Patents by Inventor Wilhelmus Benda

Wilhelmus Benda 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: 5854426
    Abstract: The invention relates to a method and apparatus for metering and distributing pouring material (1) comprising a mixture of wood fibres or such base materials and a mineral binding agent for the production of chipboards, fibre boards or particle boards, especially cement-bonded particle boards, wherein the pouring material (1) is metered volumetrically and the volume and/or weight of the supplied pouring material (1) is controlled, such that along the length and also across the width of the boards to be produced a regular distribution is obtained.
    Type: Grant
    Filed: April 24, 1997
    Date of Patent: December 29, 1998
    Assignee: Bau- und Forschungsgesellschaft Thermoform AG
    Inventor: Wilhelmus Benda
  • Patent number: 5727671
    Abstract: Step conveyor comprising a primary stationary beam (1) and as secondary beam (2) being movable upwards and downwards as well as to and fro relative thereto. The secondary beam (2) is supported by restrictedly pivotable bow-shaped eccentrically journalled segments (3) resting on a stationary guideway (5). In each position the secondary beam (2) is positioned below the level of the primary beam (1). At its top the secondary beam (2) carries dogs (6) which in a nonoperative rest position are positioned below the level of the primary beam (1) and which in an operational position extend beyond the level of the primary beam (1) and can engage the objects (7) to be transported.
    Type: Grant
    Filed: May 16, 1996
    Date of Patent: March 17, 1998
    Inventor: Wilhelmus Benda