Patents by Inventor Ture Rickard Leopold Holmqvist

Ture Rickard Leopold Holmqvist 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: 3952861
    Abstract: A belt conveyor construction in which narrow belts are trained about rollers supported on square flanged holders that slidably fit in opposite ends of square spacers. Simple screws adjust belt tension and secure the holders in the spacers. The weight supporting run of the belts pass over flanged support rollers journalled on the spacers, and the support roller flanges extend less than the thickness of the belts.
    Type: Grant
    Filed: June 26, 1974
    Date of Patent: April 27, 1976
    Inventors: Ture Rickard Leopold Holmqvist, Adolf Gunnar Gustafson