Patents by Inventor John Hacker

John Hacker 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).

  • Liquid filter arrangement; components; and, methods
    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
  • Liquid filter arrangements and methods
    Patent number: 11673082
    Abstract: A liquid filter arrangement is provided, as well as methods of assembly and use. Advantageous features, relating to a preferred filter cartridge and a preferred slide arrangement, are provided.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: June 13, 2023
    Assignee: Donaldson Company, Inc.
    Inventors: Enrico Greco, Fabrizo Buratto, Mauro Cantoni, John Connelly, John Hacker
  • Filter cartridge for liquid filtration; assembly; and, methods
    Patent number: 11491423
    Abstract: A liquid filter cartridge is provided. Preferred seal arrangements are provided, to provide for preferred axial load conditions, with respect to one or more of the end caps of the cartridge. Some cartridge configurations provided include no core structure or outer liner structure therein, to support axial load. Assemblies using the cartridge, and methods of assembly and use, are provided. The liquid filter cartridge can be a serviceable cartridge, or it can be retained permanently in a housing.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: November 8, 2022
    Assignee: Donaldson Company, Inc.
    Inventor: John Hacker
  • LIQUID FILTER ARRANGEMENT; COMPONENTS; AND, METHODS
    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
  • Liquid filter arrangement; components; and, methods
    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
  • FILTER CARTRIDGE FOR LIQUID FILTERATION; ASSEMBLY; AND, METHODS
    Publication number: 20200330904
    Abstract: A liquid filter cartridge is provided. Preferred seal arrangements are provided, to provide for preferred axial load conditions, with respect to one or more of the end caps of the cartridge. Some cartridge configurations provided include no core structure or outer liner structure therein, to support axial load. Assemblies using the cartridge, and methods of assembly and use, are provided. The liquid filter cartridge can be a serviceable cartridge, or it can be retained permanently in a housing.
    Type: Application
    Filed: July 1, 2020
    Publication date: October 22, 2020
    Inventor: John Hacker
  • Filter cartridge for liquid filteration; assembly; and, methods
    Patent number: 10758847
    Abstract: A liquid filter cartridge is provided. Preferred seal arrangements are provided, to provide for preferred axial load conditions, with respect to one or more of the end caps of the cartridge. Some cartridge configurations provided include no core structure or outer liner structure therein, to support axial load. Assemblies using the cartridge, and methods of assembly and use, are provided. The liquid filter cartridge can be a serviceable cartridge, or it can be retained permanently in a housing.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: September 1, 2020
    Assignee: Donaldson Company, Inc.
    Inventor: John Hacker
  • LIQUID FILTER ARRANGEMENTS AND METHODS
    Publication number: 20200238205
    Abstract: A liquid filter arrangement is provided, as well as methods of assembly and use. Advantageous features, relating to a preferred filter cartridge and a preferred slide arrangement, are provided.
    Type: Application
    Filed: April 16, 2020
    Publication date: July 30, 2020
    Inventors: Enrico Greco, Fabrizo Buratto, Mauro Cantoni, John Connelly, John Hacker
  • Liquid filter arrangement and methods
    Patent number: 10646803
    Abstract: A liquid filter arrangement is provided, as well as methods of assembly and use. Advantageous features, relating to a preferred filter cartridge and a preferred slide arrangement, are provided.
    Type: Grant
    Filed: August 28, 2015
    Date of Patent: May 12, 2020
    Assignee: Donaldson Company, Inc.
    Inventors: Enrico Greco, Fabrizo Buratto, Mauro Cantoni, John Connelly, John Hacker
  • LIQUID FILTER ARRANGEMENT; COMPONENTS; AND, METHODS
    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
  • Liquid filter arrangement; components; and, methods
    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
  • FILTER CARTRIDGE FOR LIQUID FILTERATION; ASSEMBLY; AND, METHODS
    Publication number: 20180193776
    Abstract: A liquid filter cartridge is provided. Preferred seal arrangements are provided, to provide for preferred axial load conditions, with respect to one or more of the end caps of the cartridge. Some cartridge configurations provided include no core structure or outer liner structure therein, to support axial load. Assemblies using the cartridge, and methods of assembly and use, are provided. The liquid filter cartridge can be a serviceable cartridge, or it can be retained permanently in a housing.
    Type: Application
    Filed: December 13, 2017
    Publication date: July 12, 2018
    Inventor: John Hacker
  • Filter cartridges for liquid filtration; assembly; and, methods
    Patent number: 9895632
    Abstract: A liquid filter cartridge is provided. Preferred seal arrangements are provided, to provide for preferred axial load conditions, with respect to one or more of the end caps of the cartridge. Some cartridge configurations provided include no core structure or outer liner structure therein, to support axial load. Assemblies using the cartridge, and methods of assembly and use, are provided. The liquid filter cartridge can be a serviceable cartridge, or it can be retained permanently in a housing.
    Type: Grant
    Filed: November 17, 2014
    Date of Patent: February 20, 2018
    Assignee: Donaldson Company, Inc.
    Inventor: John Hacker
  • LIQUID FILTER ARRANGEMENT; COMPONENTS; AND, METHODS
    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
  • Liquid filter arrangement; components; and, methods
    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
  • LIQUID FILTER ARRANGEMENT AND METHODS
    Publication number: 20150367263
    Abstract: A liquid filter arrangement is provided, as well as methods of assembly and use. Advantageous features, relating to a preferred filter cartridge and a preferred slide arrangement, are provided.
    Type: Application
    Filed: August 28, 2015
    Publication date: December 24, 2015
    Inventors: Enrico Greco, Fabrizo Buratto, Mauro Cantoni, John Connelly, John Hacker
  • Liquid filter arrangement and methods
    Patent number: 9120041
    Abstract: A filter arrangement is provided, as well as methods of assembly and use. Advantageous features, relating to a preferred filter cartridge and a preferred slide arrangement, are provided. A filter cartridge is provided that includes a plurality of projections spaced from one another around a central axis. Also, a liquid filter assembly arrangement is provided that includes a plate arrangement having a central liquid flow channel, the central liquid flow channel including a cartridge positioning projection arrangement therein, comprising at least one projection extending radially toward a central axis.
    Type: Grant
    Filed: May 13, 2013
    Date of Patent: September 1, 2015
    Assignee: Donaldson Company, Inc.
    Inventors: Enrico Greco, Fabrizo Buratto, Mauro Cantoni, John Connelly, John Hacker
  • FILTER CARTRIDGES FOR LIQUID FILTRATION; ASSEMBLY; AND, METHODS
    Publication number: 20150136685
    Abstract: A liquid filter cartridge is provided. Preferred seal arrangements are provided, to provide for preferred axial load conditions, with respect to one or more of the end caps of the cartridge. Some cartridge configurations provided include no core structure or outer liner structure therein, to support axial load. Assemblies using the cartridge, and methods of assembly and use, are provided. The liquid filter cartridge can be a serviceable cartridge, or it can be retained permanently in a housing.
    Type: Application
    Filed: November 17, 2014
    Publication date: May 21, 2015
    Inventor: JOHN HACKER
  • Liquid Filter Arrangement; Components; and, Methods
    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
  • Liquid filter arrangement; components; and, methods
    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