Patents by Inventor Michael R. Madson
Michael R. Madson 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).
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Publication number: 20210052947Abstract: The present invention provides a method for arranging dimples on a golf ball surface in which the dimples are arranged in a pattern derived from at least one irregular domain generated from a regular or non-regular polyhedron. The method includes choosing control points of a polyhedron, generating an irregular domain based on those control points, packing the irregular domain with dimples, and tessellating the irregular domain to cover the surface of the golf ball. The control points include the center of a polyhedral face, a vertex of the polyhedron, a midpoint or other point on an edge of the polyhedron and others. The method ensures that the symmetry of the underlying polyhedron is preserved while minimizing or eliminating great circles due to parting lines.Type: ApplicationFiled: October 27, 2020Publication date: February 25, 2021Applicant: Acushnet CompanyInventors: Michael R. Madson, Nicholas M. Nardacci
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Publication number: 20210038946Abstract: The present invention is directed to golf balls having improved aerodynamic performance due, at least in part, to the selection of the plan shapes of the dimples thereon. In particular, the present invention is directed to a golf ball that includes at least a portion of its dimples having a plan shape defined by a periodic cosine function mapped along a circular closed path. In addition, the present invention provides methods for designing dimples having a plan shape defined by a periodic cosine function mapped along a circular closed path.Type: ApplicationFiled: October 26, 2020Publication date: February 11, 2021Applicant: Acushnet CompanyInventors: Nicholas M. Nardacci, Michael R. Madson
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Patent number: 10912968Abstract: The present invention provides a method for arranging dimples on a golf ball surface in which the dimples are arranged in a pattern derived from at least one irregular domain generated from a regular or non-regular polyhedron. The method includes choosing control points of a polyhedron, generating an irregular domain based on those control points, packing the irregular domain with dimples, and tessellating the irregular domain to cover the surface of the golf ball. The control points include the center of a polyhedral face, a vertex of the polyhedron, a midpoint or other point on an edge of the polyhedron and others. The method ensures that the symmetry of the underlying polyhedron is preserved while minimizing or eliminating great circles due to parting lines.Type: GrantFiled: May 18, 2020Date of Patent: February 9, 2021Assignee: Acushnet CompanyInventors: Michael R. Madson, Nicholas M. Nardacci
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Publication number: 20210023420Abstract: The present invention is directed to a mold for forming the cover of a golf ball having a non-planar parting line on its spherical surface.Type: ApplicationFiled: September 29, 2020Publication date: January 28, 2021Applicant: Acushnet CompanyInventors: David P. Hunt, Michael R. Madson
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Patent number: 10894189Abstract: Golf balls including at least one modified dimple group are disclosed. The modified dimple group comprises one or more modified dimples forming an axially symmetric pattern about a Correction Area Centroid located on an axis of symmetry at a latitude greater than 0°, where 0° represents the hemispherical pole and 90° represents the equator. The modified dimples can be altered, for example, by changing dimple coverage, dimple diameter, dimple depth, dimple edge angle, dimple volume, dimple cross-sectional shape, and/or dimple plan shape. Optionally, the dimples have a catenary cross-sectional shape and the modified dimples are altered by changing the shape factor and/or chord depth. Such modifications preferably produce a golf ball that flies more consistently regardless of orientation when struck than a corresponding golf ball without such modifications.Type: GrantFiled: July 13, 2020Date of Patent: January 19, 2021Assignee: Acushnet CompanyInventors: Michael R. Madson, Nicholas M. Nardacci
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Patent number: 10894188Abstract: The present invention provides golf balls having a pattern of stellated polygon shaped dimples and grooves with pre-selected and coordinated color appearances on the outer surface of the ball to produce a unique and desirable overall golf ball color appearance.Type: GrantFiled: December 11, 2019Date of Patent: January 19, 2021Assignee: Acushnet CompanyInventors: Michael R. Madson, William E. Morgan
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Publication number: 20200398115Abstract: The present invention is a golf ball which comprises cat-witch dimples on the surface thereof. The cat-witch dimples have a cross-sectional shape defined by the superposition of a catenary curve function and a Witch of Agnesi curve function. The cat-witch dimples include a plurality of similarly shaped cat-witch dimples having at least two different dimple diameters.Type: ApplicationFiled: August 31, 2020Publication date: December 24, 2020Applicant: Acushnet CompanyInventors: Michael R. Madson, Nicholas M. Nardacci
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Publication number: 20200360767Abstract: The present invention provides a method for arranging dimples on a golf ball surface in which the dimples are arranged in a pattern derived from at least one irregular domain generated from a regular or non-regular polyhedron. The method includes choosing control points of a polyhedron, generating an irregular domain based on those control points, packing the irregular domain with dimples, and tessellating the irregular domain to cover the surface of the golf ball. The control points include the center of a polyhedral face, a vertex of the polyhedron, a midpoint or other point on an edge of the polyhedron and others. The method ensures that the symmetry of the underlying polyhedron is preserved while minimizing or eliminating great circles due to parting lines.Type: ApplicationFiled: August 4, 2020Publication date: November 19, 2020Applicant: Acushnet CompanyInventors: Michael R. Madson, Nicholas M. Nardacci
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Publication number: 20200353315Abstract: The present invention provides a method for arranging dimples on a golf ball surface in which the dimples are arranged in a pattern derived from at least one irregular domain generated from a regular or non-regular polyhedron. The method includes choosing control points of a polyhedron, generating an irregular domain based on those control points, packing the irregular domain with dimples, and tessellating the irregular domain to cover the surface of the golf ball. The control points include the center of a polyhedral face, a vertex of the polyhedron, a midpoint or other point on an edge of the polyhedron and others. The method ensures that the symmetry of the underlying polyhedron is preserved while minimizing or eliminating great circles due to parting lines.Type: ApplicationFiled: July 28, 2020Publication date: November 12, 2020Applicant: Acushnet CompanyInventors: Michael R. Madson, Nicholas M. Nardacci
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Publication number: 20200338395Abstract: Golf balls including at least one modified dimple group are disclosed. The modified dimple group comprises one or more modified dimples forming an axially symmetric pattern about a Correction Area Centroid located on an axis of symmetry at a latitude greater than 0°, where 0° represents the hemispherical pole and 90° represents the equator. The modified dimples can be altered, for example, by changing dimple coverage, dimple diameter, dimple depth, dimple edge angle, dimple volume, dimple cross-sectional shape, and/or dimple plan shape. Optionally, the dimples have a catenary cross-sectional shape and the modified dimples are altered by changing the shape factor and/or chord depth. Such modifications preferably produce a golf ball that flies more consistently regardless of orientation when struck than a corresponding golf ball without such modifications.Type: ApplicationFiled: July 13, 2020Publication date: October 29, 2020Applicant: Acushnet CompanyInventors: Michael R. Madson, Nicholas M. Nardacci
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Patent number: 10814174Abstract: The present invention provides a method for arranging dimples on a golf ball surface in which the dimples are arranged in a pattern derived from at least one irregular domain generated from a regular or non-regular polyhedron. The method includes choosing control points of a polyhedron, generating an irregular domain based on those control points, packing the irregular domain with dimples, and tessellating the irregular domain to cover the surface of the golf ball. The control points include the center of a polyhedral face, a vertex of the polyhedron, a midpoint or other point on an edge of the polyhedron and others. The method ensures that the symmetry of the underlying polyhedron is preserved while minimizing or eliminating great circles due to parting lines.Type: GrantFiled: February 9, 2020Date of Patent: October 27, 2020Assignee: Acushnet CompanyInventors: Michael R. Madson, Nicholas M. Nardacci
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Patent number: 10814179Abstract: A golf ball dimple pattern based on a square dipyramid, i.e., two square pyramids connected base-to-base, is disclosed. The dimples are arranged within four substantially identical triangular sections on each of two substantially identical hemispheres of the ball.Type: GrantFiled: September 30, 2019Date of Patent: October 27, 2020Assignee: Acushnet CompanyInventor: Michael R. Madson
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Patent number: 10814177Abstract: The present invention is directed to golf balls having improved aesthetics and desirable aerodynamic properties due, at least in part, to the novel shape of the dimples on the surface thereof. In particular, the present invention is directed to a golf ball that includes at least a portion of its dimples having a shape obtained from the intersection of a prismatic polyhedron and the golf ball outer surface. The resulting curve of intersection represents the dimple perimeter and the intersecting portion of the surface of the prismatic polyhedron represents the dimple surface shape.Type: GrantFiled: May 28, 2019Date of Patent: October 27, 2020Assignee: Acushnet CompanyInventors: Michael R. Madson, Emilia DaCosta
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Patent number: 10814176Abstract: The present invention is directed to golf balls having improved aerodynamic performance due, at least in part, to the selection of the plan shapes of the dimples thereon. In particular, the present invention is directed to a golf ball that includes at least a portion of its dimples having a plan shape defined by low frequency periodic functions along a closed simple path. In addition, the present invention provides methods for designing dimples having a plan shape defined by a low frequency periodic function along a closed simple path.Type: GrantFiled: November 25, 2019Date of Patent: October 27, 2020Assignee: Acushnet CompanyInventors: Michael R. Madson, Nicholas M. Nardacci
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Patent number: 10814175Abstract: The present invention provides a method for arranging dimples on a golf ball surface in which the dimples are arranged in a pattern derived from at least one irregular domain generated from a regular or non-regular polyhedron. The method includes choosing control points of a polyhedron, generating an irregular domain based on those control points, packing the irregular domain with dimples, and tessellating the irregular domain to cover the surface of the golf ball. The control points include the center of a polyhedral face, a vertex of the polyhedron, a midpoint or other point on an edge of the polyhedron and others. The method ensures that the symmetry of the underlying polyhedron is preserved while minimizing or eliminating great circles due to parting lines.Type: GrantFiled: February 9, 2020Date of Patent: October 27, 2020Assignee: Acushnet CompanyInventors: Michael R. Madson, Nicholas M. Nardacci
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Patent number: 10799765Abstract: The present invention concerns a golf ball having dimples with a cross-sectional profile comprising a conical top portion and a bottom portion. More particularly, the profiles of the present invention are defined by three independent parameters: dimple diameter (DD), edge angle (?EDGE), and saucer ratio (Sr). These parameters fully define the dimple shape and allow for greater flexibility in constructing a dimple profile versus conventional spherical dimples. The dimples optionally have a transition surface connecting the conical top portion to the land area of the golf ball and/or a transition surface connecting the conical top portion to the bottom portion.Type: GrantFiled: November 4, 2019Date of Patent: October 13, 2020Assignee: Acushnet CompanyInventors: Michael R. Madson, Nicholas M. Nardacci
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Patent number: 10786708Abstract: The present invention is directed to a golf ball having a non-planar parting line on its spherical surface. At least a portion of the parting line comprises a series of main arcs connected by at least one intermediate arc.Type: GrantFiled: February 11, 2020Date of Patent: September 29, 2020Assignee: Acushnet CompanyInventors: Michael R. Madson, Nicholas M. Nardacci, David P. Hunt
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Publication number: 20200276480Abstract: The present invention relates to golf balls, specifically, to a golf ball with multifaceted dimples comprising two discrete geometries including a circular perimeter and a depression or protrusion based on a polyhedral prismatoid.Type: ApplicationFiled: May 18, 2020Publication date: September 3, 2020Applicant: Acushnet CompanyInventors: Michael R. Madson, Nicholas M. Nardacci
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Publication number: 20200276479Abstract: The present invention provides a method for arranging dimples on a golf ball surface in which the dimples are arranged in a pattern derived from at least one irregular domain generated from a regular or non-regular polyhedron. The method includes choosing control points of a polyhedron, generating an irregular domain based on those control points, packing the irregular domain with dimples, and tessellating the irregular domain to cover the surface of the golf ball. The control points include the center of a polyhedral face, a vertex of the polyhedron, a midpoint or other point on an edge of the polyhedron and others. The method ensures that the symmetry of the underlying polyhedron is preserved while minimizing or eliminating great circles due to parting lines.Type: ApplicationFiled: May 18, 2020Publication date: September 3, 2020Applicant: Acushnet CompanyInventors: Michael R. Madson, Nicholas M. Nardacci
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Publication number: 20200276478Abstract: The present invention is directed to golf balls having improved aerodynamic performance due, at least in part, to the alteration of the dimple surfaces. In particular, the present invention relates to a golf ball that includes at least a portion of its dimples having circular perimeters and dimple profiles having a concentric groove or a non-concentric groove on the surface of the dimple. The golf ball dimples of the present invention provide golf ball surfaces having unique appearances, while maintaining ideal aerodynamic characteristics.Type: ApplicationFiled: May 18, 2020Publication date: September 3, 2020Applicant: Acushnet CompanyInventors: Michael R. Madson, Nicholas M. Nardacci