Patents by Inventor Russell Ridgway

Russell Ridgway 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).

  • Publication number: 20070114170
    Abstract: In a fluid filter cartridge, and a method for manufacturing a fluid filter cartridge, a drain fitting is attached by a crimped joint to a housing of the filter cartridge. The drain fitting is loosely fitted into the housing, prior to forming the crimped joint. The drain fitting has an outer periphery thereof which includes a crimping recess therein and the housing includes a crimped portion thereof which is formed into the crimping recess of the drain fitting to form the crimped connection. The crimping recess further includes anti-rotation features in the form of raised ribs about which the crimped portion of the housing is formed for resisting rotation of the drain fitting with respect to the housing.
    Type: Application
    Filed: November 18, 2005
    Publication date: May 24, 2007
    Applicant: Baldwin Filters, Inc.
    Inventors: Timothy Krull, Russell Ridgway