Patents by Inventor Thomas Reckersdrees

Thomas Reckersdrees 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).

  • Filling pipe for use in a filling machine for filling in particular valve sacks
    Patent number: 5423356
    Abstract: A filling pipe for use in a filling machine for filling in particular valve sacks, comprises a pipe body with an end piece which a closure ring defining an outlet opening and made of a filter material. The closure ring is surrounded by a ring chamber which is in fluid communication an air conduit for allowing evacuation of the ring chamber after termination of a filling process and, optionally, admittance of air after fitting an empty valve sack onto the pipe body.
    Type: Grant
    Filed: February 16, 1994
    Date of Patent: June 13, 1995
    Assignee: Haver & Boecker
    Inventor: Thomas Reckersdrees