Patents by Inventor Douglas Iddings

Douglas Iddings 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 cleaner; replaceable filter cartridges; and, methods
    Patent number: 11478741
    Abstract: The disclosure concerns air cleaners. Preferred air cleaners are shown which include a housing and a removable and replacement primary filter cartridge. Optional and advantageous features are shown. The preferred primary filter cartridge is conical in shape. A preferred optional safety or secondary filter cartridge is shown. Preferred methods of assembly and use are provided.
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: October 25, 2022
    Assignee: Donaldson Company, Inc.
    Inventors: James R. Scott, Carolyn Finnerty, Steven Gieseke, Douglas Iddings, William Juliar, Gregory LaVallee
  • Air Cleaner; Replaceable Filter Cartridges; and, Methods
    Publication number: 20200346156
    Abstract: The disclosure concerns air cleaners. Preferred air cleaners are shown which include a housing and a removable and replacement primary filter cartridge. Optional and advantageous features are shown. The preferred primary filter cartridge is conical in shape. A preferred optional safety or secondary filter cartridge is shown. Preferred methods of assembly and use are provided.
    Type: Application
    Filed: July 17, 2020
    Publication date: November 5, 2020
    Inventors: James R. Scott, Carolyn Finnerty, Steven Gieseke, Douglas Iddings, William Juliar, Gregory LaVallee
  • Air cleaner; replaceable filter cartridges; and, methods
    Patent number: 10717034
    Abstract: The disclosure concerns air cleaners. Preferred air cleaners are shown which include a housing and a removable and replacement primary filter cartridge. Optional and advantageous features are shown. The preferred primary filter cartridge is conical in shape. A preferred optional safety or secondary filter cartridge is shown. Preferred methods of assembly and use are provided.
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: July 21, 2020
    Assignee: Donaldson Company, Inc.
    Inventors: James R. Scott, Carolyn Finnerty, Steven Gieseke, Douglas Iddings, William Juliar, Gregory LaVallee
  • Air cleaner; replaceable filter cartridges; and, methods
    Patent number: 10307704
    Abstract: The disclosure concerns air cleaners. Preferred air cleaners are shown which include a housing and a removable and replacement primary filter cartridge. Optional and advantageous features are shown. The preferred primary filter cartridge is conical in shape. A preferred optional safety or secondary filter cartridge is shown. Preferred methods of assembly and use are provided.
    Type: Grant
    Filed: May 20, 2015
    Date of Patent: June 4, 2019
    Assignee: Donaldson Company, Inc.
    Inventors: James R. Scott, Steven Gieseke, Douglas Iddings
  • Air cleaner arrangements; components; and methods
    Patent number: 10245544
    Abstract: An air cleaner assembly and components therefor are described. The components include features of an air cleaner housing; advantageous main filter cartridges; and, advantageous safety filter cartridge features. Features of the main filter cartridge are provided to engage an access cover of the assembly, and a cartridge support within the housing, in a preferred manner. Methods of assembly and use are also described.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: April 2, 2019
    Assignee: Donaldson Company, Inc.
    Inventors: Douglas Iddings, Daniel Adamek, Thomas Miller, Johan DeWit, Michel Baseotto, Roberto Merckx, Julien Dils, Paul Coulonvaux
  • Air Cleaner; Replaceable Filter Cartridges; and, Methods
    Publication number: 20190015770
    Abstract: The disclosure concerns air cleaners. Preferred air cleaners are shown which include a housing and a removable and replacement primary filter cartridge. Optional and advantageous features are shown. The preferred primary filter cartridge is conical in shape. A preferred optional safety or secondary filter cartridge is shown. Preferred methods of assembly and use are provided.
    Type: Application
    Filed: July 23, 2018
    Publication date: January 17, 2019
    Inventors: James R. Scott, Carolyn Finnerty, Steven Gieseke, Douglas Iddings, William Juliar, Gregory LaVallee
  • Air cleaner; replaceable filter cartridges; and, methods
    Patent number: 10029199
    Abstract: The disclosure concerns air cleaners. Preferred air cleaners are shown which include a housing and a removable and replacement primary filter cartridge. Optional and advantageous features are shown. The preferred primary filter cartridge is conical in shape. A preferred optional safety or secondary filter cartridge is shown. Preferred methods of assembly and use are provided.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: July 24, 2018
    Assignee: Donaldson Company, Inc.
    Inventors: James R. Scott, Carolyn Finnerty, Steven Gieseke, Douglas Iddings, William Juliar, Gregory LaVallee
  • AIR CLEANER ARRANGEMENTS; COMPONENTS; AND METHODS
    Publication number: 20160279557
    Abstract: An air cleaner assembly and components therefor are described. The components include features of an air cleaner housing; advantageous main filter cartridges; and, advantageous safety filter cartridge features. Features of the main filter cartridge are provided to engage an access cover of the assembly, and a cartridge support within the housing, in a preferred manner. Methods of assembly and use are also described.
    Type: Application
    Filed: December 22, 2015
    Publication date: September 29, 2016
    Inventors: Douglas Iddings, Daniel Adamek, Thomas Miller, Johan DeWitt
  • Air Cleaner; Replaceable Filter Cartridges; and, Methods
    Publication number: 20160271546
    Abstract: The disclosure concerns air cleaners. Preferred air cleaners are shown which include a housing and a removable and replacement primary filter cartridge. Optional and advantageous features are shown. The preferred primary filter cartridge is conical in shape. A preferred optional safety or secondary filter cartridge is shown. Preferred methods of assembly and use are provided.
    Type: Application
    Filed: May 27, 2016
    Publication date: September 22, 2016
    Inventors: JAMES R. SCOTT, CAROLYN FINNERTY, STEVEN GIESEKE, DOUGLAS IDDINGS, WILLIAM JULIAR, GREGORY LAVALLEE
  • Air cleaner; replaceable filter cartridges; and, methods
    Patent number: 9353657
    Abstract: The disclosure concern air cleaners. Preferred air cleaners are shown which include a housing and a removable and replacement primary filter cartridge. Optional and advantageous features are shown. An optional mechanical interlock, operated with a non-threaded, movement of the cartridge, is provided between the primary filter cartridge and the housing. The preferred primary filter cartridge is conical in shape. A preferred optional safety or secondary filter cartridge is shown. Preferred methods of assembly and use are provided.
    Type: Grant
    Filed: October 6, 2014
    Date of Patent: May 31, 2016
    Assignee: Donaldson Company, Inc.
    Inventors: James Scott, Carolyn Finnerty, Steven Gieseke, Douglas Iddings, William Juliar, Gregory LaVallee
  • Air cleaner arrangements; components; and, methods
    Patent number: 9221004
    Abstract: An air cleaner assembly and components therefor are described. The components include features of an air cleaner housing; advantageous main filter cartridges; and, advantageous safety filter cartridge features. Features of the main filter cartridge are provided to engage an access cover of the assembly, and a cartridge support within the housing, in a preferred manner. Methods of assembly and use are also described.
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: December 29, 2015
    Assignee: Donaldson Company, Inc.
    Inventors: Douglas Iddings, Daniel Adamek, Thomas Miller, Johan DeWit
  • air cleaner; replaceable filter cartridges; and, methods
    Publication number: 20150251123
    Abstract: The disclosure concerns air cleaners. Preferred air cleaners are shown which include a housing and a removable and replacement primary filter cartridge. Optional and advantageous features are shown. The preferred primary filter cartridge is conical in shape. A preferred optional safety or secondary filter cartridge is shown. Preferred methods of assembly and use are provided.
    Type: Application
    Filed: May 20, 2015
    Publication date: September 10, 2015
    Inventors: JAMES SCOTT, Steven Gieseke, Douglas Iddings
  • Air cleaner; replaceable filter cartridges; and, methods
    Patent number: 9039802
    Abstract: The disclosure concerns air cleaners. Preferred air cleaners are shown which include a housing and a removable and replacement primary filter cartridge. Optional and advantageous features are shown. The preferred primary filter cartridge is conical in shape. A preferred optional safety or secondary filter cartridge is shown. Preferred methods of assembly and use are provided.
    Type: Grant
    Filed: April 21, 2014
    Date of Patent: May 26, 2015
    Assignee: Donaldson Company, Inc.
    Inventors: James R. Scott, Steven Gieseke, Douglas Iddings
  • AIR CLEANER; REPLACEABLE FILTER CARTRIDGES; AND, METHODS
    Publication number: 20150068173
    Abstract: The disclosure concerns air cleaners. Preferred air cleaners are shown which include a housing and a removable and replacement primary filter cartridge. Optional and advantageous features are shown. The preferred primary filter cartridge is conical in shape. A preferred optional safety or secondary filter cartridge is shown. Preferred methods of assembly and use are provided.
    Type: Application
    Filed: April 21, 2014
    Publication date: March 12, 2015
    Applicant: DONALDSON COMPANY, INC.
    Inventors: James R. Scott, Steven Gieseke, Douglas Iddings
  • Air cleaner; replaceable filter cartridges; and, methods
    Publication number: 20150020487
    Abstract: The disclosure concern air cleaners. Preferred air cleaners are shown which include a housing and a removable and replacement primary filter cartridge. Optional and advantageous features are shown. An optional mechanical interlock, operated with a non-threaded, movement of the cartridge, is provided between the primary filter cartridge and the housing. The preferred primary filter cartridge is conical in shape. A preferred optional safety or secondary filter cartridge is shown. Preferred methods of assembly and use are provided.
    Type: Application
    Filed: October 6, 2014
    Publication date: January 22, 2015
    Inventors: JAMES SCOTT, Carolyn Finnerty, Steven Gieseke, Douglas Iddings, William Juliar, Gregory LaVallee
  • Air cleaner; replaceable filter cartridges; and, methods
    Patent number: 8852309
    Abstract: The disclosure concern air cleaners. Preferred air cleaners are shown which include a housing and a removable and replacement primary filter cartridge. Optional and advantageous features are shown. An optional mechanical interlock, operated with a non-threaded, movement of the cartridge, is provided between the primary filter cartridge and the housing. The preferred primary filter cartridge is conical in shape. A preferred optional safety or secondary filter cartridge is shown. Preferred methods of assembly and use are provided.
    Type: Grant
    Filed: June 10, 2013
    Date of Patent: October 7, 2014
    Assignee: Donaldson Company, Inc.
    Inventors: James Scott, Carolyn Finnerty, Steven Gieseke, Douglas Iddings, William Juliar, Gregory LaVallee
  • Air cleaner; replaceable filter cartridges; and, methods
    Patent number: 8702831
    Abstract: The disclosure concern air cleaners. Preferred air cleaners are shown which include a housing and a removable and replacement primary filter cartridge. Optional and advantageous features are shown. The preferred primary filter cartridge is conical in shape. A preferred optional safety or secondary filter cartridge is shown. Preferred methods of assembly and use are provided.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: April 22, 2014
    Assignee: Donaldson Company, Inc.
    Inventors: James Scott, Steven Gieseke, Douglas Iddings
  • AIR CLEANER ARRANGEMENTS; COMPONENTS; AND, METHODS
    Publication number: 20140096495
    Abstract: An air cleaner assembly and components therefor are described. The components include features of an air cleaner housing; advantageous main filter cartridges; and, advantageous safety filter cartridge features. Features of the main filter cartridge are provided to engage an access cover of the assembly, and a cartridge support within the housing, in a preferred manner. Methods of assembly and use are also described.
    Type: Application
    Filed: September 30, 2013
    Publication date: April 10, 2014
    Applicant: Donaldson Company, Inc.
    Inventors: Douglas Iddings, Daniel Adamek, Thomas Miller, Johan DeWitt
  • AIR CLEANER; REPLACEABLE FILTER CARTRIDGES; AND, METHODS
    Publication number: 20130269302
    Abstract: The disclosure concern air cleaners. Preferred air cleaners are shown which include a housing and a removable and replacement primary filter cartridge. Optional and advantageous features are shown. An optional mechanical interlock, operated with a non-threaded, movement of the cartridge, is provided between the primary filter cartridge and the housing. The preferred primary filter cartridge is conical in shape. A preferred optional safety or secondary filter cartridge is shown. Preferred methods of assembly and use are provided.
    Type: Application
    Filed: June 10, 2013
    Publication date: October 17, 2013
    Inventors: James Scott, Carolyn Finnerty, Steven Gieseke, Douglas Iddings, William Juliar, Gregory LaVallee
  • Air cleaner; replaceable filter cartridges; and, methods
    Patent number: 8460425
    Abstract: The disclosure concern air cleaners. Preferred air cleaners are shown which include a housing and a removable and replacement primary filter cartridge. Optional and advantageous features are shown. An optional mechanical interlock, operated with a non-threaded, movement of the cartridge, is provided between the primary filter cartridge and the housing. The preferred primary filter cartridge is conical in shape. A preferred optional safety or secondary filter cartridge is shown. Preferred methods of assembly and use are provided.
    Type: Grant
    Filed: August 1, 2011
    Date of Patent: June 11, 2013
    Assignee: Donaldson Company, Pnc.
    Inventors: James Scott, Carolyn Finnerty, Steven Gieseke, Douglas Iddings, William Juliar, Gregory LaVallee