Patents by Inventor Douglas C. Winfield

Douglas C. Winfield 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: 8371961
    Abstract: A golf ball having a plurality of dimples formed on its outer surface, the outer surface of the golf ball being divided into plural areas comprising at least first areas containing a plurality of first dimples and second areas containing a plurality of second dimples, the areas together forming a spherical polyhedron shape, the first dimples comprising truncated spherical dimples having a first, truncated chord depth and the second dimples comprising spherical dimples having a second, spherical chord depth, the first dimples are of larger radius than the second dimples and have a truncated chord depth which is less than the spherical chord depth of the first dimples, and the total surface area of all first areas being less than the total surface area of all second areas.
    Type: Grant
    Filed: April 22, 2010
    Date of Patent: February 12, 2013
    Assignee: Aero-X Golf Inc.
    Inventors: David L. Felker, Douglas C. Winfield, Rocky Lee
  • Patent number: 8366569
    Abstract: A golf ball having a plurality of dimples formed on its outer surface, the outer surface of the golf ball being divided into plural areas comprising at least two groups of areas, a first group of areas containing a plurality of first dimples and a second group of areas containing a plurality of second dimples, the first and second groups of areas being of the same shape and being arranged to form a Platonic solid, the first and second groups of areas and dimple shapes and dimensions being configured such that the golf ball is spherically symmetrical as defined by the United States Golf Association (USGA) Symmetry Rules and such that the first and second groups of areas produce different aerodynamic effects, and the first dimples being of different dimensions from the second dimples.
    Type: Grant
    Filed: April 22, 2010
    Date of Patent: February 5, 2013
    Assignee: Aero-X Golf Inc.
    Inventors: David L. Felker, Douglas C. Winfield, Rocky Lee
  • Patent number: 8323124
    Abstract: A golf ball having a plurality of dimples formed on its outer surface, the outer surface of the golf ball being divided into plural areas comprising at least two groups of areas, a first group of areas containing a plurality of first dimples and a second group of areas containing a plurality of second dimples, the areas in the first group being triangular and the areas in the second group being square, the first and second groups of areas being arranged to form a cuboctahedron shape, the first and second groups of areas and dimple shapes and dimensions being configured such that the golf ball is spherically symmetrical as defined by the United States Golf Association (USGA) Symmetry Rules and such that the first and second groups of areas produce different aerodynamic effects, and the first dimples being of different dimensions from the second dimples.
    Type: Grant
    Filed: April 22, 2010
    Date of Patent: December 4, 2012
    Assignee: Aero-X Golf, Inc.
    Inventors: David L. Felker, Douglas C. Winfield, Rocky Lee
  • Publication number: 20120238378
    Abstract: A golf ball has a cover and a core which is made as a single piece or of two or more parts (for example an inner core covered by an outer core or mantle layer). The ball has non-spherical aspects in at least some parts and may also have different specific gravities in different parts of the ball. The different shaped ball parts combined with the different specific gravities of the materials for different ball parts results in a differential between the moments of inertia of the different spin axes. The golf ball is spherical, but the inner layers are not necessarily completely spherical or symmetrical layers or parts.
    Type: Application
    Filed: March 16, 2012
    Publication date: September 20, 2012
    Applicant: AERO-X GOLF, INC.
    Inventors: David L. Felker, Douglas C. Winfield
  • Patent number: 8267810
    Abstract: A golf ball having a plurality of dimples formed on its outer surface, the outer surface of the golf ball being divided into plural areas, a first group of areas containing a plurality of first dimples and a second group of areas containing a plurality of second dimples, each area of the second group abutting one or more areas of the first group, the first and second groups of areas and dimple shapes and dimensions being configured such that the golf ball is spherically symmetrical as defined by the United States Golf Association (USGA) Symmetry Rules, the plural areas configured such that the golf ball has a Drag Coefficient (CD) and a Lift Coefficient (CL) of less than about 0.330 and 0.270, respectively, at a Reynolds Number (Re) of about 80,000 and a spin rate of between about 2,900 rpm and about 3,000 rpm and a CD and CL of less than about 0.260 and 0.
    Type: Grant
    Filed: April 14, 2010
    Date of Patent: September 18, 2012
    Assignee: Aero-X Golf, Inc.
    Inventors: David L. Felker, Douglas C. Winfield, Rocky Lee
  • Patent number: 8262513
    Abstract: A golf ball having a plurality of dimples formed on its outer surface, the outer surface of the golf ball being divided into plural areas comprising at least first areas containing a plurality of first dimples and second areas containing a plurality of second dimples, the areas together forming a spherical polyhedron shape, wherein the first dimples are spherical dimples and the second dimples are truncated spherical dimples, the first dimples having a first radius and a first, spherical chord depth, and the second dimples having a second radius larger than the first radius and having a second, truncated chord depth less than half the spherical chord depth of the first dimples.
    Type: Grant
    Filed: April 22, 2010
    Date of Patent: September 11, 2012
    Assignee: Aero-X Golf, Inc.
    Inventors: David L. Felker, Douglas C. Winfield, Rocky Lee
  • Patent number: 8251840
    Abstract: A golf ball formed from a single piece of material, the ball having an outer surface and a plurality of dimples formed on the outer surface, the outer surface being divided into plural areas, a first group of areas containing a plurality of first dimples and a second group of areas containing a plurality of second dimples, each area of the second group abutting one or more areas of the first group, the first and second groups of areas and dimple shapes and dimensions being configured such that the golf ball is spherically symmetrical as defined by the United States Golf Association (USGA) Symmetry Rules and such that the first and second groups of areas produce different aerodynamic effects, the first dimples being of different dimensions from the second dimples.
    Type: Grant
    Filed: April 22, 2010
    Date of Patent: August 28, 2012
    Assignee: Aero-X Golf, Inc.
    Inventors: David L. Felker, Douglas C. Winfield, Rocky Lee
  • Patent number: 8246490
    Abstract: A golf ball having a plurality of dimples formed on its outer surface, the outer surface of the golf ball being divided into plural areas, a first group of areas containing a plurality of first dimples and a second group of areas containing a plurality of second dimples, each area of the second group abutting one or more areas of the first group, the first and second groups of areas and dimple shapes and dimensions being configured such that the golf ball is spherically symmetrical as defined by the United States Golf Association (USGA) Symmetry Rules, and such that the golf ball exhibits a lift coefficient (CL) of less than about 0.250 over a range of Reynolds Number (Re) from about 120,000 to about 180,000 and at a spin rate of about 3,500 rpm.
    Type: Grant
    Filed: April 14, 2010
    Date of Patent: August 21, 2012
    Assignee: Aero-X Golf, Inc.
    Inventors: David L. Felker, Douglas C. Winfield, Rocky Lee
  • Patent number: 8226502
    Abstract: A golf ball having a plurality of dimples formed on its outer surface, the outer surface of the golf ball being divided into plural areas, a first group of areas containing a plurality of first dimples and a second group of areas containing a plurality of second dimples, each area of the second group abutting one or more areas of the first group, the first and second groups of areas and dimple shapes and dimensions being configured such that the golf ball is spherically symmetrical as defined by the United States Golf Association (USGA) Symmetry Rules, and such that the golf ball exhibits a lift coefficient (CL) of less than about 0.195 over a range of Reynolds Number (Re) from about 135,000 to about 180,000 and at a spin rate of about 3,000 rpm.
    Type: Grant
    Filed: April 14, 2010
    Date of Patent: July 24, 2012
    Assignee: Aero-X Golf, Inc.
    Inventors: David L. Felker, Douglas C. Winfield, Rocky Lee
  • Patent number: 8202178
    Abstract: A golf ball having a plurality of dimples formed on its outer surface, the outer surface of the golf ball being divided into plural areas with dimples configured such that the golf ball is spherically symmetrical as defined by the United States Golf Association (USGA) Symmetry Rules, and such that the golf ball exhibits a lift coefficient (CL) of less than about 0.255 over a range of Reynolds Number (Re) from about 120,000 to about 180,000 and at a spin rate of about 4,000 rpm.
    Type: Grant
    Filed: April 14, 2010
    Date of Patent: June 19, 2012
    Assignee: Aero-X Golf, Inc.
    Inventors: David L. Felker, Douglas C. Winfield, Rocky Lee
  • Patent number: 8202179
    Abstract: A golf ball having a plurality of dimples formed on its outer surface, the outer surface of the golf ball being divided into plural areas with dimples configured such that the golf ball is spherically symmetrical as defined by the United States Golf Association (USGA) Symmetry Rules, and such that the golf ball exhibits a lift coefficient (CL) of less than about 0.295 over a range of Reynolds Number (Re) from about 120,000 to about 180,000 and at a spin rate of about 5,000 rpm.
    Type: Grant
    Filed: April 14, 2010
    Date of Patent: June 19, 2012
    Assignee: Aero-X Golf, Inc.
    Inventors: David L. Felker, Douglas C. Winfield, Rocky Lee
  • Patent number: 8197361
    Abstract: A golf ball having a plurality of dimples formed on its outer surface, the outer surface of the golf ball being divided into plural areas, a first group of areas containing a plurality of first dimples and a second group of areas containing a plurality of second dimples, each area of the second group abutting one or more areas of the first group, the first and second groups of areas and dimple shapes and dimensions being configured such that the golf ball is spherically symmetrical as defined by the United States Golf Association (USGA) Symmetry Rules, and such that the golf ball exhibits a lift coefficient (CL) of less than about 0.270 at its peak trajectory and from a Reynolds Number (Re) from about 80,000 and a spin rate in the range of about 2,900 rpm to about 3,000 rpm to a Re of about 170,000 and a spin rate in the range of about 3,400 rpm to about 3,550 rpm.
    Type: Grant
    Filed: April 14, 2010
    Date of Patent: June 12, 2012
    Assignee: Aero-X Golf, Inc.
    Inventors: David L. Felker, Douglas C. Winfield, Rocky Lee
  • Patent number: 8192307
    Abstract: A golf ball having a plurality of dimples formed on its outer surface, the outer surface of the golf ball being divided into plural areas, a first group of areas containing a plurality of first dimples and a second group of areas containing a plurality of second dimples, each area of the second group abutting one or more areas of the first group, the first and second groups of areas and dimple shapes and dimensions being configured such that the golf ball is spherically symmetrical as defined by the United States Golf Association (USGA) Symmetry Rules, the plural areas configured such that the golf ball has a Drag Coefficient (CD) and a Lift Coefficient (CL) of less than about 0.330 and 0.270, respectively, at a Reynolds Number (Re) of about 80,000 and a spin rate of between about 2,900 rpm and about 3,000 rpm and a CD and CL of less than about 0.260 and 0.
    Type: Grant
    Filed: September 7, 2010
    Date of Patent: June 5, 2012
    Assignee: Aero-X Golf, Inc.
    Inventors: David L. Felker, Douglas C. Winfield, Rocky Lee
  • Patent number: 8192306
    Abstract: A golf ball having a plurality of dimples formed on its outer surface, the outer surface of the golf ball being divided into plural areas with dimples configured such that the golf ball is spherically symmetrical as defined by the United States Golf Association (USGA) Symmetry Rules, and such that the golf ball exhibits a lift coefficient (CL) of less than about 0.275 over a range of Reynolds Number (Re) from about 120,000 to about 180,000 and at a spin rate of about 4,500 rpm.
    Type: Grant
    Filed: April 14, 2010
    Date of Patent: June 5, 2012
    Assignee: Aero-X Golf, Inc.
    Inventors: David L. Felker, Douglas C. Winfield, Rocky Lee
  • Publication number: 20120108362
    Abstract: A non-conforming golf ball has a plurality of dimples formed on the outer surface of the ball in a predetermined dimple pattern, the outer surface comprising one or more first areas which include a plurality of first dimples which together have a first dimple volume and at least one second area having a dimple volume less that the first dimple volume, the first and second areas being configured to establish a preferred spin axis. The second area may be a band around the equator which has a lower dimple volume or no dimples, with the polar regions have a higher volume of dimples, creating a preferred spin axis through the poles.
    Type: Application
    Filed: April 28, 2011
    Publication date: May 3, 2012
    Applicant: AERO-X GOLF INC.
    Inventors: David L. Felker, Douglas C. Winfield
  • Publication number: 20110294605
    Abstract: A non-conforming golf ball has a plurality of dimples formed on the outer surface of the ball in a predetermined dimple pattern, the outer surface comprising one or more first areas which include a plurality of first dimples which together have a first dimple volume and at least one second area having a dimple volume less that the first dimple volume, the first and second areas being configured to establish a preferred spin axis. The second area may be a band around the equator which has a lower dimple volume or no dimples, with the polar regions have a higher volume of dimples, creating a preferred spin axis through the poles.
    Type: Application
    Filed: April 28, 2011
    Publication date: December 1, 2011
    Applicant: AERO-X GOLF INC.
    Inventors: David L. Felker, Douglas C. Winfield
  • Publication number: 20110294603
    Abstract: A non-conforming golf ball has a plurality of dimples formed on the outer surface of the ball in a predetermined dimple pattern, the outer surface comprising one or more first areas which include a plurality of first dimples which together have a first dimple volume and at least one second area having a dimple volume less that the first dimple volume, the first and second areas being configured to establish a preferred spin axis. The second area may be a band around the equator which has a lower dimple volume or no dimples, with the polar regions have a higher volume of dimples, creating a preferred spin axis through the poles.
    Type: Application
    Filed: April 28, 2011
    Publication date: December 1, 2011
    Applicant: AERO-X GOLF INC.
    Inventors: David L. Felker, Douglas C. Winfield
  • Publication number: 20110294602
    Abstract: A non-conforming golf ball has a plurality of dimples formed on the outer surface of the ball in a predetermined dimple pattern, the outer surface comprising one or more first areas which include a plurality of first dimples which together have a first dimple volume and at least one second area having a dimple volume less that the first dimple volume, the first and second areas being configured to establish a preferred spin axis. The second area may be a band around the equator which has a lower dimple volume or no dimples, with the polar regions have a higher volume of dimples, creating a preferred spin axis through the poles.
    Type: Application
    Filed: April 28, 2011
    Publication date: December 1, 2011
    Applicant: AERO-X GOLF INC.
    Inventors: David L. Felker, Douglas C. Winfield
  • Publication number: 20110293765
    Abstract: A non-conforming golf ball has a plurality of dimples formed on the outer surface of the ball in a predetermined dimple pattern, the outer surface comprising one or more first areas which include a plurality of first dimples which together have a first dimple volume and at least one second area having a dimple volume less that the first dimple volume, the first and second areas being configured to establish a preferred spin axis. The second area may be a hand around the equator which has a lower dimple volume or no dimples, with the polar regions have a higher volume of dimples, creating a preferred spin axis through the poles.
    Type: Application
    Filed: April 28, 2011
    Publication date: December 1, 2011
    Applicant: Aero-X Golf Inc.
    Inventors: David L. Felker, Douglas C. Winfield
  • Publication number: 20110294604
    Abstract: A non-conforming golf ball has a plurality of dimples formed on the outer surface of the ball in a predetermined dimple pattern, the outer surface comprising one or more first areas which include a plurality of first dimples which together have a first dimple volume and at least one second area having a dimple volume less that the first dimple volume, the first and second areas being configured to establish a preferred spin axis. The second area may be a band around the equator which has a lower dimple volume or no dimples, with the polar regions have a higher volume of dimples, creating a preferred spin axis through the poles.
    Type: Application
    Filed: April 28, 2011
    Publication date: December 1, 2011
    Applicant: AERO-X GOLF INC.
    Inventors: David L. Felker, Douglas C. Winfield