Inventor
HUFFMAN JOHN SINCLAIR
US96 patents
⚠️ This page may combine multiple inventors who share the name “HUFFMAN JOHN SINCLAIR”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AT & T CORP
41 patentsUS6808116B1Oct 26, 2004
Fiber jumpers with data storage method and apparatus
AT & T CORP256 citations99
US5644237AJul 1, 1997
Method and apparatus for precisely locating a buried utility conveyance
AT & T CORP158 citations99
US6650293B1Nov 18, 2003
Technique for providing conveyance locating information
AT & T CORP98 citations97
US6294022B1Sep 25, 2001
Spray paint marking tool
AT & T CORP68 citations96
US6205397B1Mar 20, 2001
Route engineering technique
AT & T CORP55 citations96
US6169517B1Jan 2, 2001
Technique for screening work requests
AT & T CORP105 citations96
US6674518B1Jan 6, 2004
Method and apparatus for optical time domain reflectometry (OTDR) analysis
AT & T CORP62 citations95
US7289729B1Oct 30, 2007
Optoelectronic marker for determining ownership of fiber optic cable
AT & T CORP16 citations93
US6741081B1May 25, 2004
Cable fault detector
AT & T CORP28 citations93
US6735875B1May 18, 2004
Tool for removing duct surrounding a fiber optic cable
AT & T CORP26 citations93
US6614968B1Sep 2, 2003
Spare fiber monitoring arrangement
AT & T CORP22 citations93
US6591055B1Jul 8, 2003
Sheath bonding arrangement for fiber optic cable splices
AT & T CORP30 citations93
US6512451B1Jan 28, 2003
Manhole vehicle sensor
AT & T CORP20 citations93
US6373252B1Apr 16, 2002
Method and apparatus locating a cable in a pipe
AT & T CORP28 citations93
US6353320B1Mar 5, 2002
Conveyance locating system and method for multiple conveyances on the same right-of-way
AT & T CORP23 citations93
US6273621B1Aug 14, 2001
In-line fiber optic cable splice and method of using the same
AT & T CORP22 citations93
US6215888B1Apr 10, 2001
Cable location method and apparatus using modeling data
AT & T CORP31 citations93
US6148123ANov 14, 2000
Method and apparatus for measuring optical distances
AT & T CORP32 citations93
US6075481AJun 13, 2000
Spatial position mapping technique
AT & T CORP51 citations93
US6044744AApr 4, 2000
Fiber optic cable sheath removal tool
AT & T CORP28 citations93
US5991013ANov 23, 1999
Conveyance warning member with sacrificial fiber
AT & T CORP22 citations93
US5949373ASep 7, 1999
Automated cable installation method and apparatus
AT & T CORP26 citations93
US5798644AAug 25, 1998
Method and apparatus for locating buried conveyances using locating & confirmation signals with an array of sensors
AT & T CORP42 citations93
US6604403B1Aug 12, 2003
Pocket crimper for fiber optic cables
AT & T CORP40 citations92
US6148521ANov 21, 2000
Method and apparatus for slitting optical power ground wires
AT & T CORP26 citations91
US6762695B1Jul 13, 2004
Radio tower lighting system
AT & T CORP33 citations89
US7006211B1Feb 28, 2006
Aerial utility inspection method and apparatus
AT & T CORP14 citations84
US6439628B1Aug 27, 2002
Manhole cover removal tool
AT & T CORP16 citations84
US6164609ADec 26, 2000
Utility pole anchor for restoration cable support
AT & T CORP18 citations84
US6141878ANov 7, 2000
Encapsulant cutting tool for fiber optic cables
AT & T CORP16 citations84
US6020815AFeb 1, 2000
Utility right-of-way safety monitor
AT & T CORP18 citations84
US5754285AMay 19, 1998
Method and apparatus for remotely testing optical fiber splices via optical time domain reflectometry
AT & T CORP19 citations84
US7256878B1Aug 14, 2007
Application of statistical inference to optical time domain reflectometer data
AT & T CORP12 citations83
US7030616B1Apr 18, 2006
Underwater cable locating device
AT & T CORP11 citations83
US7023218B1Apr 4, 2006
Method and apparatus for testing filter/protector units for fiber optic cables
AT & T CORP5 citations74
US6976192B1Dec 13, 2005
Data marker having record keeping ability
AT & T CORP7 citations74
US6882283B1Apr 19, 2005
Cable plow installation monitor method and apparatus
AT & T CORP6 citations74
US6873160B1Mar 29, 2005
Method and apparatus for testing filter/protector units for fiber optic cables
AT & T CORP6 citations74
US6609855B1Aug 26, 2003
Color-pigmented utility conveyance
AT & T CORP9 citations74
US6349460B1Feb 26, 2002
Fiber installation method and apparatus
AT & T CORP12 citations74
US6332738B1Dec 25, 2001
Fiber optic cable installation method and apparatus
AT & T CORP14 citations74
AT & T IP I LP
3 patentsUS7930859B1Apr 26, 2011
Replacement cable marker pole having rotatable collar for attachment of pole to base
AT & T IP I LP40 citations89
US8937713B2Jan 20, 2015
Long distance optical fiber sensing system and method
AT & T IP I LP5 citations84
US7469101B1Dec 23, 2008
Optoelectronic marker for determining ownership of fiber optic cable
AT & T IP I LP9 citations84
HUFFMAN JOHN SINCLAIR
2 patentsAT & T IP II LP
2 patents(unassigned)
1 patentESLAMBOLCHI HOSSEIN
1 patentShowing the top 50 of 96 patents by PatentIndex Score.