Patents by Inventor Hans C. Allback

Hans C. Allback 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).

  • Method for removing glazing putty from windows
    Patent number: 4582540
    Abstract: A method of removing putty from windows by heating the putty until it softens, by means of infrared radiation (4) which is focused onto the putty, and the putty thus heated by infrared radiation is scraped away. Use may be made of an infrared heating apparatus (1) having an elongate heating wire (2) and an elliptical reflector (3) for focusing the infrared radiation (4) thus produced in a focal line (5), the apparatus also having a spacer member (8) extending up to the focal line and having an elongate opening (9) essentially in the plane of the focal line for conducting the infrared radiation to the putty.
    Type: Grant
    Filed: December 28, 1984
    Date of Patent: April 15, 1986
    Assignee: Utvecklings AB Carmen
    Inventor: Hans C. Allback
  • Combined infrared heating device and body thereof
    Patent number: D287535
    Type: Grant
    Filed: May 25, 1984
    Date of Patent: December 30, 1986
    Assignee: Utveckling AB Carmen
    Inventor: Hans C. Allback