Inventor · disambiguated record
Karl A. Clausen
Also filed as: CLAUSEN KARL · CLAUSEN KARL A
74 granted patents·11 pending applications·2,798 citations·filing 1997–2022
99Inventor score
Top patents by PatentIndex Score
85 records- 0198US9330406B2Method and system for sales of golf equipmentCOBRA GOLF INC·Filed 2012·Granted May 3, 2016·38 cites·13 claims
- 0298US8323122B2Method of making golf clubsSORACCO PETER L·Filed 2011·Granted Dec 4, 2012·49 cites·6 claims
- 0398US8092316B2Golf club having removable sole weight using custom and interchangeable panelsBREIER JOSHUA G·Filed 2010·Granted Jan 10, 2012·72 cites·13 claims
- 0498US8007373B2Method of making golf clubsCOBRA GOLF INC·Filed 2009·Granted Aug 30, 2011·57 cites·19 claims
- 0598US7878924B2Quick release connection system for golf clubsCOBRA GOLF INC·Filed 2009·Granted Feb 1, 2011·66 cites·4 claims
- 0698USD402344SGolf putter head with curved flutes and a curved hoselCALLAWAY GOLF CO·Filed 1997·Granted Dec 8, 1998·85 cites·1 claims
- 0797US9901794B2Golf club head with removable componentCOBRA GOLF INC·Filed 2016·Granted Feb 27, 2018·45 cites·11 claims
- 0897US9393471B2Golf club head with removable componentCOBRA GOLF INC·Filed 2014·Granted Jul 19, 2016·63 cites·13 claims
- 0997US8105175B2Golf club having removable sole weight using custom and interchangeable panelsBREIER JOSHUA G·Filed 2009·Granted Jan 31, 2012·82 cites·19 claims
- 1097US7871336B2Golf club having removable sole weight using custom and interchangeable panelsACUSHNET CO·Filed 2009·Granted Jan 18, 2011·71 cites·16 claims
- 1197US7621820B2Quick release connection system for golf clubsACUSHNET CO·Filed 2006·Granted Nov 24, 2009·74 cites·14 claims
- 1296US9370697B2Golf club head comprising multiple materialsCOBRA GOLF INC·Filed 2014·Granted Jun 21, 2016·57 cites·8 claims
- 1396US7614962B1Set of iron-type golf clubs having a progressive sole configurationACUSHNET CO·Filed 2008·Granted Nov 10, 2009·81 cites·9 claims
- 1496US7338387B2Iron golf clubCALLAWAY GOLF CO·Filed 2005·Granted Mar 4, 2008·110 cites·12 claims
- 1596US6623374B1Golf club head and set of golf clubsCALLAWAY GOLF CO·Filed 2002·Granted Sep 23, 2003·124 cites·5 claims
- 1695US9855474B2Golf club head with accessible interiorCOBRA GOLF INC·Filed 2016·Granted Jan 2, 2018·25 cites·13 claims
- 1795US9421438B2Golf club head with accessible interiorCOBRA GOLF INC·Filed 2014·Granted Aug 23, 2016·44 cites·5 claims
- 1895US7220189B2Iron golf clubCALLAWAY GOLF CO·Filed 2005·Granted May 22, 2007·83 cites·20 claims
- 1995US6769998B2Iron golf club headCALLAWAY GOLF CO·Filed 2002·Granted Aug 3, 2004·112 cites·11 claims
- 2094US7803068B2Cavity back golf club headCOBRA GOLF INC·Filed 2007·Granted Sep 28, 2010·111 cites·19 claims
- 2194USD529111SGolf club headCALLAWAY GOLF CO·Filed 2005·Granted Sep 26, 2006·115 cites·1 claims
- 2294US6887164B2Iron golf club headCALLAWAY GOLF CO·Filed 2004·Granted May 3, 2005·88 cites·20 claims
- 2394USD464693SIron golf club headCALLAWAY GOLF CO·Filed 2001·Granted Oct 22, 2002·61 cites·1 claims
- 2494USD464387SIron golf club headCALLAWAY GOLF CO·Filed 2001·Granted Oct 15, 2002·61 cites·1 claims
- 2593US9616301B2Releasable threaded component for a golf club having a mechanism for preventing over rotationCOBRA GOLF INC·Filed 2015·Granted Apr 11, 2017·23 cites·10 claims
- 2693US9440123B2Golf club head with accessible interiorCOBRA GOLF INC·Filed 2014·Granted Sep 13, 2016·33 cites·17 claims
- 2793USD684230SGolf club headROBERTS DOUGLAS E·Filed 2012·Granted Jun 11, 2013·57 cites·1 claims
- 2893US6857973B2Iron golf clubCALLAWAY GOLF CO·Filed 2003·Granted Feb 22, 2005·93 cites·20 claims
- 2993USD480440SIron golf club headCALLAWAY GOLF CO·Filed 2002·Granted Oct 7, 2003·51 cites·1 claims
- 3092US6814674B2Iron golf clubCALLAWAY GOLF CO·Filed 2002·Granted Nov 9, 2004·105 cites·11 claims
- 3192USD474822SIron golf club headCALLAWAY GOLF CO·Filed 2002·Granted May 20, 2003·50 cites·1 claims
- 3290US7878920B2Set of iron-type golf clubs having a progressive sole configurationCOBRA GOLF INC·Filed 2009·Granted Feb 1, 2011·31 cites·9 claims
- 3390USD470553SGolf club headCALLAWAY GOLF CO·Filed 2002·Granted Feb 18, 2003·42 cites·1 claims
- 3488US7338389B2Iron golf clubCALLAWAY GOLF CO·Filed 2007·Granted Mar 4, 2008·27 cites·4 claims
- 3587US7862450B2Golf club head groove configurationACUSHNET CO·Filed 2008·Granted Jan 4, 2011·28 cites·17 claims
- 3686US12243085B1Method and system for sales of golf equipmentCOBRA GOLF INC·Filed 2020·Granted Mar 4, 2025·2 cites·25 claims
- 3786US8449408B2Iron-type golf clubsCLAUSEN KARL A·Filed 2011·Granted May 28, 2013·14 cites·12 claims
- 3886USD470552SGolf club headCALLAWAY GOLF CO·Filed 2002·Granted Feb 18, 2003·37 cites·1 claims
- 3985US8342982B2Metal wood club with improved hitting faceACUSHNET CO·Filed 2010·Granted Jan 1, 2013·16 cites·20 claims
- 4085US8177657B2Quick release connection system for golf clubsCLAUSEN KARL A·Filed 2011·Granted May 15, 2012·11 cites·10 claims
- 4185US8083607B2Iron-type golf clubsCLAUSEN KARL A·Filed 2008·Granted Dec 27, 2011·21 cites·13 claims
- 4283US8262497B2Golf club having removable sole weight using custom and interchangeable panelsBREIER JOSHUA G·Filed 2011·Granted Sep 11, 2012·9 cites·19 claims
- 4383USD533245SGolf club headCALLAWAY GOLF CO·Filed 2005·Granted Dec 5, 2006·28 cites·1 claims
- 4482US9114294B2Distance gapping golf club set with dual-range clubCLAUSEN KARL A·Filed 2012·Granted Aug 25, 2015·12 cites·5 claims
- 4582US9114292B2Golf club head with stablizing soleCLAUSEN KARL A·Filed 2012·Granted Aug 25, 2015·10 cites·7 claims
- 4680US7250008B2Iron golf clubCALLAWAY GOLF CO·Filed 2005·Granted Jul 31, 2007·16 cites·20 claims
- 4778USD577088SGolf club headACUSHNET CO·Filed 2007·Granted Sep 16, 2008·22 cites·1 claims
- 4878USD470203SGolf club headCALLAWAY GOLF CO·Filed 2002·Granted Feb 11, 2003·25 cites·1 claims
- 4977USD537138SIron golf club headACUSHNET CO·Filed 2006·Granted Feb 20, 2007·22 cites·1 claims
- 5076USD591808SIron golf club headACUSHNET CO·Filed 2008·Granted May 5, 2009·22 cites·1 claims
Showing the top 50 of 85 patent records by PatentIndex Score.
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