Patents by Inventor Albert Anton van der Velde

Albert Anton van der Velde 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).

  • Air pipe head
    Patent number: 9441751
    Abstract: An air pipe head having a housing bounding a venting channel and a chamber. The venting channel has an end port opening downwards into the chamber. A float member is arranged in the chamber and guided for guided movement between an uppermost position closing off the end port and a lowermost position spaced below the end port. The chamber communicates with surroundings of the air pipe head via at least one side port. A downwardly facing surface portion of the float member in its lowermost position is shielded in substantially all lateral directions and an upper surface portion of the float member in its lowermost position is left exposed through said side port.
    Type: Grant
    Filed: March 21, 2014
    Date of Patent: September 13, 2016
    Assignee: WINTEB BEHEER B.V.
    Inventor: Albert Anton van der Velde
  • AIR PIPE HEAD
    Publication number: 20140283916
    Abstract: An air pipe head having a housing bounding a venting channel and a chamber. The venting channel has an end port opening downwards into the chamber. A float member is arranged in the chamber and guided for guided movement between an uppermost position closing off the end port and a lowermost position spaced below the end port. The chamber communicates with surroundings of the air pipe head via at least one side port. A downwardly facing surface portion of the float member in its lowermost position is shielded in substantially all lateral directions and an upper surface portion of the float member in its lowermost position is left exposed through said side port.
    Type: Application
    Filed: March 21, 2014
    Publication date: September 25, 2014
    Applicant: Winteb Beheer B.V.
    Inventor: Albert Anton van der Velde