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2023
|
Invention
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Method of rehabilitating a manhole. The method of repairing a manhole begins with assembling conc... |
|
|
Invention
|
Detection systems for power tools with active injury mitigation technology. Power tools with cond... |
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2022
|
Invention
|
System and method for extending the height of a manhole.
A trenchless method of installing a new... |
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2020
|
G/S
|
Sewer and pipe cleaning services |
|
|
Invention
|
Trenchless method of installing a monolithic manhole in a levee for pipe access. A monolithic man... |
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2019
|
G/S
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Trenchless pipe lining services to repair damaged pipes on residential, commercial, industrial or... |
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2016
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G/S
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inspection services for sewers using video equipment; manhole inspections; evaluations of manhole... |
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2015
|
G/S
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Non-metal molds for building, namely, molds for use in forming manhole liners Construction and re... |
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2012
|
G/S
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In-place underground pipe and structure restoration |
