Patents by Inventor Pieter Spinder

Pieter Spinder 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: 4940022
    Abstract: A feeding gate of the type comprising tiltable closing pipes and a rectilinearly movable member to latch and unlatch the closing pipes is centrally latchable and unlatchable. The operating member has a recess in the horizontal leg for centrally latching the closing pipes and the vertical leg has an obliquely rising edge for centrally unlatching the closing pipes.
    Type: Grant
    Filed: December 14, 1988
    Date of Patent: July 10, 1990
    Assignee: Spinder Stalinrichting B.V.
    Inventor: Pieter Spinder
  • Patent number: 4936258
    Abstract: By laterally connecting the shoulder beam of a cubicle separation to the separation that is bent in mushroom-shape and by bending it towards the head beam that serves as the fulcrum for the complete structure of separation and shoulder beam, an extremely simply constructed tiltable cubicle separation is obtained.
    Type: Grant
    Filed: December 19, 1988
    Date of Patent: June 26, 1990
    Assignee: Spinder Stalinrichting B.V.
    Inventor: Pieter Spinder