Inventor · disambiguated record
Allan I. Krauter
Also filed as: KRAUTER ALLAN · KRAUTER ALLAN I
78 granted patents·12 pending applications·6,151 citations·filing 1986–2022
99Inventor score
Files withWELCH ALLYN INC73GE INSPECTION TECHNOLOGIES LP3DANNA DOMINICK2MCMAHON MICHAEL T2GOLDFAIN ERVIN1
Top patents by PatentIndex Score
90 records- 0199US5018506AFluid controlled biased bending neckWELCH ALLYN INC·Filed 1990·Granted May 28, 1991·116 cites·10 claims
- 0299US5019121AHelical fluid-actuated torsional motorWELCH ALLYN INC·Filed 1990·Granted May 28, 1991·121 cites·12 claims
- 0397US8435175B2Vaginal speculum apparatusMCMAHON MICHAEL T·Filed 2012·Granted May 7, 2013·65 cites·19 claims
- 0497US7722542B2Blood pressure measuring apparatusWELCH ALLYN INC·Filed 2003·Granted May 25, 2010·86 cites·8 claims
- 0597US7029439B2Medical diagnostic instrumentWELCH ALLYN INC·Filed 2003·Granted Apr 18, 2006·1.3k cites·24 claims
- 0696US9883792B2Vaginal speculum apparatusWELCH ALLYN INC·Filed 2016·Granted Feb 6, 2018·42 cites·14 claims
- 0796US4998182AConnector for optical sensorWELCH ALLYN INC·Filed 1990·Granted Mar 5, 1991·162 cites·12 claims
- 0895US4875468AElastomer-ePTFE biopsy channelWELCH ALLYN INC·Filed 1988·Granted Oct 24, 1989·119 cites·7 claims
- 0994US9532706B2Vaginal speculum with illuminatorWELCH ALLYN INC·Filed 2015·Granted Jan 3, 2017·46 cites·18 claims
- 1094US6631287B2Infrared thermometerWELCH ALLYN INC·Filed 2001·Granted Oct 7, 2003·70 cites·137 claims
- 1192US9332898B2Vaginal speculum apparatusWELCH ALLYN INC·Filed 2014·Granted May 10, 2016·46 cites·30 claims
- 1291US8157728B2Vaginal speculumDANNA DOMINICK·Filed 2006·Granted Apr 17, 2012·74 cites·42 claims
- 1391US5203319AFluid controlled biased bending neckWELCH ALLYN INC·Filed 1991·Granted Apr 20, 1993·102 cites·7 claims
- 1491US5191879AVariable focus camera for borescope or endoscopeWELCH ALLYN INC·Filed 1991·Granted Mar 9, 1993·102 cites·10 claims
- 1590US8142352B2Vaginal speculum assembly having portable illuminatorVIVENZIO ROBERT L·Filed 2007·Granted Mar 27, 2012·78 cites·38 claims
- 1689US4649904ABiopsy sealWELCH ALLYN INC·Filed 1986·Granted Mar 17, 1987·329 cites·20 claims
- 1788US5359994AProximal steering cable adjustmentWELCH ALLYN INC·Filed 1994·Granted Nov 1, 1994·406 cites·6 claims
- 1887US10376138B2Vaginal speculum apparatusWELCH ALLYN INC·Filed 2018·Granted Aug 13, 2019·3 cites·31 claims
- 1987US7276025B2Electrical adapter for medical diagnostic instruments using LEDs as illumination sourcesWELCH ALLYN INC·Filed 2003·Granted Oct 2, 2007·165 cites·80 claims
- 2087US6390625B1Focusing mechanismWELCH ALLYN INC·Filed 2001·Granted May 21, 2002·195 cites·35 claims
- 2186US7784940B2Eye viewing device comprising video capture opticsWELCH ALLYN INC·Filed 2007·Granted Aug 31, 2010·28 cites·10 claims
- 2286US7422559B2Borescope comprising fluid supply systemGE INSPECTION TECHNOLOGIES LP·Filed 2004·Granted Sep 9, 2008·28 cites·21 claims
- 2386US5052803AMushroom hook cap for borescopeWELCH ALLYN INC·Filed 1989·Granted Oct 1, 1991·53 cites·17 claims
- 2486US4787369AForce relieving, force limiting self-adjusting steering for borescope or endoscopeWELCH ALLYN INC·Filed 1987·Granted Nov 29, 1988·225 cites·7 claims
- 2584US5140975AInsertion tube assembly for probe with biased bending neckWELCH ALLYN INC·Filed 1991·Granted Aug 25, 1992·64 cites·8 claims
- 2684US5014600ABistep terminator for hydraulic or pneumatic muscleWELCH ALLYN INC·Filed 1990·Granted May 14, 1991·51 cites·17 claims
- 2782US7458934B2Electrical adapter for medical diagnostic instruments using replaceable LEDs as illumination sourcesWELCH ALLYN INC·Filed 2007·Granted Dec 2, 2008·23 cites·33 claims
- 2882US5066122AHooking cap for borescopeWELCH ALLYN INC·Filed 1990·Granted Nov 19, 1991·55 cites·17 claims
- 2982US5031510AEvacuation spring for hydraulic/pneumatic muscleWELCH ALLYN INC·Filed 1990·Granted Jul 16, 1991·30 cites·12 claims
- 3081US5966829AMechanism for measuring deviceWELCH ALLYN INC·Filed 1997·Granted Oct 19, 1999·36 cites·37 claims
- 3180US12262878B2Vaginal speculum apparatusWELCH ALLYN INC·Filed 2022·Granted Apr 1, 2025·0 cites·20 claims
- 3279US8821395B2Vaginal speculum apparatusMCMAHON MICHAEL T·Filed 2006·Granted Sep 2, 2014·13 cites·65 claims
- 3379US8197403B2Otoscopic instrument having tip attachment and ejecting mechanismSTROM JOHN R·Filed 2008·Granted Jun 12, 2012·22 cites·7 claims
- 3479USD416088SVideo colposcopeWELCH ALLYN INC·Filed 1996·Granted Nov 2, 1999·23 cites·1 claims
- 3578US6147705AApparatus and method for video colposcope with electronic green filterWELCH ALLYN INC·Filed 1996·Granted Nov 14, 2000·58 cites·8 claims
- 3678US5014515AHydraulic muscle pumpWELCH ALLYN INC·Filed 1990·Granted May 14, 1991·68 cites·3 claims
- 3778US4762118ASelf-adjusting steering mechanism for borescope, endoscope, or guide tubeWELCH ALLYN INC·Filed 1987·Granted Aug 9, 1988·141 cites·10 claims
- 3877US8376942B2Articulation mechanism for a vaginal speculumWELCH ALLYN INC·Filed 2006·Granted Feb 19, 2013·17 cites·21 claims
- 3975US4962751AHydraulic muscle pumpWELCH ALLYN INC·Filed 1989·Granted Oct 16, 1990·135 cites·7 claims
- 4074US4836189AVideo hysteroscopeWELCH ALLYN INC·Filed 1988·Granted Jun 6, 1989·115 cites·14 claims
- 4173US7354399B2Otoscopic tip element and related method of useWELCH ALLYN INC·Filed 2004·Granted Apr 8, 2008·49 cites·91 claims
- 4272US4714075ABiopsy channel for endoscopeWELCH ALLYN INC·Filed 1986·Granted Dec 22, 1987·98 cites·4 claims
- 4371US5464007AFluid insensitive braking for an endoscopeWELCH ALLYN INC·Filed 1994·Granted Nov 7, 1995·140 cites·25 claims
- 4470US6082170AMechanism for measuring deviceWELCH ALLYN INC·Filed 1999·Granted Jul 4, 2000·23 cites·6 claims
- 4569US11291359B2Vaginal speculum apparatusWELCH ALLYN INC·Filed 2019·Granted Apr 5, 2022·0 cites·17 claims
- 4669US6234972B1Mechanism for measuring deviceWELCH ALLYN INC·Filed 1999·Granted May 22, 2001·23 cites·19 claims
- 4768US7819798B2Insertion tube storage carouselGE INSPECTION TECHNOLOGIES LP·Filed 2006·Granted Oct 26, 2010·6 cites·7 claims
- 4868US4762119ASelf-adjusting steering mechanism for borescope or endoscopeWELCH ALLYN INC·Filed 1987·Granted Aug 9, 1988·84 cites·15 claims
- 4967US7670287B2Medical diagnostic instrumentWELCH ALLYN INC·Filed 2006·Granted Mar 2, 2010·5 cites·11 claims
- 5066USD395084SVideo colposcope with vertical pole supporting fixtureWELCH ALLYN INC·Filed 1996·Granted Jun 9, 1998·14 cites·1 claims
Showing the top 50 of 90 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →