P

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 patents
US6808116B1Oct 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 patents

HUFFMAN JOHN SINCLAIR

2 patents

AT & T IP II LP

2 patents

(unassigned)

1 patent

ESLAMBOLCHI HOSSEIN

1 patent

Showing the top 50 of 96 patents by PatentIndex Score.