Patents by Inventor Harold J. Wonderling

Harold J. Wonderling 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).

  • Holder for bag filter
    Patent number: 4266954
    Abstract: A bag filter assembly adapted to permit rapid removal, replacement and repair of the individual filter bags in the assembly. The filter bags are frictionally held in an operational position by a combination of interlocking parts that are securely held by spring biased detents. The spring biased detents of the several parts are designed to permit assembly and disassembly of the bag filter by a series of direct push-pull movements.
    Type: Grant
    Filed: July 12, 1979
    Date of Patent: May 12, 1981
    Assignee: The Air Preheater Company, Inc.
    Inventors: Arthur A. Oare, Harold J. Wonderling
  • Filter bag cage
    Patent number: 4141128
    Abstract: A filter that is used to remove dust or other particulate matter from a carrier gas being directed therethrough. The filter comprises a cylindrical bag supported on a skeletal cage that may be shipped in an unassembled form and expanded to final configuration only when prepared for use. The arrangement permits shipping and storing the filter bag in a "knock-down" form that occupies but a small fraction of its final volume, while it may be readily assembled and held permanently rigid by an integral tension spring.
    Type: Grant
    Filed: January 16, 1978
    Date of Patent: February 27, 1979
    Assignee: The Air Preheater Company, Inc.
    Inventor: Harold J. Wonderling