Patents by Inventor Albert F. Riedel

Albert F. Riedel 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: 4164238
    Abstract: A closing plate for a ring valve, in particular a suction or pressure valve of a piston compressor, which is intended to be arranged on a valve seat with arcuate-shaped through-flow passages and comprises at least one concentric ring and at least one concentric sectioned ring which control the through-flow passages, and at least one concentric ring and at least one concentric sectioned ring are connected with each other through radial arms. One of the rings is continuous and adapted to be clamped on the valve seat at at least two points, while at least one other ring is split by radial slits between the radial arms to form the at least one concentric sectioned ring.
    Type: Grant
    Filed: June 6, 1978
    Date of Patent: August 14, 1979
    Assignee: Hoerbiger & Co.
    Inventor: Albert F. Riedel
  • Patent number: 3945397
    Abstract: A plate valve comprises a domed resilient catcher plate positioned above a valve seat to limit the stroke of a valve closure plate controlling fluid flow through passages in the valve seat. The catcher plate has its concave surface facing the valve seat and is held in position only in the region of the valve axis, the outer edge of the catcher plate being free.
    Type: Grant
    Filed: April 4, 1974
    Date of Patent: March 23, 1976
    Assignee: Hoerbiger Ventilwerke Aktiengesellschaft
    Inventor: Albert F. Riedel