The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 16, 2026
Filed:
Mar. 28, 2023
Saudi Arabian Oil Company, Dhahran, SA;
Hajhouj Fahad Alshammari, Dhahran, SA;
Hamad Tawfeeq Alsharhan, Dhahran, SA;
Abdullah F. Almuways, Dhahran, SA;
Haitham A. Alarfaj, Dhahran, SA;
Mirza Mansoor Baig, Dhahran, SA;
MD Anwar Parvez, Dhahran, SA;
SAUDI ARABIAN OIL COMPANY, Dhahran, SA;
Abstract
A duct bank for enclosing utility lines underground includes a first main duct formed from a nonmetallic material. The first main duct defines an interior volume therewithin and has a circular cross-sectional shape. The duct bank further includes a plurality of sub-ducts each formed from a nonmetallic material and being disposed in the interior volume of the first main duct. Each of the plurality of sub-ducts has a circular cross-sectional shape and is configured to carry one or more utility lines. The nonmetallic material of the first main duct includes one or more of: glass reinforced polyester (GRP), a hybrid fiber-reinforced epoxy-based laminate, or glass-reinforced vinyl ester. The nonmetallic material of each of the plurality of sub-ducts includes one or more of: GR, high-density polyethylene (HDPE), or polyvinyl chloride (PVC).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile