Patents by Inventor Peter Robert De Roo

Peter Robert De Roo 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).

  • Patent number: 9339830
    Abstract: A lid (2) for a reservoir (1) to be connected to a liquid spraying device, comprising a ventilation hole (3); a flexible tube (4); and a valve (5), wherein the combination of the ventilation hole (3), the flexible tube (4), and the valve (5) forms a ventilation system which allows an air movement from the outside of the reservoir (1) via the ventilation system to the inside of the reservoir (1) while it blocks the movement of a liquid (6) from the inside of the reservoir (1) via the ventilation system to the outside of the reservoir (1).
    Type: Grant
    Filed: September 11, 2014
    Date of Patent: May 17, 2016
    Assignee: EMM HOLDING BV
    Inventor: Peter Robert De Roo
  • Publication number: 20160059254
    Abstract: A lid (2) for a reservoir (1) to be connected to a liquid spraying device, comprising a ventilation hole (3); a flexible tube (4); and a valve (5), wherein the combination of the ventilation hole (3), the flexible tube (4), and the valve (5) forms a ventilation system which allows an air movement from the outside of the reservoir (1) via the ventilation system to the inside of the reservoir (1) while it blocks the movement of a liquid (6) from the inside of the reservoir (1) via the ventilation system to the outside of the reservoir (1).
    Type: Application
    Filed: September 11, 2014
    Publication date: March 3, 2016
    Inventor: Peter Robert De Roo