Patents by Inventor Katsutsugu Abe

Katsutsugu Abe 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).

  • Warming device for generating heat by controlled exothermic oxidation of iron powder
    Patent number: 4366804
    Abstract: A warming device in which a mixture of iron powders and metal salts of acids are contained in an inner pouch having gas-permeability and water-permeability, and the inner pouch and a water-carrying member containing water are put in an outer covering body having thermo-regulating holes. The device provides heat by the exothermic reaction caused by oxidizing the iron powder.
    Type: Grant
    Filed: April 2, 1980
    Date of Patent: January 4, 1983
    Inventor: Katsutsugu Abe