Patents by Inventor Yosinori Kubota

Yosinori Kubota 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).

  • Torch for cutting, welding or heating
    Patent number: 4433358
    Abstract: A torch provided with an automatic igniting device by which the combustible gas mixture needed for cutting, welding or heating metals can be ignited easily, reliably and with proper timing by manipulating a valve which must invariably be opened for feeding the pressure fluid to be used and effectively utilizing the pressure energy of the fluid for ignition. The automatically ignitable torch has outstanding advantages in respect of construction, fabrication, cost and durability.
    Type: Grant
    Filed: August 16, 1982
    Date of Patent: February 21, 1984
    Assignee: L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventor: Yosinori Kubota