Patents by Inventor Claes Martin Weibull

Claes Martin Weibull 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: 3934355
    Abstract: Storage of grains and other vegetable products in a large-capacity silo having air-tight walls, bottom and roof and air conditioning means, which is arranged to supply air of controlled moisture content and temperature. The silo has double walls defining a space and said air supplying means is connectible either to the storage space of the silo through aeration openings in the silo bottom or to said space between the silo walls.
    Type: Grant
    Filed: June 4, 1974
    Date of Patent: January 27, 1976
    Assignee: Claes Martin Weibull
    Inventor: Claes Martin Weibull