Inventor · disambiguated record
D. Clayton Long
Also filed as: LONG D C · LONG D CLAYTON
27 granted patents·3 pending applications·2,223 citations·filing 1987–2025
98Inventor score
Files withMACGREGOR GOLF CO9PLUS 2 INTERNATIONAL INC5TAYLOR MADE GOLF CO5ACUSHNET CO3COBRA GOLF INC3
Top patents by PatentIndex Score
30 records- 0197US6332848B1Metal wood golf club headCOBRA GOLF INC·Filed 2000·Granted Dec 25, 2001·337 cites·17 claims
- 0297USD442245SBack and sole portion of a golf club headACUSHNET CO·Filed 2000·Granted May 15, 2001·89 cites·1 claims
- 0397US5213328AReinforced metal golf club headMACGREGOR GOLF CO·Filed 1992·Granted May 25, 1993·585 cites·6 claims
- 0496US11164171B2Golf club head and method of manufactureTAYLOR MADE GOLF CO·Filed 2021·Granted Nov 2, 2021·7 cites·20 claims
- 0596US4957294AGolf club headMACGREGOR GOLF CO·Filed 1988·Granted Sep 18, 1990·162 cites·1 claims
- 0696US4858929AGolf ironsMACGREGOR GOLF CO·Filed 1988·Granted Aug 22, 1989·154 cites·9 claims
- 0794US10423945B2Golf club head and method of manufactureTAYLOR MADE GOLF CO·Filed 2017·Granted Sep 24, 2019·19 cites·20 claims
- 0894USD354784SReinforced metal golf club headMACGREGOR GOLF CO·Filed 1993·Granted Jan 24, 1995·54 cites·1 claims
- 0994US4854581AGolf ironsMACGREGOR GOLF CO·Filed 1988·Granted Aug 8, 1989·129 cites·2 claims
- 1093US5292129AReinforced metal golf club headMACGREGOR GOLF CO·Filed 1993·Granted Mar 8, 1994·138 cites·26 claims
- 1192US4802672ASet of golf ironsMACGREGOR GOLF CO·Filed 1987·Granted Feb 7, 1989·108 cites·4 claims
- 1291US11004046B2Golf club head and method of manufactureTAYLOR MADE GOLF CO·Filed 2019·Granted May 11, 2021·9 cites·20 claims
- 1391USD344772SReinforced metal golf club headMACGREGOR GOLF CO·Filed 1993·Granted Mar 1, 1994·41 cites·1 claims
- 1490US11907923B2Golf club head and method of manufactureTAYLOR MADE GOLF CO·Filed 2021·Granted Feb 20, 2024·1 cites·20 claims
- 1590USD406295SGolf club headCOBRA GOLF INC·Filed 1998·Granted Mar 2, 1999·38 cites·1 claims
- 1689US6454664B1Golf club head with multi-radius faceACUSHNET CO·Filed 2000·Granted Sep 24, 2002·65 cites·12 claims
- 1788US8007372B2Golf club head with localized grooves and reinforcementCOBRA GOLF INC·Filed 2010·Granted Aug 30, 2011·23 cites·2 claims
- 1888USD532846SPutterNICKENT GOLF EQUIPMENT CO·Filed 2005·Granted Nov 28, 2006·48 cites·1 claims
- 1985US8088019B1Adjustable driver hoselLONG D CLAYTON·Filed 2009·Granted Jan 3, 2012·38 cites·12 claims
- 2084USD459423SGolf putter with offset hosel and sight linesPLUS 2 INTERNATIONAL INC·Filed 2001·Granted Jun 25, 2002·22 cites·1 claims
- 2182US6746344B1Putter head with cavitiesPLUS 2 INTERNATIONAL INC·Filed 2002·Granted Jun 8, 2004·35 cites·29 claims
- 2281US6582322B2Golf club head with multi-radius faceACUSHNET CO·Filed 2002·Granted Jun 24, 2003·33 cites·7 claims
- 2378US5110131APositive draft golf ironLONG D CLAYTON·Filed 1991·Granted May 5, 1992·54 cites·3 claims
- 2478US2025148442A1Golf club head and method of manufactureTAYLOR MADE GOLF CO·Filed 2025·Application pending·0 cites
- 2577US2024193569A1Golf club head and method of manufactureTAYLOR MADE GOLF COMAPNY INC·Filed 2024·Application pending·0 cites
- 2676USD304485SGolf iron headMACGREGOR GOLF CO·Filed 1987·Granted Nov 7, 1989·15 cites·1 claims
- 2767USD464695SGolf putter with offset hoselPLUS 2 INTERNATIONAL INC·Filed 2002·Granted Oct 22, 2002·10 cites·1 claims
- 2852USD465002SGolf putter with a face insertPLUS 2 INTERNATIONAL INC·Filed 2002·Granted Oct 29, 2002·5 cites·1 claims
- 2947USD464696SGolf putter with sight linesPLUS 2 INTERNATIONAL INC·Filed 2002·Granted Oct 22, 2002·4 cites·1 claims
- 3046US2005101404A1Golf club head with localized grooves and reinforcementFiled 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →