Patents by Inventor Andrew L. Albitz

Andrew L. Albitz 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 arrangements; components; assemblies; and methods
    Patent number: 9914084
    Abstract: Filter cartridge arrangements, features, and methods of construction are described. Also described are filter assemblies having the filter cartridge installed therein as a removable service component. The filter cartridge generally comprises a media pack having an end with an end piece positioned thereon. The end piece includes an end cap section and a seal support. A seal member is secured in the end cap. Methods of assembly and use are described.
    Type: Grant
    Filed: November 18, 2013
    Date of Patent: March 13, 2018
    Assignee: Donaldson Company, Inc.
    Inventors: Steven Campbell, Steven Gieseke, Andrew L. Albitz
  • FILTER ARRANGMENTS; COMPONENTS; ASSEMBLIES; AND METHODS
    Publication number: 20150292448
    Abstract: Filter cartridge arrangements, features, and methods of construction are described. Also described are filter assemblies having the filter cartridge installed therein as a removable service component. The filter cartridge generally comprises a media pack having an end with an end piece positioned thereon. The end piece includes an end cap section and a seal support. A seal member is secured in the end cap. Methods of assembly and use are described.
    Type: Application
    Filed: November 18, 2013
    Publication date: October 15, 2015
    Applicant: DONALD COMPANY, INC.
    Inventors: Steven Campbell, Steven Gieseke, Andrew L. Albitz
  • Filter arrangements; components; assemblies; and, methods
    Patent number: 9089804
    Abstract: Filter cartridge arrangements, features, and methods of construction are described. Also described are filter assemblies having the filter cartridge installed therein as a removable service component. The filter cartridge generally comprises a media pack having an end with an end piece positioned thereon. The end piece includes an end cap section and a seal support, defining a seal recess. A seal member is secured within the seal recess. Methods of assembly and use are described.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: July 28, 2015
    Assignee: Donaldson Company, Inc.
    Inventors: Steven Campbell, Steven Scott Gieseke, Andrew L. Albitz
  • FILTER ARRANGEMENTS; COMPONENTS; ASSEMBLIES; AND, METHODS
    Publication number: 20140137525
    Abstract: Filter cartridge arrangements, features, and methods of construction are described. Also described are filter assemblies having the filter cartridge installed therein as a removable service component. The filter cartridge generally comprises a media pack having an end with an end piece positioned thereon. The end piece includes an end cap section and a seal support, defining a seal recess. A seal member is secured within the seal recess. Methods of assembly and use are described.
    Type: Application
    Filed: March 15, 2013
    Publication date: May 22, 2014
    Applicant: Donaldson Company Inc.
    Inventors: STEVEN CAMBPELL, Steven Scott Gieseke, Andrew L. Albitz
  • Air filtration arrangements having spacer constructions
    Patent number: 6099606
    Abstract: An air filter element includes structure for supporting a secondary air filter element mounted within it, such as a safety element. In certain arrangements, the air filter element includes a media pack having first and second ends and defining an open filter interior. A first open end cap is positioned on the media pack first end. A second closed end cap is positioned on the media pack second end. The spacer construction has attachment structure and positioning structure. The attachment structure secures the spacer arrangement within the open filter interior, and the positioning structure extends from the attachment structure. In one illustrated embodiment, the spacer construction includes an insert embedded within the second closed end cap. In one illustration, the insert has a circular disk with feet and a centrally extending post with a fin arrangement.
    Type: Grant
    Filed: March 19, 1998
    Date of Patent: August 8, 2000
    Assignee: Donaldson Company, Inc.
    Inventors: Thomas G. Miller, Dolan D. Bartels, Andrew L. Albitz, Bruce R. Crenshaw
  • Inside surface of a filter element having spacer construction
    Patent number: D422071
    Type: Grant
    Filed: March 19, 1998
    Date of Patent: March 28, 2000
    Assignee: Donaldson Company, Inc.
    Inventors: Thomas G. Miller, Dolan D. Bartels, Andrew L. Albitz, Bruce R. Crenshaw