Inventor · disambiguated record
John Sinclair Huffman
Also filed as: HUFFMAN JOHN · HUFFMAN JOHN S · HUFFMAN JOHN SINCLAIR
105 granted patents·4 pending applications·2,068 citations·filing 1995–2014
99Inventor score
Top patents by PatentIndex Score
109 records- 0199US6808116B1Fiber jumpers with data storage method and apparatusAT & T CORP·Filed 2002·Granted Oct 26, 2004·256 cites·12 claims
- 0297US6650293B1Technique for providing conveyance locating informationAT & T CORP·Filed 2001·Granted Nov 18, 2003·98 cites·10 claims
- 0395US8131121B2Optical fiber pipeline monitoring system and methodHUFFMAN JOHN S·Filed 2009·Granted Mar 6, 2012·52 cites·16 claims
- 0495US7536102B1Method and apparatus for fiber optic fault locating and mappingAT & T CORP·Filed 2005·Granted May 19, 2009·40 cites·8 claims
- 0595US5644237AMethod and apparatus for precisely locating a buried utility conveyanceAT & T CORP·Filed 1995·Granted Jul 1, 1997·158 cites·8 claims
- 0694US6674518B1Method and apparatus for optical time domain reflectometry (OTDR) analysisAT & T CORP·Filed 2002·Granted Jan 6, 2004·62 cites·8 claims
- 0793US7930859B1Replacement cable marker pole having rotatable collar for attachment of pole to baseAT & T IP I LP·Filed 2005·Granted Apr 26, 2011·40 cites·16 claims
- 0888US7800743B1Method and apparatus for fiber optic signature recognitionAT & T CORP·Filed 2006·Granted Sep 21, 2010·17 cites·21 claims
- 0987US6741081B1Cable fault detectorAT & T CORP·Filed 2003·Granted May 25, 2004·28 cites·19 claims
- 1086US8144333B2Optical fiber structure monitoring and analysisHUFFMAN JOHN SINCLAIR·Filed 2009·Granted Mar 27, 2012·12 cites·19 claims
- 1186US6604403B1Pocket crimper for fiber optic cablesAT & T CORP·Filed 2001·Granted Aug 12, 2003·40 cites·8 claims
- 1285US7469101B1Optoelectronic marker for determining ownership of fiber optic cableAT & T IP I LP·Filed 2007·Granted Dec 23, 2008·9 cites·4 claims
- 1385US7256878B1Application of statistical inference to optical time domain reflectometer dataAT & T CORP·Filed 2006·Granted Aug 14, 2007·12 cites·19 claims
- 1485US6591055B1Sheath bonding arrangement for fiber optic cable splicesAT & T CORP·Filed 2001·Granted Jul 8, 2003·30 cites·20 claims
- 1585US6294022B1Spray paint marking toolAT & T CORP·Filed 1999·Granted Sep 25, 2001·68 cites·2 claims
- 1684US6169517B1Technique for screening work requestsAT & T CORP·Filed 1999·Granted Jan 2, 2001·105 cites·11 claims
- 1783US8610886B2Long distance optical fiber sensing system and methodAT & T IP I LP·Filed 2012·Granted Dec 17, 2013·3 cites·13 claims
- 1883US6735875B1Tool for removing duct surrounding a fiber optic cableAT & T CORP·Filed 2002·Granted May 18, 2004·26 cites·8 claims
- 1982US5778114AFiber analysis method and apparatusFiled 1997·Granted Jul 7, 1998·67 cites·21 claims
- 2081US6614968B1Spare fiber monitoring arrangementAT & T CORP·Filed 2002·Granted Sep 2, 2003·22 cites·11 claims
- 2179US8937713B2Long distance optical fiber sensing system and methodAT & T IP I LP·Filed 2013·Granted Jan 20, 2015·5 cites·19 claims
- 2278US7287990B1Method and apparatus for grounding a cableAT & T CORP·Filed 2006·Granted Oct 30, 2007·18 cites·20 claims
- 2378US7289729B1Optoelectronic marker for determining ownership of fiber optic cableAT & T CORP·Filed 2002·Granted Oct 30, 2007·16 cites·4 claims
- 2476US7605912B1Application of statistical inference to optical time domain reflectometer dataAT & T CORP·Filed 2008·Granted Oct 20, 2009·5 cites·10 claims
- 2575US7030616B1Underwater cable locating deviceAT & T CORP·Filed 2004·Granted Apr 18, 2006·11 cites·8 claims
- 2675US6512451B1Manhole vehicle sensorAT & T CORP·Filed 2000·Granted Jan 28, 2003·20 cites·15 claims
- 2775US6439628B1Manhole cover removal toolAT & T CORP·Filed 2001·Granted Aug 27, 2002·16 cites·3 claims
- 2875US6205397B1Route engineering techniqueAT & T CORP·Filed 1999·Granted Mar 20, 2001·55 cites·14 claims
- 2974US8073294B2Remote optical fiber surveillance system and methodHUFFMAN JOHN SINCLAIR·Filed 2008·Granted Dec 6, 2011·8 cites·20 claims
- 3074US7844178B1Local area warning of optical fiber intrusionAT & T IP II LP·Filed 2007·Granted Nov 30, 2010·6 cites·12 claims
- 3173US8121442B2Optical fiber surveillance topologyHUFFMAN JOHN SINCLAIR·Filed 2008·Granted Feb 21, 2012·13 cites·18 claims
- 3273US7711264B1Local area warning of optical fiber intrusionAT & T IP II LP·Filed 2007·Granted May 4, 2010·5 cites·11 claims
- 3372US6762695B1Radio tower lighting systemAT & T CORP·Filed 2002·Granted Jul 13, 2004·33 cites·9 claims
- 3471US7306100B1Protective cover for fiber cable reels and method for protecting sameESLAMBOLCHI HOSSEIN·Filed 2003·Granted Dec 11, 2007·10 cites·16 claims
- 3571US5949373AAutomated cable installation method and apparatusAT & T CORP·Filed 1998·Granted Sep 7, 1999·26 cites·8 claims
- 3670US6373252B1Method and apparatus locating a cable in a pipeAT & T CORP·Filed 2000·Granted Apr 16, 2002·28 cites·11 claims
- 3768US6332738B1Fiber optic cable installation method and apparatusAT & T CORP·Filed 2000·Granted Dec 25, 2001·14 cites·12 claims
- 3867US6989893B1Application of statistical inference to optical time domain reflectometer dataAT & T CORP·Filed 2004·Granted Jan 24, 2006·8 cites·22 claims
- 3967US6075481ASpatial position mapping techniqueAT & T CORP·Filed 1999·Granted Jun 13, 2000·51 cites·8 claims
- 4067US5798644AMethod and apparatus for locating buried conveyances using locating & confirmation signals with an array of sensorsAT & T CORP·Filed 1997·Granted Aug 25, 1998·42 cites·12 claims
- 4166US8013987B2Method and apparatus for fiber optic signature recognitionAT & T IP II LP·Filed 2010·Granted Sep 6, 2011·2 cites·17 claims
- 4266US7235960B1Ground control unit for cable locatingAT & T CORP·Filed 2005·Granted Jun 26, 2007·4 cites·8 claims
- 4366US6353320B1Conveyance locating system and method for multiple conveyances on the same right-of-wayAT & T CORP·Filed 2000·Granted Mar 5, 2002·23 cites·7 claims
- 4466US6044744AFiber optic cable sheath removal toolAT & T CORP·Filed 1998·Granted Apr 4, 2000·28 cites·12 claims
- 4565US6792079B1Remote access for cable locator systemAT & T CORP·Filed 2002·Granted Sep 14, 2004·11 cites·9 claims
- 4665US6148123AMethod and apparatus for measuring optical distancesAT & T CORP·Filed 1999·Granted Nov 14, 2000·32 cites·18 claims
- 4763US7006211B1Aerial utility inspection method and apparatusAT & T CORP·Filed 2002·Granted Feb 28, 2006·14 cites·16 claims
- 4861US7579962B1Duct mapping device using sondeAT & T IP II LP·Filed 2005·Granted Aug 25, 2009·5 cites·5 claims
- 4961US6964098B1Mid-sheath cable preparation toolAT & T CORP·Filed 2003·Granted Nov 15, 2005·7 cites·19 claims
- 5061US6758499B1System and method for repairing a conduitAT & T CORP·Filed 2002·Granted Jul 6, 2004·11 cites·13 claims
Showing the top 50 of 109 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →