Inventor · disambiguated record
David G. Perkins
Also filed as: PERKINS DAVID · PERKINS DAVID G · PERKINS DAVID GREGORY · PERKINS JR DAVID G
33 granted patents·16 pending applications·1,406 citations·filing 1991–2025
98Inventor score
Top patents by PatentIndex Score
49 records- 0198USD959661SMedical viewing deviceWELCH ALLYN INC·Filed 2021·Granted Aug 2, 2022·7 cites·1 claims
- 0293USD926128SChargerWELCH ALLYN INC·Filed 2020·Granted Jul 27, 2021·7 cites·1 claims
- 0392USD958735SChargerWELCH ALLYN INC·Filed 2021·Granted Jul 26, 2022·4 cites·1 claims
- 0491US8292807B2Mobile medical workstationPERKINS DAVID G·Filed 2010·Granted Oct 23, 2012·137 cites·7 claims
- 0590USD897185SHandleWELCH ALLYN INC·Filed 2019·Granted Sep 29, 2020·31 cites·1 claims
- 0688US5588856ASealing member and methods of sealingRAYCHEM CORP·Filed 1992·Granted Dec 31, 1996·98 cites·9 claims
- 0785US11096627B2Medical examination system enabling interchangeable instrument operating modesWELCH ALLYN INC·Filed 2017·Granted Aug 24, 2021·5 cites·15 claims
- 0884US6106457ACompact imaging instrument systemWELCH ALLYN INC·Filed 1998·Granted Aug 22, 2000·403 cites·73 claims
- 0983USD897186SHandleWELCH ALLYN INC·Filed 2019·Granted Sep 29, 2020·20 cites·1 claims
- 1083USD897184SHandleWELCH ALLYN INC·Filed 2019·Granted Sep 29, 2020·20 cites·1 claims
- 1182US10861352B2Ophthalmological teaching aidWELCH ALLYN INC·Filed 2018·Granted Dec 8, 2020·3 cites·20 claims
- 1278USD905238SMedical viewing deviceWELCH ALLYN INC·Filed 2018·Granted Dec 15, 2020·11 cites·1 claims
- 1377USD905239SMedical viewing deviceWELCH ALLYN INC·Filed 2019·Granted Dec 15, 2020·10 cites·1 claims
- 1475US12490894B2Physical assessment deviceWELCH ALLYN INC·Filed 2021·Granted Dec 9, 2025·0 cites·20 claims
- 1573USD905237SMedical viewing deviceWELCH ALLYN INC·Filed 2018·Granted Dec 15, 2020·9 cites·1 claims
- 1667US5919130AVideo otoscopeWELCH ALLYN INC·Filed 1997·Granted Jul 6, 1999·139 cites·75 claims
- 1766US6393431B1Compact imaging instrument systemWELCH ALLYN INC·Filed 1998·Granted May 21, 2002·135 cites·21 claims
- 1863US2021361241A1Medical examination system enabling interchangeable operating modesWELCH ALLYN INC·Filed 2021·Application pending·0 cites
- 1963US2025191736A1Workflows and graphical user interfaces for optical viewing devicesWELCH ALLYN INC·Filed 2024·Application pending·0 cites
- 2062USD905240SMedical viewing deviceWELCH ALLYN INC·Filed 2019·Granted Dec 15, 2020·5 cites·1 claims
- 2162USD432153SDigital camera adapterWELCH ALLYN INC·Filed 1999·Granted Oct 17, 2000·14 cites·1 claims
- 2261US6142934AObjective lens system for imaging instrumentWELCH ALLYN INC·Filed 1998·Granted Nov 7, 2000·113 cites·20 claims
- 2361US6007204ACompact ocular measuring systemWELCH ALLYN INC·Filed 1998·Granted Dec 28, 1999·121 cites·47 claims
- 2458USD958341SMedical viewing deviceWELCH ALLYN INC·Filed 2020·Granted Jul 19, 2022·1 cites·1 claims
- 2558USD958340SMedical viewing deviceWELCH ALLYN INC·Filed 2020·Granted Jul 19, 2022·1 cites·1 claims
- 2658USD958339SMedical viewing deviceWELCH ALLYN INC·Filed 2020·Granted Jul 19, 2022·1 cites·1 claims
- 2758US10010287B2Mobile medical workstationPERKINS DAVID G·Filed 2012·Granted Jul 3, 2018·1 cites·16 claims
- 2858US2025025033A1Image streaming for optical viewing devicesWELCH ALLYN INC·Filed 2024·Application pending·0 cites
- 2958US2025176821A1Display system for manually guided visual examinationWELCH ALLYN INC·Filed 2024·Application pending·0 cites
- 3057US2018289312A1Mobile medical workstationWELCH ALLYN INC·Filed 2018·Application pending·0 cites
- 3155US2024388777A1Imaging for optical viewing devicesWELCH ALLYN INC·Filed 2024·Application pending·0 cites
- 3253US12268366B2Increasing battery life in handheld deviceWELCH ALLYN INC·Filed 2022·Granted Apr 8, 2025·0 cites·18 claims
- 3352US2022330793A1Visually linear and discrete dimming for ophthalmoscopes and otoscopes and other medical examination or diagnostic instrumentsWELCH ALLYN INC·Filed 2022·Application pending·0 cites
- 3452US2009221880A1Diagnostic instrument workstationWELCH ALLYN INC·Filed 2009·Application pending·0 cites
- 3551USD935999SChargerWELCH ALLYN INC·Filed 2019·Granted Nov 16, 2021·4 cites·1 claims
- 3651US2008281167A1Diagnostic instrument workstationWELCH ALLYN INC·Filed 2008·Application pending·0 cites
- 3750US2006155589A1Portable vital signs measurement instrument and method of use thereofWELCH ALLYN INC·Filed 2005·Application pending·0 cites
- 3850US2010010320A1Mobile medical workstation and a temporarily associating mobile computing devicePERKINS DAVID G·Filed 2009·Application pending·0 cites
- 3948US2025261859A1Medical imaging deviceWELCH ALLYN INC·Filed 2025·Application pending·0 cites
- 4047US2024404062A1Image capture for optical viewing devicesWELCH ALLYN INC·Filed 2024·Application pending·0 cites
- 4146US6010450AMeasuring adapter for viewing instrumentWELCH ALLYN INC·Filed 1998·Granted Jan 4, 2000·44 cites·20 claims
- 4246US2005288571A1Mobile medical workstationWELCH ALLYN INC·Filed 2005·Application pending·0 cites
- 4345USD958342SMedical viewing deviceWELCH ALLYN INC·Filed 2020·Granted Jul 19, 2022·0 cites·1 claims
- 4442US2007185390A1Information workflow for a medical diagnostic workstationWELCH ALLYN INC·Filed 2007·Application pending·0 cites
- 4541US5202710AFixation card attachment for retinoscopeWELCH ALLYN INC·Filed 1991·Granted Apr 13, 1993·28 cites·10 claims
- 4640US2004186357A1Diagnostic instrument workstationWELCH ALLYN INC·Filed 2003·Application pending·0 cites
- 4738US5200772AFilter apparatus for retinoscopeWELCH ALLYN INC·Filed 1991·Granted Apr 6, 1993·22 cites·11 claims
- 4836US12490903B2Dermal image captureWELCH ALLYN INC·Filed 2021·Granted Dec 9, 2025·0 cites·10 claims
- 4933US5189449ARetinoscope with external control sleeveWELCH ALLYN INC·Filed 1991·Granted Feb 23, 1993·12 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →