Patents by Inventor Roman Salzer

Roman Salzer 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).

  • Device for loading air with a controllable amount of a granular or powdery material
    Patent number: 4029364
    Abstract: A device for loading a stream of air with a controllable amount of granular or powdery material includes a container for the material. An annular conduit disposed in the free space above the material in the container has nozzles which are operable to discharge compressed air into the container to blow and churn-up the material. A double tube vertically and slidably mounted on the cover of the container is operable to conduct the compressed air to the annular conduit and to receive the air laden with material which has been blown and churned-up by the compressed air discharged into the container by the nozzles on the annular conduit.
    Type: Grant
    Filed: September 5, 1975
    Date of Patent: June 14, 1977
    Assignee: Interliz Anstalt
    Inventor: Roman Salzer