Patents by Inventor Joel D. Roltgen

Joel D. Roltgen 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 element with depressed side portion
    Patent number: 10507421
    Abstract: A filter element comprising a filter media and an outer surface. The filter media is formed in a closed loop, the closed loop defining a hollow interior extending along a longitudinal axis between a first end of the filter media and a second end of the filter media. The outer surface surrounds a perimeter of the filter element and is defined by a substantially circular first portion and at least one second portion. The first portion is substantially circular at a selected height of the filter media, and the at least one second portion is depressed relative to a circle defined by the substantially circular first portion at the selected height.
    Type: Grant
    Filed: May 6, 2015
    Date of Patent: December 17, 2019
    Assignee: Cummins Filtration IP, Inc.
    Inventors: Scott W. Schwartz, Robert A. Bannister, Joel D. Roltgen, Jeffrey A. Rech, Stephen L. Fallon, Gregory K. Loken
  • FILTER ELEMENT WITH DEPRESSED SIDE PORTION
    Publication number: 20170050137
    Abstract: A filter element comprising a filter media and an outer surface. The filter media is formed in a closed loop, the closed loop defining a hollow interior extending along a longitudinal axis between a first end of the filter media and a second end of the filter media. The outer surface surrounds a perimeter of the filter element and is defined by a substantially circular first portion and at least one second portion. The first portion is substantially circular at a selected height of the filter media, and the at least one second portion is depressed relative to a circle defined by the substantially circular first portion at the selected height.
    Type: Application
    Filed: May 6, 2015
    Publication date: February 23, 2017
    Applicant: Cummins Filtration IP, Inc.
    Inventors: Scott W. Schwartz, Robert A. Bannister, Joel D. Roltgen, Jeffrey A. Rech, Stephen L. Fallon, Gregory K. Loken
  • Filter element
    Patent number: D735293
    Type: Grant
    Filed: May 7, 2014
    Date of Patent: July 28, 2015
    Assignee: Cummins Filtration IP, Inc.
    Inventors: Scott W. Schwartz, Robert A. Bannister, Joel D. Roltgen, Jeffrey A. Rech, Stephen L. Fallon, Gregory K. Loken
  • Filter element
    Patent number: D765221
    Type: Grant
    Filed: April 30, 2015
    Date of Patent: August 30, 2016
    Assignee: Cummins Filtration IP, Inc.
    Inventors: Scott W. Schwartz, Robert A. Bannister, Joel D. Roltgen, Jeffrey A. Rech, Stephen L. Fallon, Gregory K. Loken
  • Filter element
    Patent number: D770592
    Type: Grant
    Filed: May 5, 2015
    Date of Patent: November 1, 2016
    Assignee: CUMMINS FILTRATION IP, INC.
    Inventors: Scott W. Schwartz, Robert A. Bannister, Joel D. Roltgen, Jeffrey A. Rech, Stephen L. Fallon, Gregory K. Loken
  • Filter element
    Patent number: D810232
    Type: Grant
    Filed: September 27, 2016
    Date of Patent: February 13, 2018
    Assignee: Cummins Filtration IP, Inc.
    Inventors: Scott W. Schwartz, Robert A. Bannister, Joel D. Roltgen, Jeffrey A. Rech, Stephen L. Fallon, Gregory K. Loken