Patents by Inventor Keith Alderson

Keith Alderson 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 media pack, filter assembly, and method
    Patent number: 10610812
    Abstract: Disclosed are filter media packs having a single layer of a high loft filter media and a single layer of a low loft filter media, the filter media pack characterized by the absence of oil added to the filter media pack, the filter media pack capable of filtering air laden particulates from an air stream at greater than 94% efficiency at air stream flow rates of between about 100 feet per minute and 3000 feet per minute. Also disclosed are filter assemblies formed from the filter media pack, and methods of using the filter assemblies.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: April 7, 2020
    Assignee: Donaldson Company, Inc.
    Inventors: Giancarlo Izzi, Robert M. Rogers, Brad E. Kahlbaugh, Timothy O. Winters, Keith Alderson
  • FILTER MEDIA PACK, FILTER ASSEMBLY, AND METHOD
    Publication number: 20190054405
    Abstract: Disclosed are filter media packs having a single layer of a high loft filter media and a single layer of a low loft filter media, the filter media pack characterized by the absence of oil added to the filter media pack, the filter media pack capable of filtering air laden particulates from an air stream at greater than 94% efficiency at air stream flow rates of between about 100 feet per minute and 3000 feet per minute. Also disclosed are filter assemblies formed from the filter media pack, and methods of using the filter assemblies.
    Type: Application
    Filed: October 22, 2018
    Publication date: February 21, 2019
    Inventors: Giancarlo Izzi, Robert M. Rogers, Brad E. Kahlbaugh, Timothy O. Winters, Keith Alderson
  • Filter media pack, filter assembly, and method
    Patent number: 10105624
    Abstract: Disclosed are filter media packs having a single layer of a high loft filter media and a single layer of a low loft filter media, the filter media pack characterized by the absence of oil added to the filter media pack, the filter media pack capable of filtering air laden particulates from an air stream at greater than 94% efficiency at air stream flow rates of between about 100 feet per minute and 3000 feet per minute. Also disclosed are filter assemblies formed from the filter media pack, and methods of using the filter assemblies.
    Type: Grant
    Filed: February 3, 2012
    Date of Patent: October 23, 2018
    Assignee: Donaldson Company, Inc.
    Inventors: Giancarlo Izzi, Robert M. Rogers, Brad E. Kahlbaugh, Timothy O. Winters, Keith Alderson
  • FILTER MEDIA PACK, FILTER ASSEMBLY, AND METHOD
    Publication number: 20130327218
    Abstract: Disclosed are filter media packs having a single layer of a high loft filter media and a single layer of a low loft filter media, the filter media pack characterized by the absence of oil added to the filter media pack, the filter media pack capable of filtering air laden particulates from an air stream at greater than 94% efficiency at air stream flow rates of between about 100 feet per minute and 3000 feet per minute. Also disclosed are filter assemblies formed from the filter media pack, and methods of using the filter assemblies.
    Type: Application
    Filed: February 3, 2012
    Publication date: December 12, 2013
    Applicant: Donaldson Company, Inc.
    Inventors: Giancarlo Izzi, Robert M. Rogers, Brad E. Kahlbaugh, Timothy O. Winters, Keith Alderson