|
2025
|
P/S
|
Concrete drainage structures, namely, stormwater detention tanks; precast concrete interlocking s... |
|
2022
|
Invention
|
Catch basin trap with collapsible outlet pipe connector and method of making a catch basin.
A ca... |
|
2018
|
Invention
|
Catch basin trap with flexible outlet pipe connector. A catch basin trap for mounting in an openi... |
|
2016
|
P/S
|
Storm and sanitary sewer system components, namely, maintenance holes, and associated components,... |
|
2015
|
P/S
|
Manufactured precast reinforced concrete modules, namely, precast frame modules, wing walls, head... |
|
|
P/S
|
Construction materials for infrastructure and infrastructure networks, namely reinforced and non-... |
|
2013
|
Invention
|
Pipe connection to form a liquid tight seal and method of forming the same.
A pipe connection an... |
|
|
Invention
|
Integrated frame and cover system. A system and method are provided for coupling a manhole cover ... |
|
2011
|
P/S
|
Highway bridges. |
|
2004
|
Invention
|
Manhole base. A manhole base or liner for directing the flow of liquid from a manhole inlet openi... |
|
2002
|
Invention
|
Catch basin trap with filter. An assembly for mounting in a side wall opening of a catch basin si... |
|
2001
|
P/S
|
Traps and fittings therefor for use in catch basins, including manholes, of storm or drainage wat... |
|
2000
|
Invention
|
Subterranean coupler. A subterranean coupler for slidably receiving a pipe therethrough and for c... |
|
1998
|
Invention
|
Trap for catch basins and process of making same. A trap for mounting in a catch basin having a w... |
