Patents by Inventor Frank B. Handwork

Frank B. Handwork 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).

  • Filter bag assembly
    Patent number: 4073632
    Abstract: An improved filter bag mounting assembly for fabric type dust collectors compositely constituted of a selectively shaped mounting and filter media supporting member adapted for removable insertion in a complementally sized receiving aperture in a tube sheet, a filter media sheathed retainer assembly terminally connected at one end, in releasably latched gas tight relation to the mounting member and a closure plug disposed in the other terminal end of said media sheathed retainer and secured thereto in releasable gas tight latched relation.
    Type: Grant
    Filed: July 7, 1975
    Date of Patent: February 14, 1978
    Assignee: United States Filter Corporation
    Inventors: Thomas V. Reinauer, Robert W. Duyckinck, Frank B. Handwork