Inventor · disambiguated record
David N. Heard
Also filed as: HEARD DAVID N · HEARD DAVID NICHOLS
72 granted patents·9 pending applications·13,124 citations·filing 1995–2022
99Inventor score
Top patents by PatentIndex Score
81 records- 0199US10709496B2Surgical forcepsCOVIDIEN LP·Filed 2018·Granted Jul 14, 2020·560 cites·13 claims
- 0299US7137980B2Method and system for controlling output of RF medical generatorSHERWOOD SERV AG·Filed 2003·Granted Nov 21, 2006·2.3k cites·25 claims
- 0398US10335227B2Electrosurgical tissue sealer and cutterCOVIDIEN LP·Filed 2016·Granted Jul 2, 2019·257 cites·14 claims
- 0498US6050996ABipolar electrosurgical instrument with replaceable electrodesSHERWOOD SERV AG·Filed 1997·Granted Apr 18, 2000·2.4k cites·17 claims
- 0598US5658281ABipolar electrosurgical scissors and method of manufactureVALLEYLAB INC·Filed 1995·Granted Aug 19, 1997·2.2k cites·14 claims
- 0697US8668691B2Electrosurgical tissue sealer and cutterCOVIDIEN LP·Filed 2012·Granted Mar 11, 2014·265 cites·18 claims
- 0797US8277446B2Electrosurgical tissue sealer and cutterHEARD DAVID N·Filed 2009·Granted Oct 2, 2012·453 cites·16 claims
- 0897US7879033B2Electrosurgical pencil with advanced ES controlsCOVIDIEN AG·Filed 2006·Granted Feb 1, 2011·351 cites·32 claims
- 0997US7553309B2Electrosurgical system employing multiple electrodes and method thereofCOVIDIEN AG·Filed 2005·Granted Jun 30, 2009·412 cites·18 claims
- 1097USD535396SElectrosurgical pencil with three button controlSHERWOOD SERV AG·Filed 2005·Granted Jan 16, 2007·89 cites·1 claims
- 1197USD521641SElectrosurgical pencil with three button controlSHERWOOD SERV AG·Filed 2003·Granted May 23, 2006·95 cites·1 claims
- 1296US9168089B2Method and system for controlling output of RF medical generatorBUYSSE STEVEN P·Filed 2012·Granted Oct 27, 2015·254 cites·19 claims
- 1396US9113900B2Method and system for controlling output of RF medical generatorBUYSSE STEVEN P·Filed 2012·Granted Aug 25, 2015·256 cites·20 claims
- 1496US8105323B2Method and system for controlling output of RF medical generatorBUYSSE STEVEN P·Filed 2006·Granted Jan 31, 2012·497 cites·18 claims
- 1596US7156842B2Electrosurgical pencil with improved controlsSHERWOOD SERV AG·Filed 2004·Granted Jan 2, 2007·508 cites·71 claims
- 1695US9039691B2Surgical forcepsMOUA TONY·Filed 2012·Granted May 26, 2015·98 cites·21 claims
- 1795US6464704B2Bipolar electrosurgical instrument with replaceable electrodesSHERWOOD SERV AG·Filed 2001·Granted Oct 15, 2002·438 cites·8 claims
- 1894US8398626B2Electrosurgical system employing multiple electrodesBUYSSE STEVEN P·Filed 2011·Granted Mar 19, 2013·75 cites·15 claims
- 1994US8377057B2Cool-tip combined electrode introducerCOVIDIEN AG·Filed 2010·Granted Feb 19, 2013·71 cites·16 claims
- 2094US8062290B2Electrosurgical system employing multiple electrodesBUYSSE STEVEN P·Filed 2010·Granted Nov 22, 2011·86 cites·28 claims
- 2193US10080606B2Method of forming a member of an end effectorCOVIDIEN LP·Filed 2015·Granted Sep 25, 2018·22 cites·10 claims
- 2291US7776035B2Cool-tip combined electrode introducerCOVIDIEN AG·Filed 2005·Granted Aug 17, 2010·79 cites·30 claims
- 2390US7699842B2Electrosurgical system employing multiple electrodes and method thereofCOVIDIEN AG·Filed 2008·Granted Apr 20, 2010·49 cites·15 claims
- 2489US9072524B2Surgical forcepsHEARD DAVID N·Filed 2012·Granted Jul 7, 2015·39 cites·17 claims
- 2589US6402747B1Handswitch cord and circuitSHERWOOD SERV AG·Filed 2001·Granted Jun 11, 2002·337 cites·12 claims
- 2688US9649152B2Surgical forcepsCOVIDIEN LP·Filed 2016·Granted May 16, 2017·6 cites·20 claims
- 2788US6325795B1Replaceable accessory cord and handswitchSHERWOOD SERV AG·Filed 1999·Granted Dec 4, 2001·528 cites·14 claims
- 2887US10342566B2Devices, systems, and methods for cooling a surgical instrumentCOVIDIEN LP·Filed 2017·Granted Jul 9, 2019·6 cites·20 claims
- 2987US7959633B2Electrosurgical pencil with improved controlsCOVIDIEN AG·Filed 2006·Granted Jun 14, 2011·39 cites·19 claims
- 3086US9265570B2Electrosurgical tissue sealer and cutterCOVIDIEN LP·Filed 2014·Granted Feb 23, 2016·16 cites·17 claims
- 3186US7156844B2Electrosurgical pencil with improved controlsSHERWOOD SERV AG·Filed 2003·Granted Jan 2, 2007·169 cites·31 claims
- 3283US8808287B2Suction coagulatorCOVIDIEN LP·Filed 2012·Granted Aug 19, 2014·12 cites·3 claims
- 3383US8672938B2Active cooling system and apparatus for controlling temperature of a fluid used during treatment of biological tissueBUYSSE STEVEN P·Filed 2009·Granted Mar 18, 2014·23 cites·7 claims
- 3482US11241272B2Bipolar electrosurgical instrument with movable electrode and related systems and methodsCOVIDIEN LP·Filed 2020·Granted Feb 8, 2022·1 cites·19 claims
- 3582US10456156B2Devices, systems, and methods for cooling a surgical instrumentCOVIDIEN LP·Filed 2017·Granted Oct 29, 2019·4 cites·20 claims
- 3682US9358028B2Surgical forcepsCOVIDIEN LP·Filed 2015·Granted Jun 7, 2016·3 cites·20 claims
- 3781US8608739B2Electrosurgical devices, systems and methods of using the sameSARTOR JOE D·Filed 2008·Granted Dec 17, 2013·18 cites·11 claims
- 3880US9579117B2Multi-function surgical instrumentsCOVIDIEN LP·Filed 2014·Granted Feb 28, 2017·8 cites·20 claims
- 3980US8328804B2Suction coagulatorHEARD DAVID N·Filed 2008·Granted Dec 11, 2012·16 cites·8 claims
- 4079US9028490B2Suction coagulatorCOVIDIEN LP·Filed 2014·Granted May 12, 2015·7 cites·7 claims
- 4178US9987076B2Multi-function surgical instrumentsCOVIDIEN LP·Filed 2015·Granted Jun 5, 2018·3 cites·12 claims
- 4276US10772642B2Surgical forcepsCOVIDIEN LP·Filed 2017·Granted Sep 15, 2020·2 cites·19 claims
- 4376US8663218B2Electrosurgical pencil including improved controlsHEARD DAVID N·Filed 2008·Granted Mar 4, 2014·9 cites·13 claims
- 4476US8663219B2Electrosurgical pencil including improved controlsHEARD DAVID N·Filed 2008·Granted Mar 4, 2014·9 cites·15 claims
- 4574US12357369B2Bipolar electrosurgical instrument with movable electrode and related systems and methodsCOVIDIEN LP·Filed 2022·Granted Jul 15, 2025·0 cites·20 claims
- 4674US8636733B2Electrosurgical pencil including improved controlsHEARD DAVID N·Filed 2009·Granted Jan 28, 2014·11 cites·8 claims
- 4773US10631914B2Bipolar electrosurgical instrument with movable electrode and related systems and methodsCOVIDIEN LP·Filed 2014·Granted Apr 28, 2020·4 cites·28 claims
- 4872US10912601B2Multi-function surgical instrumentsCOVIDIEN LP·Filed 2017·Granted Feb 9, 2021·1 cites·12 claims
- 4972US8591509B2Electrosurgical pencil including improved controlsFRY MONTE·Filed 2008·Granted Nov 26, 2013·9 cites·26 claims
- 5070US9668763B2System for myomectomy and morcellationCOVIDIEN LP·Filed 2014·Granted Jun 6, 2017·3 cites·9 claims
Showing the top 50 of 81 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →