Inventor · disambiguated record
D. Clayton Evans
Also filed as: EVANS D C · EVANS D CLAYTON
198 granted patents·12 pending applications·12,554 citations·filing 1996–2023
99Inventor score
Top patents by PatentIndex Score
210 records- 0199US11511166B1Structured face for golf club headCOBRA GOLF INC·Filed 2020·Granted Nov 29, 2022·11 cites·15 claims
- 0299US11406880B1Systems and methods for a variable thickness club headCOBRA GOLF INC·Filed 2020·Granted Aug 9, 2022·9 cites·18 claims
- 0399US8246487B1Iron-type golf club head having movable weightsCACKETT MATTHEW T·Filed 2010·Granted Aug 21, 2012·243 cites·10 claims
- 0499US8012034B1Wood-type golf club head with adjustable sole contourCALLAWAY GOLF CO·Filed 2011·Granted Sep 6, 2011·104 cites·14 claims
- 0599US7396296B2Golf club head with metal injection molded soleCALLAWAY GOLF CO·Filed 2006·Granted Jul 8, 2008·247 cites·9 claims
- 0699US7335113B2Golf club with interchangeable head-shaft connectionCALLAWAY GOLF CO·Filed 2006·Granted Feb 26, 2008·197 cites·20 claims
- 0799US7300359B2Golf club with interchangeable head-shaft connectionCALLAWAY GOLF CO·Filed 2006·Granted Nov 27, 2007·211 cites·20 claims
- 0899US7166041B2Golf clubhead with adjustable weightingCALLAWAY GOLF CO·Filed 2005·Granted Jan 23, 2007·454 cites·13 claims
- 0999US6648773B1Golf club head with metal striking plate insertCALLAWAY GOLF CO·Filed 2002·Granted Nov 18, 2003·353 cites·12 claims
- 1099US6623377B2Golf club striking plate with variable thicknessCALLAWAY GOLF CO·Filed 2002·Granted Sep 23, 2003·98 cites·6 claims
- 1199US6612938B2Composite golf club headCALLAWAY GOLF CO·Filed 2001·Granted Sep 2, 2003·176 cites·2 claims
- 1299US6575845B2Multiple material golf club headCALLAWAY GOLF CO·Filed 2002·Granted Jun 10, 2003·380 cites·12 claims
- 1399US6547676B2Golf club head that optimizes products of inertiaCALLAWAY GOLF CO·Filed 2002·Granted Apr 15, 2003·155 cites·15 claims
- 1499US6425832B2Golf club head that optimizes products of inertiaCALLAWAY GOLF CO·Filed 2001·Granted Jul 30, 2002·262 cites·20 claims
- 1599US6398666B1Golf club striking plate with variable thicknessCALLAWAY GOLF CO·Filed 2000·Granted Jun 4, 2002·252 cites·3 claims
- 1699US6248025B1Composite golf club head and method of manufacturingCALLAWAY GOLF CO·Filed 1999·Granted Jun 19, 2001·420 cites·8 claims
- 1798US11524213B1Systems and methods for additive manufacturing of a golf club having an insert structureCOBRA GOLF INC·Filed 2020·Granted Dec 13, 2022·16 cites·29 claims
- 1898US11033782B1Systems and methods for a weighted golf club headCOBRA GOLF INC·Filed 2020·Granted Jun 15, 2021·14 cites·17 claims
- 1998US7934999B2Wood-type golf club head with adjustable sole contourCALLAWAY GOLF CO·Filed 2009·Granted May 3, 2011·100 cites·21 claims
- 2098US7837577B2Golf club head with metal injection molded soleCALLAWAY GOLF CO·Filed 2010·Granted Nov 23, 2010·86 cites·5 claims
- 2198US7717807B2Golf club head with tungsten alloy sole applicationsCALLAWAY GOLF CO·Filed 2008·Granted May 18, 2010·171 cites·6 claims
- 2298USD566214SGolf club headCALLAWAY GOLF CO·Filed 2007·Granted Apr 8, 2008·177 cites·1 claims
- 2398US7344449B2Golf club with interchangeable head-shaft connectionCALLAWAY GOLF CO·Filed 2006·Granted Mar 18, 2008·154 cites·20 claims
- 2498USD530761SGolf club headCALLAWAY GOLF CO·Filed 2005·Granted Oct 24, 2006·106 cites·1 claims
- 2598US7115046B1Golf club with interchangeable head-shaft connectionCALLAWAY GOLF CO·Filed 2005·Granted Oct 3, 2006·160 cites·26 claims
- 2698US7070517B2Golf club head (Corporate Docket PU2150)CALLAWAY GOLF CO·Filed 2003·Granted Jul 4, 2006·168 cites·8 claims
- 2798US7066835B2Multiple material golf club headCALLAWAY GOLF CO·Filed 2004·Granted Jun 27, 2006·222 cites·14 claims
- 2898US7059973B2Multiple material golf club headCALLAWAY GOLF CO·Filed 2005·Granted Jun 13, 2006·137 cites·15 claims
- 2998USD506236SGolf club headCALLAWAY GOLF CO·Filed 2004·Granted Jun 14, 2005·116 cites·1 claims
- 3098US6881159B2Multiple material golf club headCALLAWAY GOLF CO·Filed 2003·Granted Apr 19, 2005·187 cites·21 claims
- 3198US6875129B2Golf club headCALLAWAY GOLF CO·Filed 2003·Granted Apr 5, 2005·234 cites·12 claims
- 3298US6860824B2Golf club head with metal striking plate insertCALLAWAY GOLF CO·Filed 2003·Granted Mar 1, 2005·206 cites·3 claims
- 3398US6669578B1Golf club head with metal striking plate insertCALLAWAY GOLF CO·Filed 2002·Granted Dec 30, 2003·189 cites·12 claims
- 3498US6475102B2Golf club headCALLAWAY GOLF CO·Filed 2002·Granted Nov 5, 2002·175 cites·10 claims
- 3598US6440008B2Composite golf club headCALLAWAY GOLF CO·Filed 2001·Granted Aug 27, 2002·194 cites·3 claims
- 3698US6409612B1Weighting member for a golf club headCALLAWAY GOLF CO·Filed 2000·Granted Jun 25, 2002·497 cites·9 claims
- 3798US6386990B1Composite golf club head with integral weight stripCALLAWAY GOLF CO·Filed 1999·Granted May 14, 2002·282 cites·4 claims
- 3898US6364788B1Weighting system for a golf club headCALLAWAY GOLF CO·Filed 2000·Granted Apr 2, 2002·201 cites·11 claims
- 3997US10343031B1Golf club head with openwork ribCOBRA GOLF INC·Filed 2017·Granted Jul 9, 2019·43 cites·5 claims
- 4097US10004958B2Golf club head with center of gravity adjustabilityCALLAWAY GOLF CO·Filed 2017·Granted Jun 26, 2018·33 cites·8 claims
- 4197US9682299B2Golf club head with center of gravity adjustabilityCALLAWAY GOLF CO·Filed 2016·Granted Jun 20, 2017·40 cites·10 claims
- 4297US8517851B2Wood-type golf club head with adjustable sole contourCACKETT MATTHEW T·Filed 2011·Granted Aug 27, 2013·60 cites·19 claims
- 4397US7476160B2Interchangeable shaft for a golf clubCALLAWAY GOLF CO·Filed 2007·Granted Jan 13, 2009·96 cites·8 claims
- 4497US7273419B2Multiple material golf club headCALLAWAY GOLF CO·Filed 2005·Granted Sep 25, 2007·113 cites·15 claims
- 4597USD536049SSole design for a golf club headCALLAWAY GOLF CO·Filed 2005·Granted Jan 30, 2007·88 cites·1 claims
- 4697US7014570B2Golf club striking plate with variable thicknessCALLAWAY GOLF CO·Filed 2005·Granted Mar 21, 2006·86 cites·14 claims
- 4797US6663504B2Multiple material golf club headCALLAWAY GOLF CO·Filed 2002·Granted Dec 16, 2003·208 cites·12 claims
- 4897US6434811B1Weighting system for a golf club headCALLAWAY GOLF CO·Filed 2002·Granted Aug 20, 2002·122 cites·5 claims
- 4997US6428426B1Golf club striking plate with variable bulge and rollCALLAWAY GOLF CO·Filed 2000·Granted Aug 6, 2002·144 cites·25 claims
- 5097US6406381B2Composite golf club head and method of manufacturingCALLAWAY GOLF CO·Filed 2000·Granted Jun 18, 2002·161 cites·8 claims
Showing the top 50 of 210 patent records by PatentIndex Score.
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