Assignee
WELCH ALLYN INC
US·772 granted patents·175 pending applications·39,945 citations·filing 1975–2025
Top patents by PatentIndex Score
947 records- 0199US9931028B2Replacement light assemblyWELCH ALLYN INC·Filed 2017·Granted Apr 3, 2018·37 cites·20 claims
- 0299US5018506AFluid controlled biased bending neckWELCH ALLYN INC·Filed 1990·Granted May 28, 1991·116 cites·10 claims
- 0399US5019121AHelical fluid-actuated torsional motorWELCH ALLYN INC·Filed 1990·Granted May 28, 1991·121 cites·12 claims
- 0498USD959661SMedical viewing deviceWELCH ALLYN INC·Filed 2021·Granted Aug 2, 2022·7 cites·1 claims
- 0598US10028648B2Borescopic optical system for medical diagnostic instruments and medical diagnostic instruments having interlocking assembly featuresWELCH ALLYN INC·Filed 2017·Granted Jul 24, 2018·40 cites·19 claims
- 0698US9155484B2Body worn physiological sensor device having a disposable electrode moduleWELCH ALLYN INC·Filed 2015·Granted Oct 13, 2015·149 cites·20 claims
- 0798US9153994B2Motion sensitive and capacitor powered handheld deviceWELCH ALLYN INC·Filed 2012·Granted Oct 6, 2015·1k cites·17 claims
- 0898US7515044B2Personal status physiologic monitor system and architecture and related monitoring methodsWELCH ALLYN INC·Filed 2006·Granted Apr 7, 2009·192 cites·14 claims
- 0998US7515043B2Personal status physiologic monitor system and architecture and related monitoring methodsWELCH ALLYN INC·Filed 2006·Granted Apr 7, 2009·255 cites·14 claims
- 1098US7382247B2Personal status physiologic monitor system and architecture and related monitoring methodsWELCH ALLYN INC·Filed 2005·Granted Jun 3, 2008·548 cites·56 claims
- 1198US6655595B1Bar code reader configured to read fine print bar code symbolsWELCH ALLYN INC·Filed 2001·Granted Dec 2, 2003·225 cites·38 claims
- 1298US6637658B2Optical reader having partial frame operating modeWELCH ALLYN INC·Filed 2001·Granted Oct 28, 2003·301 cites·17 claims
- 1398US6015088ADecoding of real time video imagingWELCH ALLYN INC·Filed 1997·Granted Jan 18, 2000·450 cites·25 claims
- 1498US5949052AObject sensor system for stationary position optical readerWELCH ALLYN INC·Filed 1997·Granted Sep 7, 1999·380 cites·20 claims
- 1598US5932862AOptical reader having improved scanning-decoding featuresWELCH ALLYN INC·Filed 1996·Granted Aug 3, 1999·372 cites·58 claims
- 1698US5825006AOptical reader having improved autodiscrimination featuresWELCH ALLYN INC·Filed 1996·Granted Oct 20, 1998·414 cites·52 claims
- 1798US5773810AMethod for generating real time degree of focus signal for handheld imaging deviceWELCH ALLYN INC·Filed 1996·Granted Jun 30, 1998·393 cites·50 claims
- 1898US5723868AIlluminating assembly for use with bar code readersWELCH ALLYN INC·Filed 1997·Granted Mar 3, 1998·424 cites·20 claims
- 1998US5591956ATwo dimensional data encoding structure and symbology for use with optical readersWELCH ALLYN INC·Filed 1995·Granted Jan 7, 1997·473 cites·20 claims
- 2098US5420409ABar code scanner providing aural feedbackWELCH ALLYN INC·Filed 1993·Granted May 30, 1995·396 cites·7 claims
- 2198US5286960AMethod of programmable digitization and bar code scanning apparatus employing sameWELCH ALLYN INC·Filed 1991·Granted Feb 15, 1994·380 cites·29 claims
- 2298US4980763ASystem for measuring objects viewed through a borescopeWELCH ALLYN INC·Filed 1989·Granted Dec 25, 1990·144 cites·19 claims
- 2398US4491865AImage sensor assemblyWELCH ALLYN INC·Filed 1982·Granted Jan 1, 1985·396 cites·7 claims
- 2497US7722542B2Blood pressure measuring apparatusWELCH ALLYN INC·Filed 2003·Granted May 25, 2010·86 cites·8 claims
- 2597USD535031SVital signs monitorWELCH ALLYN INC·Filed 2005·Granted Jan 9, 2007·129 cites·1 claims
- 2697US7029439B2Medical diagnostic instrumentWELCH ALLYN INC·Filed 2003·Granted Apr 18, 2006·1.3k cites·24 claims
- 2797US6097856AApparatus and method for reducing imaging errors in imaging systems having an extended depth of fieldWELCH ALLYN INC·Filed 1998·Granted Aug 1, 2000·275 cites·64 claims
- 2897US6045047ATwo-dimensional part reader having a focussing guideWELCH ALLYN INC·Filed 1998·Granted Apr 4, 2000·366 cites·24 claims
- 2997US5992744AOptical reader having multiple scanning assemblies with simultaneously decoded outputsWELCH ALLYN INC·Filed 1997·Granted Nov 30, 1999·332 cites·10 claims
- 3097US5929418AOptical reader having improved menuing featuresWELCH ALLYN INC·Filed 1996·Granted Jul 27, 1999·364 cites·59 claims
- 3197US5914476AOptical reader configured to accurately and rapidly read multiple symbolsWELCH ALLYN INC·Filed 1997·Granted Jun 22, 1999·331 cites·26 claims
- 3297US5900613AOptical reader having improved reprogramming featuresWELCH ALLYN INC·Filed 1996·Granted May 4, 1999·342 cites·5 claims
- 3397US5786586AHand-held optical reader having a detachable lens-guide assemblyWELCH ALLYN INC·Filed 1996·Granted Jul 28, 1998·367 cites·7 claims
- 3497US5773806AMethod and apparatus for capturing a decodable representation of a 2D bar code symbol using a hand-held reader having a 1D image sensorWELCH ALLYN INC·Filed 1995·Granted Jun 30, 1998·344 cites·23 claims
- 3597US5723853ABar code readerWELCH ALLYN INC·Filed 1997·Granted Mar 3, 1998·344 cites·12 claims
- 3697USD358471SCombined control handle and viewing screen for an endoscopeWELCH ALLYN INC·Filed 1993·Granted May 16, 1995·103 cites·1 claims
- 3797US5319182AIntegrated solid state light emitting and detecting array and apparatus employing said arrayWELCH ALLYN INC·Filed 1992·Granted Jun 7, 1994·257 cites·29 claims
- 3897US5294783AAnalog reconstruction circuit and bar code reading apparatus employing sameWELCH ALLYN INC·Filed 1992·Granted Mar 15, 1994·335 cites·11 claims
- 3997US4941456APortable color imager borescopeWELCH ALLYN INC·Filed 1989·Granted Jul 17, 1990·169 cites·16 claims
- 4097US4261344AColor endoscopeWELCH ALLYN INC·Filed 1979·Granted Apr 14, 1981·168 cites·7 claims
- 4197US4253447AColor endoscope with charge coupled device and television viewingWELCH ALLYN INC·Filed 1978·Granted Mar 3, 1981·191 cites·8 claims
- 4296US9883792B2Vaginal speculum apparatusWELCH ALLYN INC·Filed 2016·Granted Feb 6, 2018·42 cites·14 claims
- 4396US9757031B2Ophthalmoscope deviceWELCH ALLYN INC·Filed 2015·Granted Sep 12, 2017·29 cites·19 claims
- 4496US8965492B2Body worn physiological sensor device having a disposable electrode moduleWELCH ALLYN INC·Filed 2014·Granted Feb 24, 2015·151 cites·14 claims
- 4596US7572056B2Probe cover for thermometry apparatusWELCH ALLYN INC·Filed 2004·Granted Aug 11, 2009·92 cites·38 claims
- 4696US6468201B1Apparatus using PNP bipolar transistor as buffer to drive video signalWELCH ALLYN INC·Filed 2001·Granted Oct 22, 2002·104 cites·9 claims
- 4796US5965863AOptical reader system comprising local host processor and optical readerWELCH ALLYN INC·Filed 1997·Granted Oct 12, 1999·281 cites·35 claims
- 4896US5942741AApparatus for optimizing throughput in decoded-output scanners and method of using sameWELCH ALLYN INC·Filed 1997·Granted Aug 24, 1999·308 cites·31 claims
- 4996US5479515AOne-dimensional bar code symbology and method of using sameWELCH ALLYN INC·Filed 1994·Granted Dec 26, 1995·246 cites·18 claims
- 5096US5463214AApparatus for optimizing throughput in decoded-output scanners and method of using sameWELCH ALLYN INC·Filed 1994·Granted Oct 31, 1995·278 cites·8 claims
Showing the top 50 of 947 patent records by PatentIndex Score.
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