Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Langley — 13 Patents

Cisco: 9 patents #1,576 of 13,007Top 15%
Philadelphia, PA: #240 of 4,834 inventorsTop 5%
Pennsylvania: #6,020 of 74,527 inventorsTop 9%
Overall (All Time): #362,438 of 4,157,543Top 9%
13 Patents All Time
David Langley has been granted 13 US patents while listed as an inventor at Cisco. The first was granted in 1980 and the most recent in August 2008. David Langley ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list David Langley in Philadelphia, PA, US.

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7411960 Method and apparatus for configuring network devices with subnetworks in an ATM environment and retrieving permanent virtual channel (PVC) configuration information from network devices Gabriel Lee 2008-08-12 $46,521,000
7366189 Method and apparatus for associating PVC identifiers with domain names of home gateways Michael Davison, Rene Tio 2008-04-29 $53,510,000
6909697 Method and apparatus for identifying a maximum frame size 2005-06-21 $117,936,000
6829242 Method and apparatus for associating PVC identifiers with domain names of home gateways Michael Davison, Rene Tio 2004-12-07 $135,509,000
6810040 Method and apparatus for configuring network devices Gabriel Lee 2004-10-26 $200,777,000
6714972 Method and apparatus for configuring network devices with subnetworks in an ATM environment and retrieving permanent virtual channel (PVC) configuration information from network devices Gabriel Lee 2004-03-30 $108,411,000
6700890 Method and apparatus for configuring permanent virtual connection (PVC) information stored on network devices in an ATM network logically configured with subnetworks Gabriel Lee 2004-03-02 $107,741,000
6446122 Method and apparatus for communicating quality of service information among computer communication devices Vipin Rawat 2002-09-03 $159,696,000
6252855 Method and apparatus for identifying a maximum frame size to maintain delay at or below an acceptable level 2001-06-26 $561,785,000
4606499 Variable throat nozzle 1986-08-19
4495543 Accumulator 1985-01-22
4370559 Solar energy system 1983-01-25
D257329 Thermometer 1980-10-14