Patents by Inventor Bruce Crenshaw

Bruce Crenshaw 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).

  • Air filter arrangement; assembly; and, methods
    Patent number: 11951429
    Abstract: Air filter cartridges are disclosed. Also described are air cleaners including the filter cartridges. Methods of assembly and use are also provided. Also, systems of use are described.
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: April 9, 2024
    Assignee: Donaldson Company, Inc.
    Inventors: Gregory Reichter, Wayne Bishop, Benny K. Nelson, Darrel Wegner, Bruce Crenshaw, Thomas Miller, Donald Mork, Kevin Schrage, Vladimir Kladnitsky, Richard Osendorf, Bradley Kuempel, Thomas Lundgren, Jordan Flagstad
  • AIR FILTER ARRANGEMENT; ASSEMBLY; AND, METHODS
    Publication number: 20230415082
    Abstract: Air filter cartridges are disclosed. Also described are air cleaners including the filter cartridges. Methods of assembly and use are also provided. Also, systems of use are described.
    Type: Application
    Filed: June 28, 2023
    Publication date: December 28, 2023
    Inventors: Gregory Reichter, Wayne Bishop, Benny K. Nelson, Darrel Wegner, Bruce Crenshaw, Thomas Miller, Donald Mork, Kevin Schrage, Vladimir Kladnitsky, Richard Osendorf, Bradley Kuempel, Thomas Lundgren, Jordan Flagstad
  • Air filter arrangement; assembly; and, methods
    Patent number: 11826689
    Abstract: An air cleaner arrangement is shown. The air cleaner arrangement includes a serviceable filter cartridge. A preferred filter cartridge positionable within an air cleaner arrangement, is depicted.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: November 28, 2023
    Assignee: Donaldson Company, Inc.
    Inventors: Gregory Reichter, Wayne R. W. Bishop, Benny Nelson, Darrel Wegner, Bruce Crenshaw, Vladimir Kladnitsky, Donald Mork, Kevin Schrage, Richard Osendorf, Bradley Kuempel, Thomas Lundgren, Jordan S. Flagstad, Thomas G. Miller
  • Air filter arrangement; assembly; and, methods
    Patent number: 11759744
    Abstract: An air filter arrangement is disclosed. The air filter arrangement includes media comprising corrugated media secured to facing media and defining a media pack having opposite flow faces. Media pack arrangements including such media are described. Also described are filter cartridges including such media packs and air cleaners including the filter cartridges. Advantageous housing seal arrangements having a pinch seal member and forming a trough are described. Methods of assembly and use are also provided. Also, systems of use are described.
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: September 19, 2023
    Assignee: Donaldson Company, Inc.
    Inventors: Gregory Reichter, Wayne Bishop, Benny K. Nelson, Darrel Wegner, Bruce Crenshaw, Vladimir Kladnitsky, Thomas Miller, Donald Mork, Kevin Schrage, Richard Osendorf, Bradley Kuempel, Thomas Lundgren
  • Air Filter Arrangement; Assembly; and, Methods
    Publication number: 20220176299
    Abstract: An air filter arrangement is disclosed. The air filter arrangement includes media comprising corrugated media secured to facing media and defining a media pack having opposite flow faces. Media pack arrangements including such media are described. Also described are filter cartridges including such media packs and air cleaners including the filter cartridges. Advantageous housing seal arrangements having a pinch seal member and forming a trough are described. Methods of assembly and use are also provided. Also, systems of use are described.
    Type: Application
    Filed: November 23, 2021
    Publication date: June 9, 2022
    Inventors: Gregory Reichter, Wayne Bishop, Benny K. Nelson, Darrel Wegner, Bruce Crenshaw, Vladimir Kladnitsky, Thomas Miller, Donald Mork, Kevin Schrage, Richard Osendorf, Bradley Kuempel, Thomas Lundgren
  • Air filter arrangement; assembly; and, methods
    Patent number: 11207632
    Abstract: An air filter arrangement is disclosed. The air filter arrangement includes media comprising corrugated media secured to facing media and defining a media pack having opposite flow faces. Media pack arrangements including such media are described. Also described are filter cartridges including such media packs and air cleaners including the filter cartridges. Advantageous housing seal arrangements having a pinch seal member and forming a trough are described. Methods of assembly and use are also provided. Also, systems of use are described.
    Type: Grant
    Filed: January 29, 2020
    Date of Patent: December 28, 2021
    Assignee: Donaldson Company, Inc.
    Inventors: Gregory Reichter, Wayne Bishop, Benny K. Nelson, Darrel Wegner, Bruce Crenshaw, Vladimir Kladnitsky, Thomas Miller, Donald Mork, Kevin Schrage, Richard Osendorf, Bradley Kuempel, Thomas Lundgren
  • AIR FILTER ARRANGEMENT; ASSEMBLY; AND, METHODS
    Publication number: 20210394101
    Abstract: Air filter cartridges are disclosed. Also described are air cleaners including the filter cartridges. Methods of assembly and use are also provided. Also, systems of use are described.
    Type: Application
    Filed: May 27, 2021
    Publication date: December 23, 2021
    Inventors: Gregory Reichter, Wayne Bishop, Benny K. Nelson, Darrel Wegner, Bruce Crenshaw, Thomas Miller, Donald Mork, Kevin Schrage, Vladimir Kladnitsky, Richard Osendorf, Bradley Kuempel, Thomas Lundgren, Jordan Flagstad
  • Air filter arrangement; assembly; and, methods
    Patent number: 11020699
    Abstract: Air filter cartridges are disclosed. Also described are air cleaners including the filter cartridges. Methods of assembly and use are also provided. Also, systems of use are described.
    Type: Grant
    Filed: September 17, 2019
    Date of Patent: June 1, 2021
    Assignee: Donaldson Company, Inc.
    Inventors: Gregory Reichter, Wayne Bishop, Benny K. Nelson, Darrel Wegner, Bruce Crenshaw, Thomas Miller, Donald Mork, Kevin Schrage, Vladimir Kladnitsky, Richard Osendorf, Bradley Kuempel, Thomas Lundgren, Jordan Flagstad
  • Air Filter Arrangement; Assembly; and, Methods
    Publication number: 20210077940
    Abstract: An air cleaner arrangement is shown. The air cleaner arrangement includes a serviceable filter cartridge. A preferred filter cartridge positionable within an air cleaner arrangement, is depicted.
    Type: Application
    Filed: November 23, 2020
    Publication date: March 18, 2021
    Inventors: Gregory Reichter, Wayne R.W. Bishop, Benny Nelson, Darrel Wegner, Bruce Crenshaw, Vladimir Kladtnitsky, Donald Mork, Kevin Schrage, Richard Osendorf, Bradley Kuempel, Thomas Lundgren, Jordan S. Flagstad
  • Air filter arrangement; assembly; and, methods
    Patent number: 10864475
    Abstract: An air cleaner arrangement is shown. The air cleaner arrangement includes a serviceable filter cartridge. A preferred filter cartridge positionable within an air cleaner arrangement, is depicted.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: December 15, 2020
    Assignee: Donaldson Company, Inc.
    Inventors: Gregory L. Reichter, Wayne R. W. Bishop, Benny K. Nelson, Darrel Wegner, Bruce Crenshaw, Vladimir Kladnitsky, Donald Raymond Mork, Kevin Schrage, Richard J. Osendorf, Bradley A. Kuempel, Thomas J. Lundgren, Jordan S. Flagstad
  • AIR FILTER ARRANGEMENT; ASSEMBLY; AND, METHODS
    Publication number: 20200179862
    Abstract: An air filter arrangement is disclosed. The air filter arrangement includes media comprising corrugated media secured to facing media and defining a media pack having opposite flow faces. Media pack arrangements including such media are described. Also described are filter cartridges including such media packs and air cleaners including the filter cartridges. Advantageous housing seal arrangements having a pinch seal member and forming a trough are described. Methods of assembly and use are also provided. Also, systems of use are described.
    Type: Application
    Filed: January 29, 2020
    Publication date: June 11, 2020
    Inventors: Gregory Reichter, Wayne Bishop, Benny K. Nelson, Darrel Wegner, Bruce Crenshaw, Vladimir Kladnitsky, Thomas Miller, Donald Mork, Kevin Schrage, Richard Osendorf, Bradley Kuempel, Thomas Lundgren
  • AIR FILTER ARRANGEMENT; ASSEMBLY; AND, METHODS
    Publication number: 20200114292
    Abstract: Air filter cartridges are disclosed. Also described are air cleaners including the filter cartridges. Methods of assembly and use are also provided. Also, systems of use are described.
    Type: Application
    Filed: September 17, 2019
    Publication date: April 16, 2020
    Inventors: Gregory Reichter, Wayne Bishop, Benny K. Nelson, Darrel Wegner, Bruce Crenshaw, Thomas Miller, Donald Mork, Kevin Schrage, Vladimir Kladnitsky, Richard Osendorf, Bradley Kuempel, Thomas Lundgren, Jordan Flagstad
  • Air filter arrangement; assembly; and, methods
    Patent number: 10556201
    Abstract: An air filter arrangement is disclosed. The air filter arrangement includes media comprising corrugated media secured to facing media and defining a media pack having opposite flow faces. Media pack arrangements including such media are described. Also described are filter cartridges including such media packs and air cleaners including the filter cartridges. Advantageous housing seal arrangements having a pinch seal member and forming a trough are described. Methods of assembly and use are also provided. Also, systems of use are described.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: February 11, 2020
    Assignee: Donaldson Company, Inc.
    Inventors: Gregory Reichter, Wayne Bishop, Benny K. Nelson, Darrel Wegner, Bruce Crenshaw, Vladimir Kladnitsky, Thomas Miller, Donald Mork, Kevin Schrage, Richard Osendorf, Bradley Kuempel, Thomas Lundgren
  • Air filter arrangement; assembly; and, methods
    Patent number: 10421034
    Abstract: Air filter cartridges are disclosed. Also described are air cleaners including the filter cartridges. Methods of assembly and use are also provided. Also, systems of use are described.
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: September 24, 2019
    Assignee: Donaldson Company, Inc.
    Inventors: Gregory Reichter, Wayne Bishop, Benny K. Nelson, Darrel Wegner, Bruce Crenshaw, Thomas Miller, Donald Mork, Kevin Schrage, Vladimir Kladnitsky, Richard Osendorf, Bradley Kuempel, Thomas Lundgren, Jordan Flagstad
  • AIR FILTER ARRANGEMENT; ASSEMBLY; AND, METHODS
    Publication number: 20190184323
    Abstract: Air filter cartridges are disclosed. Also described are air cleaners including the filter cartridges. Methods of assembly and use are also provided. Also, systems of use are described.
    Type: Application
    Filed: February 26, 2019
    Publication date: June 20, 2019
    Inventors: Gregory Reichter, Wayne Bishop, Benny K. Nelson, Darrel Wegner, Bruce Crenshaw, Thomas Miller, Donald Mork, Kevin Schrage, Vladimir Kladnitsky, Richard Osendorf, Bradley Kuempel, Thomas Lundgren, Jordan Flagstad
  • Air filter arrangement; assembly; and, methods
    Patent number: 10315144
    Abstract: Air filter cartridges are disclosed. Also described are air cleaners including the filter cartridges. Methods of assembly and use are also provided. Also, systems of use are described.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: June 11, 2019
    Assignee: Donaldson Company, Inc.
    Inventors: Gregory Reichter, Wayne Bishop, Benny K. Nelson, Darrel Wegner, Bruce Crenshaw, Thomas Miller, Donald Mork, Kevin Schrage, Vladimir Kladnitsky, Richard Osendorf, Bradley Kuempel, Thomas Lundgren, Jordan Flagstad
  • AIR FILTER ARRANGEMENT; ASSEMBLY; AND, METHODS
    Publication number: 20180369736
    Abstract: An air cleaner arrangement is shown. The air cleaner arrangement includes a serviceable filter cartridge. A preferred filter cartridge positionable within an air cleaner arrangement, is depicted.
    Type: Application
    Filed: August 31, 2018
    Publication date: December 27, 2018
    Inventors: Gregory L. Reichter, Wayne R.W. Bishop, Benny K. Nelson, Darrel Wegner, Bruce Crenshaw, Vladimir Kladnitsky, Donald Raymond Mork, Kevin Schrage, Richard J. Osendorf, Bradley A. Kuempel, Thomas J. Lundgren, Jordan S. Flagstad
  • Air filter arrangement; assembly; and, methods
    Patent number: 10065145
    Abstract: An air cleaner arrangement is shown. The air cleaner arrangement includes a serviceable filter cartridge. A preferred filter cartridge positionable within an air cleaner arrangement, is depicted.
    Type: Grant
    Filed: November 9, 2015
    Date of Patent: September 4, 2018
    Assignee: Donaldson Company, Inc.
    Inventors: Gregory Reichter, Wayne Bishop, Benny K. Nelson, Darrel Wegner, Bruce Crenshaw, Vladimir Kladnitsky, Donald Mork, Kevin Schrage, Richard Osendorf, Bradley Kuempel, Thomas Lundgren, Jordan Flagstad
  • AIR FILTER ARRANGEMENT; ASSEMBLY; AND, METHODS
    Publication number: 20180099242
    Abstract: An air filter arrangement is disclosed. The air filter arrangement includes media comprising corrugated media secured to facing media and defining a media pack having opposite flow faces. Media pack arrangements including such media are described. Also described are filter cartridges including such media packs and air cleaners including the filter cartridges. Advantageous housing seal arrangements having a pinch seal member and forming a trough are described. Methods of assembly and use are also provided. Also, systems of use are described.
    Type: Application
    Filed: October 20, 2017
    Publication date: April 12, 2018
    Inventors: Gregory Reichter, Wayne Bishop, Benny K. Nelson, Darrel Wegner, Bruce Crenshaw, Vladimir Kladnitsky, Thomas Miller, Donald Mork, Kevin Schrage, Richard Osendorf, Bradley Kuempel, Thomas Lundgren
  • Z-filter media pack arrangement; and, methods
    Patent number: RE48050
    Abstract: Z-filter media pack arrangements and methods for providing them are described. The preferred arrangements have a cured-in-place jacket around an outside of a coiled z-filter media combination. The preferred cured-in-place jacket is a mold-in-place overmold which includes, integral therein, a housing seal arrangement. Preferably a cured-in-place center core is used, most preferably one that has opposite concave ends with seal arrangements configured to seal a lead end portion of the coiled z-filter media combination.
    Type: Grant
    Filed: February 5, 2018
    Date of Patent: June 16, 2020
    Assignee: Donaldson Company, Inc.
    Inventors: Kevin Schrage, Eugene Lensing, Jeff Rahlf, Wayne Bishop, Gregory Reichter, Benny Nelson, Rodger Spears, Bruce Crenshaw, Vladimir Kladnitsky