Patents by Inventor Gunnar Rydstrom

Gunnar Rydstrom 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).

  • Cap applying apparatus
    Patent number: 4773204
    Abstract: An apparatus for applying caps on containers in which a primary cap-applicator applies the majority of caps and a secondary cap-applicator applies caps to the containers which have passed the primary cap-applicator without having been provided with a cap. A sensing means is arranged downstream of the primary cap-applicator to detect containers without caps and activate the secondary cap-applicator. This sensing means includes a photocell to detect a container and an inductive transducer to detect the cap on the container.
    Type: Grant
    Filed: September 29, 1987
    Date of Patent: September 27, 1988
    Assignee: Wicanders Kapsyl AB
    Inventor: Gunnar Rydstrom