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

CSCasa Systems: 4 patents #3 of 14Top 25%
Cisco: 4 patents #3,400 of 13,007Top 30%
VLVodafone Group Services Limited: 1 patents #7 of 29Top 25%
IBM: 1 patents #44,878 of 70,183Top 65%
Littleton, MA: #42 of 347 inventorsTop 15%
Massachusetts: #9,700 of 88,656 inventorsTop 15%
Overall (All Time): #362,438 of 4,157,543Top 9%
13 Patents All Time
David Fox has been granted 13 US patents while listed as an inventor at Casa Systems. The first was granted in 2005 and the most recent in November 2014. David Fox ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list David Fox in Littleton, MA, US.

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8885781 System and method for detecting burst noise during quadrature amplitude modulation communications 2014-11-11
8670481 System and method for dynamic profile management in cable modem systems 2014-03-11
8649389 Prioritising data transmission Alessandro Goia 2014-02-11
8565266 Intelligent node for improving signal quality in a cable modem network Douglas Rosich, Weidong Chen, Jerry Guo 2013-10-22
8325657 Reducing interference in a telecommunications network Prakash Bhat 2012-12-04
8306166 System and method for detecting burst noise during quadrature amplitude modulation communications 2012-11-06
8229432 Controlling reselection in a telecommunications network Alessandro Goia, John Turk 2012-07-24
8149833 Wideband cable downstream protocol John T. Chapman, Alon Bernstein, Albert Alfonse Slane 2012-04-03 $28,707,000
7720101 Wideband cable modem with narrowband circuitry John T. Chapman, Albert Alfonse Slane 2010-05-18 $18,047,000
7688828 Downstream remote physical interface for modular cable modem termination system John T. Chapman, Daniel W. Crocker, Alon Bernstein, Michael James Healy 2010-03-30 $23,064,000
7583704 Synchronizing separated upstream and downstream channels of cable modem termination systems Carl Walker, Achot Matevossian, Michael James Healy 2009-09-01
7139963 Methods and apparatus to support error-checking of variable length data packets using a multi-stage process 2006-11-21 $73,443,000
6931492 Method for using a portion of the system cache as a trace array Joseph M. Hoke, Tin-Chee Lo 2005-08-16 $6,237,000