Inventor · disambiguated record
Kevin R. Colwell
Also filed as: COLWELL KEVIN · COLWELL KEVIN R
92 granted patents·33 pending applications·4,040 citations·filing 1987–2025
99Inventor score
Top patents by PatentIndex Score
125 records- 0199US12035070B2Caption modification and augmentation systems and methods for use by hearing assisted userULTRATEC INC·Filed 2022·Granted Jul 9, 2024·5 cites·20 claims
- 0299US10389876B2Semiautomated relay method and apparatusULTRATEC INC·Filed 2015·Granted Aug 20, 2019·137 cites·61 claims
- 0398US12136425B2Semiautomated relay method and apparatusULTRATEC INC·Filed 2023·Granted Nov 5, 2024·3 cites·38 claims
- 0498US12136426B2Semiautomated relay method and apparatusULTRATEC INC·Filed 2023·Granted Nov 5, 2024·4 cites·32 claims
- 0598US11664029B2Semiautomated relay method and apparatusULTRATEC INC·Filed 2020·Granted May 30, 2023·10 cites·42 claims
- 0698US11539900B2Caption modification and augmentation systems and methods for use by hearing assisted userULTRATEC INC·Filed 2021·Granted Dec 27, 2022·11 cites·19 claims
- 0798US10491746B2Captioned telephone serviceULTRATEC INC·Filed 2015·Granted Nov 26, 2019·31 cites·17 claims
- 0898US10469660B2Device independent text captioned telephone serviceULTRATEC INC·Filed 2016·Granted Nov 5, 2019·34 cites·45 claims
- 0998US8917821B2Device independent text captioned telephone serviceENGELKE ROBERT M·Filed 2013·Granted Dec 23, 2014·77 cites·8 claims
- 1098US8917822B2System for text assisted telephonyULTRATEC INC·Filed 2014·Granted Dec 23, 2014·58 cites·29 claims
- 1198US8908838B2System for text assisted telephonyULTRATEC INC·Filed 2014·Granted Dec 9, 2014·66 cites·30 claims
- 1298US8416925B2Device independent text captioned telephone serviceENGELKE ROBERT M·Filed 2008·Granted Apr 9, 2013·80 cites·26 claims
- 1398US7660398B2Captioned telephone serviceULTRATEC INC·Filed 2005·Granted Feb 9, 2010·101 cites·13 claims
- 1498US7319740B2System for text assisted telephonyULTRATEC INC·Filed 2005·Granted Jan 15, 2008·88 cites·2 claims
- 1598US6603835B2System for text assisted telephonyULTRATEC INC·Filed 2001·Granted Aug 5, 2003·153 cites·8 claims
- 1697US12137183B2Semiautomated relay method and apparatusULTRATEC INC·Filed 2023·Granted Nov 5, 2024·3 cites·36 claims
- 1797US11627221B2Semiautomated relay method and apparatusULTRATEC INC·Filed 2020·Granted Apr 11, 2023·6 cites·46 claims
- 1897US11368581B2Semiautomated relay method and apparatusULTRATEC INC·Filed 2020·Granted Jun 21, 2022·9 cites·75 claims
- 1997US10587751B2Captioned telephone serviceULTRATEC INC·Filed 2013·Granted Mar 10, 2020·31 cites·33 claims
- 2097US9350857B1911 call assistance for assisted device userENGELKE ROBERT M·Filed 2014·Granted May 24, 2016·36 cites·5 claims
- 2196US12488799B2Semiautomated relay method and apparatusULTRATEC INC·Filed 2023·Granted Dec 2, 2025·1 cites·32 claims
- 2296US10601980B1Captioning system and method for the vision impairedULTRATEC INC·Filed 2015·Granted Mar 24, 2020·13 cites·13 claims
- 2396US9967380B2System for text assisted telephonyULTRATEC INC·Filed 2016·Granted May 8, 2018·13 cites·63 claims
- 2496US7881441B2Device independent text captioned telephone serviceULTRATEC INC·Filed 2006·Granted Feb 1, 2011·109 cites·42 claims
- 2596US7003082B2System for text assisted telephonyULTRATEC INC·Filed 2003·Granted Feb 21, 2006·97 cites·1 claims
- 2696US6307921B1Text enhanced telephonyULTRATEC INC·Filed 2000·Granted Oct 23, 2001·126 cites·1 claims
- 2795US11825008B2911 call assistance for assisted device userULTRATEC INC·Filed 2023·Granted Nov 21, 2023·3 cites·15 claims
- 2895US10051120B2Communication device and methods for use by hearing impairedULTRATEC INC·Filed 2014·Granted Aug 14, 2018·17 cites·19 claims
- 2995US6510206B2Relay for personal interpreterULTRATEC INC·Filed 2001·Granted Jan 21, 2003·118 cites·13 claims
- 3094US11741963B2Semiautomated relay method and apparatusULTRATEC INC·Filed 2018·Granted Aug 29, 2023·7 cites·39 claims
- 3194US11588936B2Communication device and methods for use by hearing impairedULTRATEC INC·Filed 2021·Granted Feb 21, 2023·3 cites·20 claims
- 3294US10742805B2Semiautomated relay method and apparatusULTRATEC INC·Filed 2017·Granted Aug 11, 2020·11 cites·43 claims
- 3394US9961196B2System for text assisted telephonyULTRATEC INC·Filed 2016·Granted May 1, 2018·9 cites·28 claims
- 3494US8213578B2System for text assisted telephonyENGLEKE ROBERT M·Filed 2007·Granted Jul 3, 2012·76 cites·11 claims
- 3594US6549611B2Text enhanced telephonyULTRATEC INC·Filed 2001·Granted Apr 15, 2003·97 cites·1 claims
- 3694US6493426B2Relay for personal interpreterULTRATEC INC·Filed 2001·Granted Dec 10, 2002·108 cites·7 claims
- 3794USD364865SText telephoneULTRATEC INC·Filed 1994·Granted Dec 5, 1995·68 cites·1 claims
- 3893US12166920B2Communication device and methods for use by hearing impairedULTRATEC INC·Filed 2023·Granted Dec 10, 2024·1 cites·36 claims
- 3993US6934366B2Relay for personal interpreterULTRATEC INC·Filed 2002·Granted Aug 23, 2005·82 cites·1 claims
- 4093US6885731B2Captioned telephone with emergency access featureFiled 2003·Granted Apr 26, 2005·97 cites·6 claims
- 4193US6748053B2Relay for personal interpreterFiled 2003·Granted Jun 8, 2004·84 cites·1 claims
- 4293US5081673AVoice bridge for relay centerENGELKE ROBERT M·Filed 1990·Granted Jan 14, 1992·187 cites·17 claims
- 4393US2025391402A1Semiautomated relay method and apparatusULTRATEC INC·Filed 2025·Application pending·0 cites
- 4492US11895257B1Text assisted telephony on wireless device method and apparatusULTRATEC INC·Filed 2021·Granted Feb 6, 2024·2 cites·12 claims
- 4592US11856123B1Text assisted telephony on wireless device method and apparatusULTRATEC INC·Filed 2021·Granted Dec 26, 2023·2 cites·47 claims
- 4692US11570300B1Dual compatibility phone systemULTRATEC INC·Filed 2021·Granted Jan 31, 2023·2 cites·20 claims
- 4792US11570291B1Text assisted telephony on wireless device method and apparatusULTRATEC INC·Filed 2021·Granted Jan 31, 2023·2 cites·32 claims
- 4892US10021229B1911 call assistance for assisted device userULTRATEC INC·Filed 2016·Granted Jul 10, 2018·8 cites·22 claims
- 4992US6567503B2Real-time transcription correction systemULTRATEC INC·Filed 2001·Granted May 20, 2003·109 cites·34 claims
- 5092US6504910B1Voice and text transmission systemFiled 2001·Granted Jan 7, 2003·176 cites·21 claims
Showing the top 50 of 125 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →