Patents by Inventor Nathaniel J. Radcliffe
Nathaniel J. Radcliffe 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: 20100087272Abstract: A hollow wood-type golf club head having an increased weight budget and improved mass characteristics at minimum structural mass is disclosed. The club head has a striking face portion, a sole portion, a skirt portion, and a crown portion having a total surface area. A hosel portion joins the club head for connecting a shaft to the club head. The crown portion has a major crown portion and a minor crown portion, the major portion having greater surface area than the minor portion, and the major portion being displaced vertically lower relative to the minor crown portion. The major crown portion may have a generally concave curvature and the minor crown portion may have a generally convex curvature such that the major crown portion is in effect inverted with respect to the minor crown portion. The major crown portion may be upwardly inclined from the heel to the toe of the head. The head may exhibit a parabolic top view silhouette.Type: ApplicationFiled: December 2, 2009Publication date: April 8, 2010Inventors: John J. Rae, Nathaniel J. Radcliffe, Daniel J. Stone, Trent E. Garner, Brad S. Hooley, Robert J. Horacek, Michael J. Wallans
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Patent number: 7651414Abstract: A hollow wood-type golf club head having an increased weight budget and improved mass characteristics at minimum structural mass is disclosed. The club head has a striking face portion, a sole portion, a skirt portion, and a crown portion having a total surface area. A hosel portion joins the club head for connecting a shaft to the club head. The crown portion has a major crown portion and a minor crown portion, the major portion having greater surface area than the minor portion, and the major portion being displaced vertically lower relative to the minor crown portion. The major crown portion may have a generally concave curvature and the minor crown portion may have a generally convex curvature such that the major crown portion is in effect inverted with respect to the minor crown portion. The major crown portion may be upwardly inclined from the heel to the toe of the head. The head may exhibit a parabolic top view silhouette.Type: GrantFiled: October 12, 2005Date of Patent: January 26, 2010Assignee: Roger Cleveland Golf Company, Inc.Inventors: John J. Rae, Nathaniel J. Radcliffe, Daniel J. Stone, Trent E. Garner, Brad S. Hooley, Robert J. Horacek, Michael J. Wallans
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Publication number: 20090239680Abstract: A hollow golf club head includes a sole, a crown, a skirt, and a striking face. The golf club includes a junction interconnecting the sole, crown, and skirt to the striking face, the junction including at least one stiffening member.Type: ApplicationFiled: June 2, 2009Publication date: September 24, 2009Applicant: ROGER CLEVELAND GOLF CO., INC.Inventors: Robert J. Horacek, Nathaniel J. Radcliffe, John J. Rae, Michael J. Wallans, Sam G. Lacey
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Publication number: 20090239682Abstract: A muscle-back iron golf club head includes a blade-like upper mass, a muscle-like lower mass, a planar front surface, a top surface, a sole surface, a heel surface, a toe surface, and a rear surface having a first contour. A recess is in the rear surface, the recess having a first portion in the blade-like upper mass and a second portion in the muscle-like lower mass. An insert may be provided in the recess, and such insert may substantially fill the recess and may include a back surface having a second contour which is different from the first contour of the club head rear surface.Type: ApplicationFiled: June 4, 2009Publication date: September 24, 2009Applicant: Roger Cleveland Golf Company, Inc.Inventors: Douglas E. Roberts, Trent E. Garner, Kevin A. Wolfe, Daniel J. Stone, Christopher J. Beck, Todd D. Harman, Brent L. Newsome, Michael J. Wallans, Nathaniel J. Radcliffe
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Patent number: 7585233Abstract: A hollow golf club head includes a sole, a crown, a skirt, and a striking face. The golf club includes a junction interconnecting the sole, crown and skirt to the striking face, the junction including at least one stiffening member.Type: GrantFiled: May 26, 2006Date of Patent: September 8, 2009Assignee: Roger Cleveland Golf Co., Inc.Inventors: Robert J. Horacek, Nathaniel J. Radcliffe, John J. Rae, Michael J. Wallans, Sam G. Lacey
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Patent number: 7563178Abstract: An exemplary golf club head having additional discretionary mass may be realized by utilizing light-weight materials, an favorable average crown height, and/or articulation points. By using a preferred break length, the additional discretionary mass may be placed low and deep in the club head to improve the location of the center of gravity as well as the inertial properties. In one example, the center of gravity may be positioned to substantially align the sweet spot with the face center of the club head.Type: GrantFiled: June 6, 2007Date of Patent: July 21, 2009Assignee: Roger Cleveland Golf, Co., Ltd.Inventors: John J. Rae, Nathaniel J. Radcliffe, Robert J. Horacek, Kevin Schaeffer, Sam G. Lacey, Jeff D. Brunski
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Patent number: 7563176Abstract: A muscle-back iron golf club head includes a blade-like upper mass, a muscle-like lower mass, a planar front surface, a top surface, a sole surface, a heel surface, a toe surface, and a rear surface having a first contour. A recess is in the rear surface, the recess having a first portion in the blade-like upper mass and a second portion in the muscle-like lower mass. An insert may be provided in the recess, and such insert may substantially fill the recess and may include a back surface having a second contour which is different from the first contour of the club head rear surface.Type: GrantFiled: October 29, 2007Date of Patent: July 21, 2009Assignee: Roger Cleveland Golf Company, Inc.Inventors: Douglas E. Roberts, Trent E. Garner, Kevin A. Wolfe, Daniel J. Stone, Christopher J. Beck, Todd D. Harman, Brent L. Newsome, Michael J. Wallans, Nathaniel J. Radcliffe
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Publication number: 20090170625Abstract: At least three clubs of a set of golf clubs may have an average volume between about 75 cm3 and about 90 cm3. The transverse dimensions of the at least three clubs may progressively decrease from a highest volume club to a lowest volume club. At least one club of a set may include a constraining member in a cavity. A linear distance between a sweet spot and a center of gravity may progressively decrease from a lower lofted club to a higher lofted club within a set. At least one golf club of a set may include a face plate portion, and at least two golf clubs of the set may include a cup face portion. At least two clubs of a set may include a progressively increasing hosel length from a lowest lofted club to a highest lofted club. The strike face of at least one club of a set may include a bulge and a roll. A first club of a set may have a face thickness that is less than a face thickness of a second club of the set.Type: ApplicationFiled: March 9, 2009Publication date: July 2, 2009Applicant: Roger Cleveland Golf Co., Inc.Inventors: Sharon J. PARK, Nathaniel J. Radcliffe, Daniel J. Stone, Brad S. Hooley, Robert J. Horacek, Sam G. Lacey, Kevin Schaeffer, Craig R. Schnell, Douglas E. Roberts, Jimmy H. Kuan, John J. Rae, Dan S. Nivanh, Andrew P. Chick
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Patent number: 7553241Abstract: At least three clubs of a set of golf clubs may have an average volume between about 75 cm3 and about 90 cm3. The transverse dimensions of the at least three clubs may progressively decrease from a highest volume club to a lowest volume club. At least one club of a set may include a constraining member in a cavity. A linear distance between a sweet spot and a center of gravity may progressively decrease from a lower lofted club to a higher lofted club within a set. At least one golf club of a set may include a face plate portion, and at least two golf clubs of the set may include a cup face portion. At least two clubs of a set may include a progressively increasing hosel length from a lowest lofted club to a highest lofted club. The strike face of at least one club of a set may include a bulge and a roll. A first club of a set may have a face thickness that is less than a face thickness of a second club of the set.Type: GrantFiled: April 3, 2007Date of Patent: June 30, 2009Assignee: Roger Cleveland Golf Co., Inc.Inventors: Sharon J. Park, Nathaniel J. Radcliffe, Daniel J. Stone, Brad S. Hooley, Robert J. Horacek, Sam G. Lacey, Kevin Schaeffer, Craig R. Schnell, Douglas E. Roberts, Jimmy H. Kuan, John J. Rae, Dan S. Nivanh, Andrew P. Chick
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Publication number: 20090149275Abstract: An exemplary golf club head having an increased amount of discretionary mass may be realized by utilizing improved drop angles, an improved average crown height, and/or articulation points. The discretionary mass may be placed low and deep in the club head to improve the location of the center of gravity as well as the inertial properties. A preferred break length may also be utilized to further improve the depth of the center of gravity. In one example, the center of gravity may be positioned to substantially align the sweet spot with the face center of the club head.Type: ApplicationFiled: December 11, 2008Publication date: June 11, 2009Applicant: Roger Cleveland Golf Co., Inc.Inventors: John J. RAE, Nathaniel J. Radcliffe, Daniel J. Stone, Trent E. Garner, Brad S. Hooley, Robert J. Horacek, Sam G. Lacey, Jeff D. Brunski, Kevin Schaeffer, Scott A. Carlyle, Stephen C. Chien, Craig R. Schnell, Douglas E. Roberts, Dan S. Nivanh, Michael J. Wallans
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Publication number: 20090124411Abstract: An exemplary golf club head having additional discretionary mass may be realized by utilizing light-weight materials, an favorable average crown height, and/or articulation points. By using a preferred break length, the additional discretionary mass may be placed low and deep in the club head to improve the location of the center of gravity as well as the inertial properties. In one example, the center of gravity may be positioned to substantially align the sweet spot with the face center of the club head.Type: ApplicationFiled: January 15, 2009Publication date: May 14, 2009Applicant: Roger Cleveland Golf Co., Inc.Inventors: John J. RAE, Nathaniel J. RADCLIFFE, Robert J. HORACEK, Kevin SCHAEFFER, Sam G. LACEY, Jeff D. BRUNSKI
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Publication number: 20090075754Abstract: A golf club head according to one or more aspects of the present invention may include a heel, a toe, a crown, a sole, a strike face, and a lower transition region between the strike face and the sole. The lower transition region may have a plurality of nadir angles progressively increasing in size from the central region of the strike face to the heel and/or toe. The club head may further include an upper transition region between the strike face and the crown. The upper transition region may have a plurality of apex angles progressively increasing in size from the central region of the strike face to the heel and/or toe.Type: ApplicationFiled: November 26, 2008Publication date: March 19, 2009Applicant: Roger Cleveland Golf Co., Inc.Inventors: Robert J. Horacek, Nathaniel J. Radcliffe, John J. Rae
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Patent number: 7500926Abstract: An exemplary golf club head having an increased amount of discretionary mass may be realized by utilizing improved drop angles, an improved average crown height, and/or articulation points. The discretionary mass may be placed low and deep in the club head to improve the location of the center of gravity as well as the inertial properties. A preferred break length may also be utilized to further improve the depth of the center of gravity. In one example, the center of gravity may be positioned to substantially align the sweet spot with the face center of the club head.Type: GrantFiled: March 13, 2007Date of Patent: March 10, 2009Assignee: Roger Cleveland Golf Co., Inc.Inventors: John J. Rae, Nathaniel J. Radcliffe, Daniel J. Stone, Trent E. Garner, Brad S. Hooley, Robert J. Horacek, Sam G. Lacey, Jeff D. Brunski, Kevin Schaeffer, Scott A. Carlyle, Stephen C. Chien, Craig R. Schnell, Douglas E. Roberts, Dan S. Nivanh, Michael J. Wallans
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Patent number: 7390270Abstract: A muscle-back iron golf club head includes a blade-like upper mass, a muscle-like lower mass, a planar front surface, a top surface, a sole surface, a heel surface, a toe surface, and a rear surface having a first contour. A recess is in the rear surface, the recess having a first portion in the blade-like upper mass and a second portion in the muscle-like lower mass. An insert may be provided in the recess, and such insert may substantially fill the recess and may include a back surface having a second contour which is different from the first contour of the club head rear surface.Type: GrantFiled: July 26, 2005Date of Patent: June 24, 2008Assignee: Roger Cleveland Golf Company, Inc.Inventors: Douglas E. Roberts, Trent E. Garner, Kevin A. Wolfe, Daniel J. Stone, Christopher J. Beck, Todd D. Harman, Brent L. Newsome, Michael J. Wallans, Nathaniel J. Radcliffe
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Publication number: 20080058116Abstract: An exemplary golf club head having an increased amount of discretionary mass may be realized by utilizing improved drop angles, an improved average crown height, and/or articulation points. The discretionary mass may be placed low and deep in the club head to improve the location of the center of gravity as well as the inertial properties. A preferred break length may also be utilized to further improve the depth of the center of gravity. In one example, the center of gravity may be positioned to substantially align the sweet spot with the face center of the club head.Type: ApplicationFiled: March 13, 2007Publication date: March 6, 2008Applicant: ROGER CLEVELAND GOLF CO., INC.Inventors: John J. Rae, Nathaniel J. Radcliffe, Daniel J. Stone, Trent E. Garner, Brad S. Hooley, Robert J. Horacek, Sam G. Lacey, Jeff D. Brunski, Kevin Schaeffer, Scott A. Carlyle, Stephen C. Chien, Craig R. Schnell, Douglas E. Roberts, Dan S. Nivanh, Michael J. Wallans
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Patent number: D565676Type: GrantFiled: August 7, 2006Date of Patent: April 1, 2008Assignee: Roger Cleveland Golf Company, Inc.Inventors: John J Rae, Nathaniel J. Radcliffe, Robert J. Horacek, Douglas E. Roberts, Trent E. Garner, Brad S. Hooley, Daniel J. Stone
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Patent number: D584369Type: GrantFiled: September 18, 2007Date of Patent: January 6, 2009Assignee: Roger Cleveland Golf Co., Ltd.Inventors: Brad S. Hooley, Robert J. Horacek, Kevin Schaeffer, Craig R. Schnell, Dan S. Nivanh, John J. Rae, Nathaniel J. Radcliffe, Scott A. Carlyle
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Patent number: D591381Type: GrantFiled: December 3, 2008Date of Patent: April 28, 2009Assignee: Roger Cleveland Golf Co., Inc.Inventors: Robert J. Horacek, Samuel G. Lacey, Nathaniel J. Radcliffe, John J. Rae, Ryan J. A. Ritchie
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Patent number: D600767Type: GrantFiled: June 22, 2009Date of Patent: September 22, 2009Assignee: Roger Cleveland Golf Co., Inc.Inventors: Robert J. Horacek, Samuel G. Lacey, Nathaniel J. Radcliffe, John J. Rae, Ryan J. A. Ritchie
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Patent number: D604784Type: GrantFiled: June 22, 2009Date of Patent: November 24, 2009Assignee: Roger Cleveland Golf Co., Inc.Inventors: Robert J. Horacek, Samuel G. Lacey, Nathaniel J. Radcliffe, John J. Rae, Ryan J. A. Ritchie