Patents by Inventor John R. B. Hall

John R. B. Hall 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).

  • Fine fiber media layer
    Patent number: 10967315
    Abstract: Disclosed are improved polymer materials. Also disclosed are fine fiber materials that can be made from the improved polymeric materials in the form of microfiber and nanofiber structures. The microfiber and nanofiber structures can be used in a variety of useful applications including the formation of filter materials.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: April 6, 2021
    Assignee: Donaldson Company, Inc.
    Inventors: Hoo Young Chung, John R. B. Hall, Mark A. Gogins, Douglas G. Crofoot, Thomas M. Weik
  • FINE FIBER MEDIA LAYER
    Publication number: 20200122068
    Abstract: Disclosed are improved polymer materials. Also disclosed are fine fiber materials that can be made from the improved polymeric materials in the form of microfiber and nanofiber structures. The microfiber and nanofiber structures can be used in a variety of useful applications including the formation of filter materials.
    Type: Application
    Filed: April 29, 2019
    Publication date: April 23, 2020
    Inventors: Hoo Young Chung, John R.B. Hall, Mark A. Gogins, Douglas G. Crofoot, Thomas M. Weik
  • Fine fiber media layer
    Patent number: 10272374
    Abstract: Disclosed are improved polymer materials. Also disclosed are fine fiber materials that can be made from the improved polymeric materials in the form of microfiber and nanofiber structures. The microfiber and nanofiber structures can be used in a variety of useful applications including the formation of filter materials.
    Type: Grant
    Filed: June 23, 2017
    Date of Patent: April 30, 2019
    Assignee: Donaldson Company, Inc.
    Inventors: Hoo Young Chung, John R. B. Hall, Mark A. Gogins, Douglas G. Crofoot, Thomas M. Weik
  • FINE FIBER MEDIA LAYER
    Publication number: 20170319993
    Abstract: Disclosed are improved polymer materials. Also disclosed are fine fiber materials that can be made from the improved polymeric materials in the form of microfiber and nanofiber structures. The microfiber and nanofiber structures can be used in a variety of useful applications including the formation of filter materials.
    Type: Application
    Filed: June 23, 2017
    Publication date: November 9, 2017
    Inventors: Hoo Young Chung, John R.B. Hall, Mark A. Gogins, Douglas G. Crofoot, Thomas M. Weik
  • Fine fiber media layer
    Patent number: 9718012
    Abstract: Disclosed are improved polymer materials. Also disclosed are fine fiber materials that can be made from the improved polymeric materials in the form of microfiber and nanofiber structures. The microfiber and nanofiber structures can be used in a variety of useful applications including the formation of filter materials.
    Type: Grant
    Filed: January 24, 2014
    Date of Patent: August 1, 2017
    Assignee: Donaldson Company, Inc.
    Inventors: Hoo Young Chung, John R. B. Hall, Mark A. Gogins, Douglas G. Crofoot, Thomas M. Weik
  • FINE FIBER MEDIA LAYER
    Publication number: 20140196420
    Abstract: Disclosed are improved polymer materials. Also disclosed are fine fiber materials that can be made from the improved polymeric materials in the form of microfiber and nanofiber structures. The microfiber and nanofiber structures can be used in a variety of useful applications including the formation of filter materials.
    Type: Application
    Filed: January 24, 2014
    Publication date: July 17, 2014
    Applicant: Donaldson Company, Inc.
    Inventors: Hoo Young Chung, John R.B. Hall, Mark A. Gogins, Douglas G. Crofoot, Thomas M. Weik
  • Fine fiber media layer
    Patent number: 8709118
    Abstract: Disclosed are improved polymer materials. Also disclosed are fine fiber materials that can be made from the improved polymeric materials in the form of microfiber and nanofiber structures. The microfiber and nanofiber structures can be used in a variety of useful applications including the formation of filter materials.
    Type: Grant
    Filed: January 10, 2013
    Date of Patent: April 29, 2014
    Assignee: Donaldson Company, Inc.
    Inventors: Hoo Y. Chung, John R. B. Hall, Mark A. Gogins, Douglas G. Crofoot, Thomas M. Weik
  • Fine fiber media layer
    Patent number: 8512431
    Abstract: Disclosed are improved polymer materials. Also disclosed are fine fiber materials that can be made from the improved polymeric materials in the form of microfiber and nanofiber structures. The microfiber and nanofiber structures can be used in a variety of useful applications including the formation of filter materials.
    Type: Grant
    Filed: September 12, 2012
    Date of Patent: August 20, 2013
    Assignee: Donaldson Company, Inc.
    Inventors: Hoo Y. Chung, John R. B. Hall, Mark A. Gogins, Douglas G. Crofoot, Thomas M. Weik
  • Fine fiber media layer
    Patent number: 8366797
    Abstract: Disclosed are improved polymer materials. Also disclosed are fine fiber materials that can be made from the improved polymeric materials in the form of microfiber and nanofiber structures. The microfiber and nanofiber structures can be used in a variety of useful applications including the formation of filter materials.
    Type: Grant
    Filed: August 17, 2011
    Date of Patent: February 5, 2013
    Assignee: Donaldson Company, Inc.
    Inventors: Hoo Y. Chung, John R. B. Hall, Mark A. Gogins, Douglas G. Crofoot, Thomas M. Weik
  • FINE FIBER MEDIA LAYER
    Publication number: 20130001154
    Abstract: Disclosed are improved polymer materials. Also disclosed are fine fiber materials that can be made from the improved polymeric materials in the form of microfiber and nanofiber structures. The microfiber and nanofiber structures can be used in a variety of useful applications including the formation of filter materials.
    Type: Application
    Filed: September 12, 2012
    Publication date: January 3, 2013
    Applicant: DONALDSON COMPANY, INC.
    Inventors: Hoo Y. Chung, John R.B. Hall, Mark A. Gogins, Douglas G. Crofoot, Thomas M. Weik
  • FINE FIBER MEDIA LAYER
    Publication number: 20120204527
    Abstract: Disclosed are improved polymer materials. Also disclosed are fine fiber materials that can be made from the improved polymeric materials in the form of microfiber and nanofiber structures. The microfiber and nanofiber structures can be used in a variety of useful applications including the formation of filter materials.
    Type: Application
    Filed: August 17, 2011
    Publication date: August 16, 2012
    Applicant: DONALDSON COMPANY, INC.
    Inventors: Hoo Y. Chung, John R.B. Hall, Mark A. Gogins, Douglas G. Crofoot, Thomas M. Weik
  • Fine fiber media layer
    Patent number: 8118901
    Abstract: Disclosed are improved polymer materials. Also disclosed are fine fiber materials that can be made from the improved polymeric materials in the form of microfiber and nanofiber structures. The microfiber and nanofiber structures can be used in a variety of useful applications including the formation of filter materials.
    Type: Grant
    Filed: October 30, 2009
    Date of Patent: February 21, 2012
    Assignee: Donaldson Company, Inc.
    Inventors: Hoo Y. Chung, John R. B. Hall, Mark A. Gogins, Douglas G. Crofoot, Thomas M. Weik
  • Fine fiber media layer
    Patent number: 8029588
    Abstract: Disclosed are improved polymer materials. Also disclosed are fine fiber materials that can be made from the improved polymeric materials in the form of microfiber and nanofiber structures. The microfiber and nanofiber structures can be used in a variety of useful applications including the formation of filter materials.
    Type: Grant
    Filed: December 1, 2010
    Date of Patent: October 4, 2011
    Assignee: Donaldson Company, Inc.
    Inventors: Hoo Y. Chung, John R. B. Hall, Mark A. Gogins, Douglas G. Crofoot, Thomas M. Weik
  • FINE FIBER MEDIA LAYER
    Publication number: 20110067369
    Abstract: Disclosed are improved polymer materials. Also disclosed are fine fiber materials that can be made from the improved polymeric materials in the form of microfiber and nanofiber structures. The microfiber and nanofiber structures can be used in a variety of useful applications including the formation of filter materials.
    Type: Application
    Filed: December 1, 2010
    Publication date: March 24, 2011
    Applicant: DONALDSON COMPANY, INC.
    Inventors: Hoo Y. Chung, John R.B. Hall, Mark A. Gogins, Douglas G. Crofoot, Thomas M. Weik
  • FINE FIBER MEDIA LAYER
    Publication number: 20100064645
    Abstract: Disclosed are improved polymer materials. Also disclosed are fine fiber materials that can be made from the improved polymeric materials in the form of microfiber and nanofiber structures. The microfiber and nanofiber structures can be used in a variety of useful applications including the formation of filter materials.
    Type: Application
    Filed: October 30, 2009
    Publication date: March 18, 2010
    Applicant: DONALDSON COMPANY, INC.
    Inventors: Hoo Y. Chung, John R.B. Hall, Mark A. Gogins, Douglas G. Crofoot, Thomas M. Weik
  • Polymer, polymer microfiber, polymer nanofiber and applications including filter structures
    Patent number: 7318853
    Abstract: Disclosed are improved polymer materials. Also disclosed are fine fiber materials that can be made from the improved polymeric materials in the form of microfiber and nanofiber structures. The microfiber and nanofiber structures can be used in a variety of useful applications including the formation of filter materials.
    Type: Grant
    Filed: November 2, 2006
    Date of Patent: January 15, 2008
    Assignee: Donaldson Company, Inc.
    Inventors: Hoo Y. Chung, John R. B. Hall, Mark A. Gogins, Douglas G. Crofoot, Thomas M. Weik
  • Bag house filter with fine fiber and spun bonded media
    Patent number: 7318852
    Abstract: Disclosed are improved polymer materials. Also disclosed are fine fiber materials that can be made from the improved polymeric materials in the form of microfiber and nanofiber structures. The microfiber and nanofiber structures can be used in a variety of useful applications including the formation of filter materials.
    Type: Grant
    Filed: April 6, 2006
    Date of Patent: January 15, 2008
    Assignee: Donaldson Company, Inc.
    Inventors: Hoo Y. Chung, John R. B. Hall, Mark A. Gogins, Douglas G. Crofoot, Thomas M. Weik
  • Air filter with fine fiber and spun bonded media
    Patent number: 7316723
    Abstract: Disclosed are improved polymer materials. Also disclosed are fine fiber materials that can be made from the improved polymeric materials in the form of microfiber and nanofiber structures. The microfiber and nanofiber structures can be used in a variety of useful applications including the formation of filter materials.
    Type: Grant
    Filed: April 6, 2006
    Date of Patent: January 8, 2008
    Assignee: Donaldson Company, Inc.
    Inventors: Hoo Y. Chung, John R. B. Hall, Mark A. Gogins, Douglas G. Crofoot, Thomas M. Weik
  • Polymer, polymer microfiber, polymer nanofiber and applications including filter structures
    Patent number: 7270693
    Abstract: Disclosed are improved polymer materials. Also disclosed are fine fiber materials that can be made from the improved polymeric materials in the form of microfiber and nanofiber structures. The microfiber and nanofiber structures can be used in a variety of useful applications including the formation of filter materials.
    Type: Grant
    Filed: January 16, 2006
    Date of Patent: September 18, 2007
    Assignee: Donaldson Company, Inc.
    Inventors: Hoo Y. Chung, John R.B. Hall, Mark A. Gogins, Douglas G. Crofoot, Thomas M. Weik
  • Polymer, polymer microfiber, polymer nanofiber and applications including filter structures
    Patent number: 7179317
    Abstract: Disclosed are improved polymer materials. Also disclosed are fine fiber materials that can be made from the improved polymeric materials in the form of microfiber and nanofiber structures. The microfiber and nanofiber structures can be used in a variety of useful applications including the formation of filter materials.
    Type: Grant
    Filed: July 19, 2004
    Date of Patent: February 20, 2007
    Assignee: Donaldson Company, Inc.
    Inventors: Hoo Y. Chung, John R. B. Hall, Mark A. Gogins, Douglas G. Crofoot, Thomas M. Weik