Patents by Inventor Jeffrey Dufour

Jeffrey Dufour 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).

  • Non-cylindrical filter and side entry air cleaner incorporating the same
    Patent number: 11708809
    Abstract: A filter element is provided that is preferably a side entry air filter having an air filter media pack, a housing seal and a frame that has a clamping projection, a pivot projection and/or guide members. The clamping projection can define a non-linear bearing surface that may be chevron shaped to provide for interface and potential alignment benefits. The housing seal may be a wave seal that undulates.
    Type: Grant
    Filed: April 27, 2022
    Date of Patent: July 25, 2023
    Assignee: PARKER-HANNIFIN CORPORATION
    Inventors: Brian T. Ehrenberg, John Nichols, Randel D. Harbur, James Ray Manley, Jeffrey Dufour
  • NON-CYLINDRICAL FILTER AND SIDE ENTRY AIR CLEANER INCORPORATING THE SAME
    Publication number: 20220252027
    Abstract: A filter element is provided that is preferably a side entry air filter having an air filter media pack, a housing seal and a frame that has a clamping projection, a pivot projection and/or guide members. The clamping projection can define a non-linear bearing surface that may be chevron shaped to provide for interface and potential alignment benefits. The housing seal may be a wave seal that undulates.
    Type: Application
    Filed: April 27, 2022
    Publication date: August 11, 2022
    Inventors: Brian T. Ehrenberg, John Nichols, Randel D. Harbur, James Ray Manley, Jeffrey Dufour
  • NON-CYLINDRICAL FILTER ELEMENT AND SIDE ENTRY AIR CLEANER INCORPORATING THE SAME
    Publication number: 20200072169
    Abstract: A filter element is provided that is preferably a side entry air filter having an air filter media pack, a housing seal and a frame that has a clamping projection, a pivot projection and/or guide members. The clamping projection can define a non-linear bearing surface that may be chevron shaped to provide for interface and potential alignment benefits. The housing seal may be a wave seal that undulates.
    Type: Application
    Filed: February 4, 2019
    Publication date: March 5, 2020
    Applicant: Parker-Hannifin Corporation
    Inventors: Brian T. Ehrenberg, John Nichols, Randel D. Harbur, James Ray Manley, Jeffrey Dufour