Patents by Inventor Daniel M. Stevens

Daniel M. Stevens 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).

  • Laser range finder for use on a golf course
    Patent number: 8279417
    Abstract: An improved range finder for use on a golf course. The improved range finder includes means for identifying the closest target in a field of view during a sweep operation of the field of view and means for presenting the distance of the closest target at the conclusion of the sweep operation of the field of view. The improved range finder preferably uses infrared light to detect a flagstick.
    Type: Grant
    Filed: March 17, 2010
    Date of Patent: October 2, 2012
    Assignee: Callaway Golf Company
    Inventors: Alan Hocknell, Matthew T. Cackett, Daniel M. Stevens, Brandon T. Vincent
  • Hybrid golf club head
    Patent number: 8272974
    Abstract: A hybrid type golf club head is disclosed herein. The hybrid golf club head preferably has an increased heel/toe camber to minimize drag through rough when a golfer swings the hybrid golf club. A sole of the hybrid golf club head is relieved to allow for the face angle to open without the leading edge lifting too high.
    Type: Grant
    Filed: June 14, 2010
    Date of Patent: September 25, 2012
    Assignee: Callaway Golf Company
    Inventors: Philip A. Mickelson, Daniel M. Stevens, William C. Watson, Alan Hocknell, Luke R. Williams, Roger Cleveland
  • Interchangeable shaft for a golf club
    Patent number: 8257193
    Abstract: A golf club (20) having a club head (22) with an interchangeable shaft (40) is disclosed herein. The golf club (20) includes a tube (44, 144) mounted in the club head (22), and a sleeve (46, 146) mounted on a tip end (50) of the shaft (40). The tube (44, 144) includes a tapered portion (60, 160) and a rotation prevention portion (62, 162). The sleeve (46, 146) has a frustoconical portion (72, 172) and a keyed portion (74, 174) that are respectively received in the tapered portion (60, 160) and the rotation prevention portion (62, 162) of the tube (44, 144). The golf club (20) further includes a mechanical fastener (48, 148) for removably securing the shaft (40) to the club head (22).
    Type: Grant
    Filed: August 23, 2011
    Date of Patent: September 4, 2012
    Assignee: Callaway Golf Company
    Inventors: Alan Hocknell, Matthew T. Cackett, Denver Holt, D. Clayton Evans, Daniel M. Stevens, James C. Wenck, Steven S. Ogg, Konrad Lenhof, Jerry V. Blanke, Joel B. Erickson, Broadus Perry Wall, Jr.
  • Hybrid golf club head
    Patent number: 8246488
    Abstract: A hybrid type golf club head is disclosed herein. The hybrid golf club head preferably has an exterior heel weight, an exterior toe weight, and interior sole weight and a stainless steel body. The hybrid golf club head preferably has a moment of inertia Ixx about a center of gravity ranging from 2100 to 2300 grams-centimeters squared.
    Type: Grant
    Filed: September 17, 2010
    Date of Patent: August 21, 2012
    Assignee: Callaway Golf Company
    Inventors: Daniel M. Stevens, Philip G. Foster, Wayne H. Byrne, Joel B. Erickson
  • Interchangeable shaft for a golf club
    Patent number: 8235840
    Abstract: A golf club (20) having a club head (22) with an interchangeable shaft (40) is disclosed herein. The golf club (20) includes a tube (44, 144) mounted in the club head (22), and a sleeve (46, 146) mounted on a tip end (50) of the shaft (40). The tube (44, 144) includes a tapered portion (60, 160) and a rotation prevention portion (62, 162). The sleeve (46, 146) has a frustoconical portion (72, 172) and a keyed portion (74, 174) that are respectively received in the tapered portion (60, 160) and the rotation prevention portion (62, 162) of the tube (44, 144). The golf club (20) further includes a mechanical fastener (48, 148) for removably securing the shaft (40) to the club head (22).
    Type: Grant
    Filed: August 26, 2011
    Date of Patent: August 7, 2012
    Assignee: Callaway Golf Company
    Inventors: Alan Hocknell, Matthew T. Cackett, Denver Holt, D. Clayton Evans, Daniel M. Stevens, James C. Wenck, Steven S. Ogg, Konrad Lenhof, Jerry V. Blanke, Joel B. Erickson, Broadus Perry Wall, Jr.
  • INTERCHANGEABLE SHAFT FOR A GOLF CLUB
    Publication number: 20120064990
    Abstract: A golf club (20) having a club head (22) with an interchangeable shaft (40) is disclosed herein. The golf club (20) includes a tube (44, 144) mounted in the club head (22), and a sleeve (46, 146) mounted on a tip end (50) of the shaft (40). The tube (44, 144) includes a tapered portion (60, 160) and a rotation prevention portion (62, 162). The sleeve (46, 146) has a frustoconical portion (72, 172) and a keyed portion (74, 174) that are respectively received in the tapered portion (60, 160) and the rotation prevention portion (62, 162) of the tube (44, 144). The golf club (20) further includes a mechanical fastener (48, 148) for removably securing the shaft (40) to the club head (22).
    Type: Application
    Filed: November 18, 2011
    Publication date: March 15, 2012
    Applicant: CALLAWAY GOLF COMPANY
    Inventors: ALAN HOCKNELL, MATTHEW T. CACKETT, DENVER HOLT, D. CLAYTON EVANS, DANIEL M. STEVENS, JAMES C. WENCK, STEVEN S. OGG, KONRAD LENHOF, JERRY V. BLANKE, JOEL B. ERICKSON, BROADUS PERRY WALL
  • Interchangeable shaft for a golf club
    Patent number: 8096895
    Abstract: A golf club (20) having a club head (22) with an interchangeable shaft (40) is disclosed herein. The golf club (20) includes a tube (44, 144) mounted in the club head (22), and a sleeve (46, 146) mounted on a tip end (50) of the shaft (40). The tube (44, 144) includes a tapered portion (60, 160) and a rotation prevention portion (62, 162). The sleeve (46, 146) has a frustoconical portion (72, 172) and a keyed portion (74, 174) that are respectively received in the tapered portion (60, 160) and the rotation prevention portion (62, 162) of the tube (44, 144). The golf club (20) further includes a mechanical fastener (48, 148) for removably securing the shaft (40) to the club head (22).
    Type: Grant
    Filed: July 19, 2011
    Date of Patent: January 17, 2012
    Assignee: Callaway Golf Company
    Inventors: Alan Hocknell, Matthew T. Cackett, Denver Holt, D. Clayton Evans, Daniel M. Stevens, James C. Wenck, Steven S. Ogg, Konrad Lenhof, Jerry V. Blanke, Joel B. Erickson, Broadus Perry Wall
  • INTERCHANGEABLE SHAFT FOR A GOLF CLUB
    Publication number: 20110312434
    Abstract: A golf club (20) having a club head (22) with an interchangeable shaft (40) is disclosed herein. The golf club (20) includes a tube (44, 144) mounted in the club head (22), and a sleeve (46, 146) mounted on a tip end (50) of the shaft (40). The tube (44, 144) includes a tapered portion (60, 160) and a rotation prevention portion (62, 162). The sleeve (46, 146) has a frustoconical portion (72, 172) and a keyed portion (74, 174) that are respectively received in the tapered portion (60, 160) and the rotation prevention portion (62, 162) of the tube (44, 144). The golf club (20) further includes a mechanical fastener (48, 148) for removably securing the shaft (40) to the club head (22).
    Type: Application
    Filed: August 26, 2011
    Publication date: December 22, 2011
    Applicant: CALLAWAY GOLF COMPANY
    Inventors: ALAN HOCKNELL, MATTHEW T. CACKETT, DENVER HOLT, D. CLAYTON EVANS, DANIEL M. STEVENS, JAMES C. WENCK, STEVEN S. OGG, KONRAD LENHOF, JERRY V. BLANKE, JOEL B. ERICKSON, BROADUS PERRY WALL
  • INTERCHANGEABLE SHAFT FOR A GOLF CLUB
    Publication number: 20110306437
    Abstract: A golf club (20) having a club head (22) with an interchangeable shaft (40) is disclosed herein. The golf club (20) includes a tube (44, 144) mounted in the club head (22), and a sleeve (46, 146) mounted on a tip end (50) of the shaft (40). The tube (44, 144) includes a tapered portion (60, 160) and a rotation prevention portion (62, 162). The sleeve (46, 146) has a frustoconical portion (72, 172) and a keyed portion (74, 174) that are respectively received in the tapered portion (60, 160) and the rotation prevention portion (62, 162) of the tube (44, 144). The golf club (20) further includes a mechanical fastener (48, 148) for removably securing the shaft (40) to the club head (22).
    Type: Application
    Filed: August 23, 2011
    Publication date: December 15, 2011
    Applicant: CALLAWAY GOLF COMPANY
    Inventors: ALAN HOCKNELL, MATTHEW T. CACKETT, DENVER HOLT, D. CLAYTON EVANS, DANIEL M. STEVENS, JAMES C. WENCK, STEVEN S. OGG, KONRAD LENHOF, JERRY V. BLANKE, JOEL B. ERICKSON, BROADUS PERRY WALL
  • INTERCHANGEABLE SHAFT FOR A GOLF CLUB
    Publication number: 20110275449
    Abstract: A golf club (20) having a club head (22) with an interchangeable shaft (40) is disclosed herein. The golf club (20) includes a tube (44, 144) mounted in the club head (22), and a sleeve (46, 146) mounted on a tip end (50) of the shaft (40). The tube (44, 144) includes a tapered portion (60, 160) and a rotation prevention portion (62, 162). The sleeve (46, 146) has a frustoconical portion (72, 172) and a keyed portion (74, 174) that are respectively received in the tapered portion (60, 160) and the rotation prevention portion (62, 162) of the tube (44, 144). The golf club (20) further includes a mechanical fastener (48, 148) for removably securing the shaft (40) to the club head (22).
    Type: Application
    Filed: July 19, 2011
    Publication date: November 10, 2011
    Applicant: CALLAWAY GOLF COMPANY
    Inventors: ALAN HOCKNELL, MATTHEW T. CACKETT, DENVER HOLT, D. CLAYTON EVANS, DANIEL M. STEVENS, JAMES C. WENCK, STEVEN S. OGG, KONRAD LENHOF, JERRY V. BLANKE, JOEL B. ERICKSON, BROADUS PERRY WALL
  • Intgerchangeable shaft for a golf club
    Patent number: 8002644
    Abstract: A golf club (20) having a club head (22) with an interchangeable shaft (40) is disclosed herein. The golf club (20) includes a tube (44, 144) mounted in the club head (22), and a sleeve (46, 146) mounted on a tip end (50) of the shaft (40). The tube (44, 144) includes a tapered portion (60, 160) and a rotation prevention portion (62, 162). The sleeve (46, 146) has a frustoconical portion (72, 172) and a keyed portion (74, 174) that are respectively received in the tapered portion (60, 160) and the rotation prevention portion (62, 162) of the tube (44, 144). The golf club (20) further includes a mechanical fastener (48, 148) for removably securing the shaft (40) to the club head (22).
    Type: Grant
    Filed: January 25, 2011
    Date of Patent: August 23, 2011
    Assignee: Callaway Golf Company
    Inventors: Alan Hocknell, Matthew T. Cackett, Denver Holt, D. Clayton Evans, Daniel M. Stevens, James C. Wenck, Steven S. Ogg, Konrad Lenhof, Jerry V. Blanke, Joel B. Erickson, Broadus Perry Wall
  • INTGERCHANGEABLE SHAFT FOR A GOLF CLUB
    Publication number: 20110118047
    Abstract: A golf club (20) having a club head (22) with an interchangeable shaft (40) is disclosed herein. The golf club (20) includes a tube (44, 144) mounted in the club head (22), and a sleeve (46, 146) mounted on a tip end (50) of the shaft (40). The tube (44, 144) includes a tapered portion (60, 160) and a rotation prevention portion (62, 162). The sleeve (46, 146) has a frustoconical portion (72, 172) and a keyed portion (74, 174) that are respectively received in the tapered portion (60, 160) and the rotation prevention portion (62, 162) of the tube (44, 144). The golf club (20) further includes a mechanical fastener (48, 148) for removably securing the shaft (40) to the club head (22).
    Type: Application
    Filed: January 25, 2011
    Publication date: May 19, 2011
    Applicant: CALLAWAY GOLF COMPANY
    Inventors: ALAN HOCKNELL, MATTHEW T. CACKETT, DENVER HOLT, D. CLAYTON EVANS, DANIEL M. STEVENS, JAMES C. WENCK, STEVEN S. OGG, KONRAD LENHOF, JERRY V. BLANKE, JOEL B. ERICKSON, BROADUS PERRY WALL
  • HYBRID GOLF CLUB HEAD
    Publication number: 20110070969
    Abstract: A hybrid type golf club head is disclosed herein. The hybrid golf club head preferably has an exterior heel weight, an exterior toe weight, and interior sole weight and a stainless steel body. The hybrid golf club head preferably has a moment of inertia Ixx about a center of gravity ranging from 2100 to 2300 grams-centimeters squared.
    Type: Application
    Filed: September 17, 2010
    Publication date: March 24, 2011
    Applicant: CALLAWAY GOLF COMPANY
    Inventors: DANIEL M. STEVENS, PHILIP G. FOSTER, WAYNE H. BYRNE, JOEL B. ERICKSON
  • HYBRID GOLF CLUB HEAD
    Publication number: 20100323811
    Abstract: A hybrid type golf club head is disclosed herein. The hybrid golf club head preferably has an increased heel/toe camber to minimize drag through rough when a golfer swings the hybrid golf club. A sole of the hybrid golf club head is relieved to allow for the face angle to open without the leading edge lifting too high.
    Type: Application
    Filed: June 14, 2010
    Publication date: December 23, 2010
    Applicant: 2180 RUTHERFORD ROAD
    Inventors: PHILIP A. MICKELSON, DANIEL M. STEVENS, WILLIAM C. WATSON, ALAN HOCKNELL, LUKE R. WILLIAMS, ROGER CLEVELAND
  • Golf club with high moment of inertia
    Patent number: 7850542
    Abstract: A golf club (40) has a golf club head with a large mass, relatively short club length and a moment of inertia about the Izz axis through the center of gravity of the golf club head greater than 5000 grams-centimeters squared. The golf club head (42) preferably has a volume ranging from 400 cubic centimeters to 470 cubic centimeters. The golf club head (42) preferably has a moment of inertia about the Ixx axis through the center of gravity of the golf club head greater than 3000 grams-centimeters squared. The golf club (40) preferably has an inertia ratio greater than 0.0019.
    Type: Grant
    Filed: May 4, 2010
    Date of Patent: December 14, 2010
    Assignee: Callaway Golf Company
    Inventors: Matthew T. Cackett, Alan Hocknell, Daniel M. Stevens, Luke R. Williams
  • Golf club head
    Patent number: D637670
    Type: Grant
    Filed: July 30, 2010
    Date of Patent: May 10, 2011
    Assignee: Callaway Golf Company
    Inventors: Philip G. Foster, Garth W. Smith, Evan D. Gibbs, Luke R. Williams, Daniel M. Stevens
  • Golf club head
    Patent number: D637671
    Type: Grant
    Filed: August 25, 2010
    Date of Patent: May 10, 2011
    Assignee: Callaway Golf Company
    Inventors: Kevin Weejoung Kim, Daniel M. Stevens, Michael Hallack
  • Golf club head
    Patent number: D641818
    Type: Grant
    Filed: July 28, 2010
    Date of Patent: July 19, 2011
    Assignee: Callaway Golf Company
    Inventors: Philip G. Foster, Garth Smith, Evan D. Gibbs, Luke R. Williams, Daniel M. Stevens
  • Golf club head
    Patent number: D647583
    Type: Grant
    Filed: July 28, 2010
    Date of Patent: October 25, 2011
    Assignee: Callaway Golf Company
    Inventors: Philip G. Foster, Garth Smith, Evan D. Gibbs, Luke R. Williams, Daniel M. Stevens
  • Golf club head
    Patent number: D652880
    Type: Grant
    Filed: July 28, 2010
    Date of Patent: January 24, 2012
    Assignee: Callaway Golf Company
    Inventors: Philip G. Foster, Garth Smith, Evan D. Gibbs, Luke R. Williams, Daniel M. Stevens