Patents by Inventor Brian Mandt

Brian Mandt 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).

  • Patent number: 11944925
    Abstract: Liquid filter arrangements are described and shown. The arrangements generally include a filter member comprising a shell enclosing a filter cartridge. Unique features for interface between the enclosed filter cartridge and the shell are provided. Also provided are unique features for interaction between the cartridge and a filter head, in use.
    Type: Grant
    Filed: December 22, 2021
    Date of Patent: April 2, 2024
    Assignee: Donaldson Company, Inc.
    Inventors: Brian Mandt, Brent Gulsvig, John Hacker
  • Publication number: 20220249990
    Abstract: Liquid filter arrangements are described and shown. The arrangements generally include a filter member comprising a shell enclosing a filter cartridge. Unique features for interface between the enclosed filter cartridge and the shell are provided. Also provided are unique features for interaction between the cartridge and a filter head, in use.
    Type: Application
    Filed: December 22, 2021
    Publication date: August 11, 2022
    Inventors: Brian Mandt, Brent Gulsvig, John Hacker
  • Patent number: 11207621
    Abstract: Liquid filter arrangements are described and shown. The arrangements generally include a filter member comprising a shell enclosing a filter cartridge. Unique features for interface between the enclosed filter cartridge and the shell are provided. Also provided are unique features for interaction between the cartridge and a filter head, in use.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: December 28, 2021
    Assignee: Donaldson Company, Inc.
    Inventors: Brian Mandt, Brent Gulsvig, John Hacker
  • Publication number: 20200086252
    Abstract: Liquid filter arrangements are described and shown. The arrangements generally include a filter member comprising a shell enclosing a filter cartridge. Unique features for interface between the enclosed filter cartridge and the shell are provided. Also provided are unique features for interaction between the cartridge and a filter head, in use.
    Type: Application
    Filed: November 22, 2019
    Publication date: March 19, 2020
    Inventors: Brian Mandt, Brent Gulsvig, John Hacker
  • Patent number: 10493386
    Abstract: Liquid filter arrangements are described and shown. The arrangements generally include a filter member comprising a shell enclosing a filter cartridge. Unique features for interface between the enclosed filter cartridge and the shell are provided. Also provided are unique features for interaction between the cartridge and a filter head, in use.
    Type: Grant
    Filed: August 25, 2017
    Date of Patent: December 3, 2019
    Assignee: Donaldson Company, Inc.
    Inventors: Brian Mandt, Brent Gulsvig, John Hacker
  • Publication number: 20170348622
    Abstract: Liquid filter arrangements are described and shown. The arrangements generally include a filter member comprising a shell enclosing a filter cartridge. Unique features for interface between the enclosed filter cartridge and the shell are provided. Also provided are unique features for interaction between the cartridge and a filter head, in use.
    Type: Application
    Filed: August 25, 2017
    Publication date: December 7, 2017
    Inventors: Brian Mandt, Brent Gulsvig, John Hacker
  • Patent number: 9751033
    Abstract: Liquid filter arrangements are described and shown. The arrangements generally include a filter member comprising a shell enclosing a filter cartridge. Unique features for interface between the enclosed filter cartridge and the shell are provided. Also provided are unique features for interaction between the cartridge and a filter head, in use.
    Type: Grant
    Filed: August 28, 2014
    Date of Patent: September 5, 2017
    Assignee: Donaldson Company, Inc.
    Inventors: Brian Mandt, Brent Gulsvig, John Hacker
  • Publication number: 20150090656
    Abstract: Liquid filter arrangements are described and shown. The arrangements generally include a filter member comprising a shell enclosing a filter cartridge. Unique features for interface between the enclosed filter cartridge and the shell are provided. Also provided are unique features for interaction between the cartridge and a filter head, in use.
    Type: Application
    Filed: August 28, 2014
    Publication date: April 2, 2015
    Inventors: Brian Mandt, Brent Gulsvig, John Hacker
  • Patent number: 8821724
    Abstract: Liquid filter arrangements are described and shown. The arrangements generally include a filter member comprising a shell enclosing a filter cartridge. Unique features for interface between the enclosed filter cartridge and the shell are provided. Also provided are unique features for interaction between the cartridge and a filter head, in use.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: September 2, 2014
    Assignee: Donaldson Company, Inc.
    Inventors: Brian Mandt, Brent Gulsvig, John Hacker
  • Patent number: 8535530
    Abstract: Liquid filter arrangements are described and shown. The arrangements generally include a filter head, a seal adaptor, and a filter member comprising a shell enclosing a cartridge. Unique features for interface between the filter cartridge and the filter head are provided. Also provided are unique filter head features and cartridge features.
    Type: Grant
    Filed: December 16, 2008
    Date of Patent: September 17, 2013
    Assignee: Donaldson Company, Inc.
    Inventors: Brian Mandt, Brent A. Gulsvig, John R. Hacker
  • Publication number: 20130168310
    Abstract: Liquid filter arrangements are described and shown. The arrangements generally include a filter member comprising a shell enclosing a filter cartridge. Unique features for interface between the enclosed filter cartridge and the shell are provided. Also provided are unique features for interaction between the cartridge and a filter head, in use.
    Type: Application
    Filed: September 14, 2012
    Publication date: July 4, 2013
    Applicant: Donaldson Company, Inc.
    Inventors: BRIAN MANDT, Brent A. Gulsvig, John R. Hacker
  • Patent number: 7628280
    Abstract: Liquid filter arrangements are described and shown. The arrangements generally include a filter head, a seal adaptor, and a filter member comprising a shell enclosing a cartridge. Unique features for interface between the filter cartridge and the filter head are provided. Also provided are unique filter head features and cartridge features.
    Type: Grant
    Filed: November 14, 2006
    Date of Patent: December 8, 2009
    Assignee: Donaldson Company, Inc.
    Inventors: Brian Mandt, Brent A. Gulsvig, John R. Hacker
  • Publication number: 20090200221
    Abstract: A filter element includes a tubular extension of pleated media, a first end cap, a second end cap, a porous-inner filter support oriented to line the pleated filter media, a latch arrangement, and a seal member. The inner filter support has an end wall adjacent to the first end cap, with the end wall defining an opening. The latch arrangement projects from the end wall of the filter support. The seal member is secured to the second end cap and circumscribes the second end cap aperture.
    Type: Application
    Filed: May 6, 2005
    Publication date: August 13, 2009
    Applicant: DONALDSON COMPANY, INC.
    Inventors: John R. Hacker, Brian Mandt, Brent Gulsvig
  • Publication number: 20090114585
    Abstract: Liquid filter arrangements are described and shown. The arrangements generally include a filter head, a seal adaptor, and a filter member comprising a shell enclosing a cartridge. Unique features for interface between the filter cartridge and the filter head are provided. Also provided are unique filter head features and cartridge features.
    Type: Application
    Filed: December 16, 2008
    Publication date: May 7, 2009
    Applicant: Donaldson Company Inc.
    Inventors: Brian Mandt, Brent A. Gulsvig, John R. Hacker
  • Publication number: 20070235378
    Abstract: A top load service cartridge including filter media and a treatment agent storage and release cartridge is provided. The cartridge is configured for diffusion of the treatment agent from the treatment agent storage and release cartridge, into liquid flowing through the filter arrangement. Methods of assembly and descriptions of use are provided.
    Type: Application
    Filed: March 4, 2005
    Publication date: October 11, 2007
    Applicant: Donaldson Corporation Company, Inc.
    Inventors: Brian Mandt, Brent Gulsvig, John Hacker
  • Patent number: 7238285
    Abstract: A liquid filter arrangement including an internally received treatment agent storage and release cartridge is provided. The assembly is configured for diffusion of the treatment agent from the treatment agent storage and release cartridge, into liquid flowing through the filter arrangement. A particular arrangement shown is configured which provides for a dynamic type of liquid flow providing a current directed through the treatment agent storage and release cartridge. In the preferred arrangements, an initial static type of flow followed by later dynamic flow, is provided. Alternatives, methods of assembly and descriptions of use are provided.
    Type: Grant
    Filed: March 4, 2005
    Date of Patent: July 3, 2007
    Assignee: Donaldson Company, Inc.
    Inventors: John R. Hacker, Brian Mandt, Brent A. Gulsvig
  • Publication number: 20070108119
    Abstract: Liquid filter arrangements are described and shown. The arrangements generally include a filter head, a seal adaptor, and a filter member comprising a shell enclosing a cartridge. Unique features for interface between the filter cartridge and the filter head are provided. Also provided are unique filter head features and cartridge features.
    Type: Application
    Filed: November 14, 2006
    Publication date: May 17, 2007
    Inventors: Brian Mandt, Brent Gulsvig, John Hacker
  • Patent number: 7160451
    Abstract: A liquid filter arrangement including an internally received treatment agent storage and release cartridge is provided. The assembly is configured for diffusion of the treatment agent from the treatment agent storage and release cartridge, into liquid flowing through the filter arrangement. A particular arrangement shown is configured which provides for a dynamic type of liquid flow providing a current directed through the treatment agent storage and release cartridge. In the preferred arrangements, an initial static type of flow followed by later dynamic flow, is provided. Alternatives, methods of assembly and descriptions of use are provided.
    Type: Grant
    Filed: December 9, 2005
    Date of Patent: January 9, 2007
    Assignee: Donaldson Company, Inc.
    Inventors: John R. Hacker, Brian Mandt, Brent A. Gulsvig
  • Publication number: 20060065584
    Abstract: A liquid filter arrangement including an internally received treatment agent storage and release cartridge is provided. The assembly is configured for diffusion of the treatment agent from the treatment agent storage and release cartridge, into liquid flowing through the filter arrangement. A particular arrangement shown is configured which provides for a dynamic type of liquid flow providing a current directed through the treatment agent storage and release cartridge. In the preferred arrangements, an initial static type of flow followed by later dynamic flow, is provided. Alternatives, methods of assembly and descriptions of use are provided.
    Type: Application
    Filed: December 9, 2005
    Publication date: March 30, 2006
    Applicant: DONALDSON COMPANY, INC.
    Inventors: John Hacker, Brian Mandt, Brent Gulsvig
  • Publication number: 20050194301
    Abstract: A liquid filter arrangement including an internally received treatment agent storage and release cartridge is provided. The assembly is configured for diffusion of the treatment agent from the treatment agent storage and release cartridge, into liquid flowing through the filter arrangement. A particular arrangement shown is configured which provides for a dynamic type of liquid flow providing a current directed through the treatment agent storage and release cartridge. In the preferred arrangements, an initial static type of flow followed by later dynamic flow, is provided. Alternatives, methods of assembly and descriptions of use are provided.
    Type: Application
    Filed: March 4, 2005
    Publication date: September 8, 2005
    Inventors: John Hacker, Brian Mandt, Brent Gulsvig