Patents by Inventor Alain Felten

Alain Felten 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: 4068829
    Abstract: A head for mixing and discharging at least two ingredients comprising distributor valves to mix the products, each valve having a stem associated with a lever pivoted to be controlled by a rod which cooperates with a cam ramp carried by a sliding member capable of being displaced within the head and the slide member being movable to stop distribution of the mixed product and recycle the ingredients into their separate storage reservoirs, the machine being particularly useful in connection with the making of polyurethane.
    Type: Grant
    Filed: January 27, 1976
    Date of Patent: January 17, 1978
    Assignee: Secmer S.A.
    Inventors: Daniel Laurent, Alain Felten