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2023
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Invention
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Septic chamber snap locking coupling joint. An overlapping joint coupling system for septic chamb... |
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Invention
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Septic chamber snap locking coupling joint.
An overlapping joint coupling system for septic cham... |
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2022
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P/S
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non-metallic leaching chambers for septic leaching for use with onsite commercial and residential... |
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Invention
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Asymmetric leaching chamber for onsite wastewater management system. A wastewater leaching chambe... |
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Invention
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Septic chamber |
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Invention
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Septic chamber end cap |
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2020
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P/S
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Protective waterproofing membranes for foundations of buildings |
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2019
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P/S
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NON-METAL FLEXIBLE DRAINAGE PIPE NOT USED FOR SANITARY PURPOSES |
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2017
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P/S
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flexible non-metal corrugated pipe with inner smooth wall for use in drainage applications |
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P/S
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Non-metallic flexible pipes Non-metallic drainage pipes |
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|
Invention
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Webless corrugated dual wall foundation drain and related method. A webless corrugated dual wall ... |
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2016
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Invention
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Improved method for storing and transporting arch-shaped stormwater leaching chambers. An improve... |
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Invention
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Method for storing and transporting arch-shaped stormwater leaching chambers.
An improved method... |
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Invention
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System and method of inspecting inner smooth wall of corrugated dual wall pipe. An inspection sys... |
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P/S
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ENGINEERING, DESIGN AND TECHNICAL CONSULTATION SERVICES IN THE FIELD OF ENVIRONMENTAL ENGINEERING... |
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Invention
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Webless corrugated dual wall foundation drain |
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2015
|
Invention
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Method of rotational molding rib profile for large diameter pipe fittings. A method of rotational... |
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2014
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P/S
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STORMWATER MANAGEMENT DEVICES, NAMELY, NON-METAL CHAMBERS AND CONDUIT FOR RECEIVING AND DISPERSIN... |
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Invention
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Coilable dual wall corrugated pipe and related method. High flow capacity corrugated coilable dua... |
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Invention
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Coilable dual wall corugated pipe and related method. High flow capacity corrugated coilable dual... |
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|
Invention
|
Corrugated foundation drainage tile |
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2012
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P/S
|
NON-METAL CORRUGATED FLEXIBLE DRAINAGE PIPE NOT USED FOR SANITARY PURPOSES |
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2011
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P/S
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CORRUGATED POLYETHYLENE TUBING USED FOR UNDERGROUND DRAINAGE PURPOSES, AND EXCLUDING USE WITH WAS... |
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P/S
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FLEXIBLE NON-METAL AERATION PIPES THAT ARE PERFORATED AND CORRUGATED, ALL FOR USE IN AGRICULTURAL... |
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|
Invention
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Pipe rib gasket |
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|
Invention
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Corrugation saddle gasket |
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2010
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Invention
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Heat-fusible gasket and method of manufacture. A heat-fusible gasket for affecting a flexible sea... |
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|
Invention
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Rib construction for large diameter pipe fittings. A rotationally molded large-diameter pipe fitt... |
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2009
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P/S
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NON-METAL PIPE, TUBING, COUPLERS, AND PIPE FITTINGS, NAMELY, TEES, REDUCING TEES, CROSS TEES, RIS... |
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|
Invention
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Corrugated foundation drain. The present invention relates to a corrugated foundation drain. The ... |
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P/S
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Non-metal pipe couplings and joints |
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P/S
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NON-METAL PIPE, TUBING, COUPLERS, AND PIPE FITTINGS, NAMELY, TEES, WYES, REDUCING TEES, REDUCING ... |
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2008
|
P/S
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PLASTIC PIPE AND TUBING FOR CONDUCTING LIQUIDS |
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2006
|
Invention
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Fluid-tight coupling system for corrugated pipe. A bell and spigot coupling system is provided fo... |
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P/S
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High density polyethylene pipe for drainage applications including storm sewers, culverts, golf c... |
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2000
|
P/S
|
SECTIONS OF CORRUGATED PLASTIC PIPE OR TUBING, EACH SECTION HAVING A BELL END AND AN OPPOSITE SPI... |
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P/S
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Sections of corrugated plastic pipe or tubing, each section having a bell end and an opposite spi... |
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1994
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P/S
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Plastic tile and tubing products used for non-building drainage purposes. |
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1990
|
Invention
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Large diameter corrugated plastic pipe. Non-releasable, molded, large-diameter, corrugated plasti... |
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|
Invention
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Bidirectional corrugated pipe-rib seal. BIDIRECTIONAL CORRUGATED PIPE-RIB SEAL ABSTRACT A sealing... |
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1989
|
Invention
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Bidirectional corrugated pipe-rib seal. A sealing ring made of an elastomeric readily flowable in... |
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1988
|
Invention
|
Large diameter corrugated plastic pipe. LARGE DIAMETER CORRUGATED PLASTIC PIPE Abstract Non-relea... |
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|
Invention
|
Large diameter double-walled plastic pipe. LARGE DIAMETER DOUBLE-WALLED PLASTIC PIPE ABSTRACT Non... |
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1987
|
Invention
|
Large diameter double-walled plastic pipe. Non-releasable, double-walled, molded, large-diameter,... |
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P/S
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Plastic drainage tubing and corrugated plastic tubing. |
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P/S
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Plastic draining tubing and corrugated plastic tubing. |
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P/S
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PLASTIC DRAINAGE TUBING AND CORRUGATED PLASTIC TUBING |
