Patents by Inventor Jan Fritz Alden

Jan Fritz Alden 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: 5779537
    Abstract: A deposit cupboard (1) for solvents, combustible liquids and the like, comprises shelves (2) and at least one door. The cupboard is assigned an air intake holes (20) and an exhaust device (5), and distinguishes itself through the following combination of features: a) that the shelves (2) of the cupboard (1) are perforated and/or positioned at a distance from at least one of the adjacent inner faces of the side walls of the cupboard, in order to effect a minimum resistance against the air flow; b) that the cupboard is assigned a fire extinguishing apparatus (18) having an automatic, preferably thermostat-controlled release means; and c) that the top plate (4) of the cupboard is pivotally supported and adapted--upon the occurrence of an explosion within the cupboard--to be swung limitedly up into a securing or protecting position, wherein it forms an inclinedly directed shield, protecting the personnel from the effects of the explosion.
    Type: Grant
    Filed: July 5, 1996
    Date of Patent: July 14, 1998
    Inventor: Jan Fritz Alden