Patents by Inventor Dídac PUEBLA RIBAS

Dídac PUEBLA RIBAS 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).

  • Waste transfer system for a toilet of a public transport vehicle
    Patent number: 10941556
    Abstract: Waste transfer system for a toilet of a public transport vehicle that discharges into an on-board waste aerated storage tank, comprising a waste intermediate tank (1), means for generating negative or positive pressure inside said waste intermediate tank (1), and a discharge valve means (3,5,6,7) to regulate the flow through a first waste passage (8) between a toilet bowl (2) and said waste intermediate tank (1) and through a second waste passage (11) between said waste intermediate tank (1) and said waste storage tank, characterized in that said discharge valve means comprise a multi-port discharge valve (3) connectable to an inlet/outlet port (4) of the waste intermediate tank (1), said multi-port discharge valve (3) being configured to provide, in a first working position, direct communication between said toilet bowl (2) and said waste intermediate tank (1) when negative pressure is supplied inside said waste intermediate tank (1) and to provide, in a second working position, direct communication between
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: March 9, 2021
    Inventors: Lars Henrik Christensen, Dídac Puebla Ribas
  • WASTE TRANSFER SYSTEM FOR A TOILET OF A PUBLIC TRANSPORT VEHICLE
    Publication number: 20200056362
    Abstract: Waste transfer system for a toilet of a public transport vehicle that discharges into an on-board waste aerated storage tank, comprising a waste intermediate tank (1), means for generating negative or positive pressure inside said waste intermediate tank (1), and a discharge valve means (3,5,6,7) to regulate the flow through a first waste passage (8) between a toilet bowl (2) and said waste intermediate tank (1) and through a second waste passage (11) between said waste intermediate tank (1) and said waste storage tank, characterized in that said discharge valve means comprise a multi-port discharge valve (3) connectable to an inlet/outlet port (4) of the waste intermediate tank (1), said multi-port discharge valve (3) being configured to provide, in a first working position, direct communication between said toilet bowl (2) and said waste intermediate tank (1) when negative pressure is supplied inside said waste intermediate tank (1) and to provide, in a second working position, direct communication between
    Type: Application
    Filed: November 15, 2017
    Publication date: February 20, 2020
    Inventors: Lars Henrik CHRISTENSEN, Dídac PUEBLA RIBAS