Patents by Inventor Ake Ekenberg

Ake Ekenberg 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).

  • Shavings--or chips--fired burner unit for heating boilers
    Patent number: 4430949
    Abstract: The invention relates to a burner unit for shavings or chips. It is particularly intended for firing with raw shavings or raw chips in a boiler (1). It is provided with a stoker apparatus (2) for feeding the shavings or chips to the boiler. It has further a predesiccation chamber (11, 21, 23, 27, 28) which is built up in the combustion chamber (12) of the boiler (1).
    Type: Grant
    Filed: November 20, 1981
    Date of Patent: February 14, 1984
    Inventor: Ake Ekenberg