Invention Grant
- Patent Title: Preformed duct system
- Patent Title (中): 预制管道系统
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Application No.: US13481008Application Date: 2012-05-25
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Publication No.: US08689502B2Publication Date: 2014-04-08
- Inventor: Richard James Langguth , Adam Michael Stenberg
- Applicant: Richard James Langguth , Adam Michael Stenberg
- Applicant Address: US MN Elk River
- Assignee: Cretex Companies, Inc.
- Current Assignee: Cretex Companies, Inc.
- Current Assignee Address: US MN Elk River
- Agency: Dorsey & Whitney LLP
- Main IPC: E04C2/52
- IPC: E04C2/52
Abstract:
A duct bank assembly may include an elongate extending conduit with a length for receiving and passing through a cable or wire and an encasing body encasing the conduit along its longitudinal extent between a first mating end and an opposed second mating end of the body. Each mating end has a shear transfer mechanism associated therewith for engagement with a corresponding shear transfer mechanism of an adjacent duct bank assembly.
Public/Granted literature
- US20120298244A1 PREFORMED DUCT SYSTEM Public/Granted day:2012-11-29
Information query
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