Marco Van Dijk 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).
Abstract: This invention relates to an air valve which includes a deflector positioned inside a float chamber in order to improve the flow of air through the air valve. Further, the air valve includes an upper opening leading from the float chamber and having a transverse cross-section which increases away from the float chamber in order to smooth air flow. The invention further relates to an air valve accessory whereby an air valve can be modified in order to improve air flow therethrough.
Type:
Grant
Filed:
December 8, 2020
Date of Patent:
October 22, 2024
Assignee:
University of Pretoria
Inventors:
Stefanus Johannes Van Vuuren, Marco Van Dijk, Gert Louis Coetzee
Abstract: This invention relates to an air valve which includes a deflector positioned inside a float chamber in order to improve the flow of air through the air valve. Further, the air valve includes an upper opening leading from the float chamber and having a transverse cross-section which increases away from the float chamber in order to smooth air flow. The invention further relates to an air valve accessory whereby an air valve can be modified in order to improve air flow therethrough.
Type:
Application
Filed:
December 8, 2020
Publication date:
January 19, 2023
Inventors:
Stefanus Johannes Van Vuuren, Marco Van Dijk
© 2026 Justia
