Patents by Inventor Tat Chi CHU

Tat Chi CHU has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240140869
    Abstract: The present application relates to the technical field of road infrastructure, and provides a cement-based pervious pavement structure, a manufacturing method of the cement-based pervious pavement structure, and an application of the cement-based pervious pavement structure. The cement-based pervious pavement structure includes: a lower structural layer as the base; an upper surfacing layer overlaid on said lower structural layer and including: 1.0-2.0 parts by weight of upper layer (fine) aggregate; 0.40-0.70 part by weight of cement; 0.02-0.03 part by weight of titanium dioxide; 0.03-0.04 part by weight of water reducing agent; 0.001-0.002 part by weight of defoamer. The cement-based pervious pavement structure provided by the present application can provide air purification function taking into account the practical cost.
    Type: Application
    Filed: October 11, 2023
    Publication date: May 2, 2024
    Applicant: Hip Hing Construction Technology Ltd
    Inventors: Tat Chi CHU, Kwok Leung SO, Pui Lam NG, Chung Kong CHAU, Yong FAN, Shuai ZOU, Man Lung SHAM