Patents by Inventor Douglas Lee Iddings

Douglas Lee 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).

  • Patent number: 8545588
    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: October 17, 2011
    Date of Patent: October 1, 2013
    Assignee: Donaldson Company, Inc.
    Inventors: Douglas Lee Iddings, Daniel Adamek, Thomas G. Miller, James R. Scott, Johan DeWitt
  • Patent number: 8414675
    Abstract: According to the present disclosure an air cleaner and air filter cartridge arrangement is provided. The air filter cartridge is a removable and replaceable cartridge for use in the air cleaner. The cartridge includes, among other things, an end cap having a preferred outwardly directed radial seal and a groove. The air cleaner includes a housing with a ring projecting into an interior, positioned to project against an end of the filter cartridge, when the filter cartridge is mounted for use. Methods of assembly and installation are described.
    Type: Grant
    Filed: April 2, 2008
    Date of Patent: April 9, 2013
    Assignee: Donaldson Company, Inc.
    Inventors: Douglas Lee Iddings, Jian Xu, Lloyd E. Weisert, James R. Scott
  • Publication number: 20120272633
    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: Application
    Filed: July 9, 2012
    Publication date: November 1, 2012
    Applicant: Donaldson Company, Inc.
    Inventors: James R. Scott, Steven S. Gieseke, Douglas Lee Iddings
  • Patent number: 8216335
    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: August 24, 2005
    Date of Patent: July 10, 2012
    Assignee: Donaldson Company, Inc.
    Inventors: James R. Scott, Steven S. Gieseke, Douglas Lee Iddings
  • Publication number: 20120031060
    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: October 17, 2011
    Publication date: February 9, 2012
    Applicant: DONALDSNO COMPANY, INC.
    Inventors: DOUGLAS LEE IDDINGS, Daniel Adamek, Thomas G. Miller, James R. Scott, Johan DeWitt
  • Publication number: 20110283669
    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: August 1, 2011
    Publication date: November 24, 2011
    Applicant: Donaldson Company, Inc.
    Inventors: James R. Scott, Carolyn J. Finnerty, Steven Scott Gieseke, Douglas Lee Iddings, William M. Juliar, Gregory LaVallee
  • Patent number: 8038756
    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: July 17, 2008
    Date of Patent: October 18, 2011
    Assignee: Donaldson Company, Inc.
    Inventors: Douglas Lee Iddings, Daniel Adamek, Thomas G. Miller, James R. Scott, Johan DeWitt
  • Patent number: 7988757
    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: January 15, 2010
    Date of Patent: August 2, 2011
    Assignee: Donaldson Company, Inc.
    Inventors: James R. Scott, Carolyn J. Finnerty, Steven Scott Gieseke, Douglas Lee Iddings, William M. Juliar, Gregory LaVallee
  • Patent number: 7981186
    Abstract: According to the present disclosure an air cleaner and air filter cartridge arrangement is provided. The air filter cartridge is a removable and replaceable cartridge for use in the air cleaner. The cartridge includes, among other things, an end cap having a preferred outwardly directed radial seal and a groove. The air cleaner includes a housing with a stabilizing ring projecting into an interior, positioned to project at least partially into the groove of the filter cartridge, when the filter cartridge is mounted for use. Methods of assembly and installation are described.
    Type: Grant
    Filed: April 6, 2009
    Date of Patent: July 19, 2011
    Assignee: Donaldson Company Inc.
    Inventors: Kevin Schrage, Douglas Lee Iddings, James R. Scott
  • Publication number: 20100146920
    Abstract: According to the present disclosure an air cleaner and air filter cartridge arrangement is provided. The air filter cartridge is a removable and replaceable cartridge for use in the air cleaner. The cartridge includes, among other things, an end cap having a preferred outwardly directed radial seal and a groove. The air cleaner includes a housing with a ring projecting into an interior, positioned to project against an end of the filter cartridge, when the filter cartridge is mounted for use. Methods of assembly and installation are described.
    Type: Application
    Filed: April 2, 2008
    Publication date: June 17, 2010
    Applicant: Donaldson Company, Inc
    Inventors: Douglas Lee Iddings, Jian Xu, Lloyd E. Weisert, James R. Scott
  • Publication number: 20100126131
    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: January 15, 2010
    Publication date: May 27, 2010
    Applicant: Donaldson Company, Inc.
    Inventors: James R. Scott, Carolyn J. Finnerty, Steven Scott Gieseke, Douglas Lee Iddings, William M. Juliar, Gregory LaVallee
  • Patent number: 7662203
    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 6, 2006
    Date of Patent: February 16, 2010
    Assignee: Donaldson Company, Inc.
    Inventors: James R. Scott, Carolyn J. Finnerty, Steven Scott Gieseke, Douglas Lee Iddings, William M. Juliar, Gregory LaVallee
  • Publication number: 20090249756
    Abstract: According to the present disclosure an air cleaner and air filter cartridge arrangement is provided. The air filter cartridge is a removable and replaceable cartridge for use in the air cleaner. The cartridge includes, among other things, an end cap having a preferred outwardly directed radial seal and a groove. The air cleaner includes a housing with a stabilizing ring projecting into an interior, positioned to project at least partially into the groove of the filter cartridge, when the filter cartridge is mounted for use. Methods of assembly and installation are described.
    Type: Application
    Filed: April 6, 2009
    Publication date: October 8, 2009
    Applicant: Donaldson Company, Inc.
    Inventors: Kevin Schrage, Douglas Lee Iddings, James R. Scott
  • Patent number: 7537631
    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: August 24, 2005
    Date of Patent: May 26, 2009
    Assignee: Donaldson Company, Inc.
    Inventors: James R. Scott, Carolyn J. Finnerty, Steven Scott Gieseke, Douglas Lee Iddings, William M. Juliar, Gregory LaVallee, Kevin Schrage
  • Patent number: 7524349
    Abstract: According to the present disclosure an air cleaner and air filter cartridge arrangement is provided. The air filter cartridge is a removable and replaceable cartridge for use in the air cleaner. The cartridge includes, among other things, an end cap having a preferred outwardly directed radial seal and a groove. The air cleaner includes a housing with a stabilizing ring projecting into an interior, positioned to project at least partially into the groove of the filter cartridge, when the filter cartridge is mounted for use. Methods of assembly and installation are described.
    Type: Grant
    Filed: May 2, 2006
    Date of Patent: April 28, 2009
    Assignee: Donaldson Company, Inc.
    Inventors: Kevin Schrage, Douglas Lee Iddings, James R. Scott
  • Publication number: 20090100813
    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: July 17, 2008
    Publication date: April 23, 2009
    Applicant: Donaldson Company, Inc
    Inventors: Douglas Lee Iddings, Daniel Adamek, Thomas G. Miller, James R. Scott, Johan DeWitt
  • Publication number: 20080190082
    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: Application
    Filed: August 24, 2005
    Publication date: August 14, 2008
    Applicant: DONALDSON COMPANY, INC.
    Inventors: James R. Scott, Steven S. Gieseke, Douglas Lee Iddings
  • Patent number: 7070642
    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 23, 2003
    Date of Patent: July 4, 2006
    Assignee: Donaldson Company, Inc.
    Inventors: James R. Scott, Carolyn J. Finnerty, Steven Scott Gieseke, Douglas Lee Iddings, William M. Juliar, Gregory LaVallee
  • Publication number: 20040134171
    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 23, 2003
    Publication date: July 15, 2004
    Inventors: James R. Scott, Carolyn J. Finnerty, Steven Scott Gieseke, Douglas Lee Iddings, William M. Juliar, Gregory LaVallee
  • Patent number: D513314
    Type: Grant
    Filed: September 4, 2003
    Date of Patent: December 27, 2005
    Assignee: Donaldson Company, Inc.
    Inventors: Douglas Lee Iddings, James R. Scott, William Michael Juliar, Steven Scott Gieseke