAL MANUALLY-OPERATED VALVES AND PARTS TH... |
