Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DZ

David Zelig — 27 Patents

CSCorrigent Systems: 17 patents #2 of 31Top 7%
CSCompass Electro Optical Systems: 4 patents #6 of 22Top 30%
OCOrckit Communications: 2 patents #3 of 29Top 15%
OROrckit-Corrigent: 2 patents #2 of 9Top 25%
OIOrckit Ip: 1 patents #7 of 11Top 65%
Petah Tikva, IL: #20 of 659 inventorsTop 4%
Overall (All Time): #142,059 of 4,157,543Top 4%
27 Patents All Time
David Zelig has been granted 27 US patents while listed as an inventor at Corrigent Systems. The first was granted in 2004 and the most recent in April 2025. David Zelig ranks #142,059 of 4,157,543 US inventors in our database (top 3.4%). Patent records list David Zelig in Petah Tikva, IL.

Patents per Year

Patents granted per year, 2004 to 2025Bar chart with a peak of 5 patents in 2009.peak 52004: 2 patents20042005: 1 patents2006: 1 patents20062007: 3 patents2008: 2 patents20082009: 5 patents2010: 3 patents20102011: 3 patents2012: 1 patents20122015: 3 patents2016: 2 patents20162025: 1 patents2025

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
RE50398 Device, method and system for media packet distribution Leon Bruckman, Eli Aloni, Gal Mor 2025-04-22
9319310 Distributed switchless interconnect Vladimir Miliavsky, David Chairman, Niv Margalit, Iftah Meyron, Alexander M. Zeltser 2016-04-19
9277300 Passive connectivity optical module David Chairman, Vladimir Miliavsky, Niv Margalit, Iftah Meyron, Alexander M. Zeltser 2016-03-01
9215517 Switching Clos network universal element Alexander M. Zeltser, Vladimir Miliavsky, Niv Margalit, Iftah Meyron, David Chairman +1 more 2015-12-15
9197541 Router with passive interconnect and distributed switchless switching Niv Margalit, David Chairman, Vladimir Miliavsky, Iftah Meyron, Alexander M. Zeltser 2015-11-24
9185151 Device, method and system for media packet distribution Leon Bruckman, Eli Aloni, Gal Mor 2015-11-10
8199637 VPLS remote failure indication Leon Bruckman, Ronen Solomon, Ophir Fuchs, Alex Levit 2012-06-12
8009684 High capacity ring communication network Leon Bruckman, Ronen Solomon, Gideon Agmon, Vladimir Kleiner 2011-08-30
7974223 Virtual private LAN service over ring networks Leon Bruckman, Ronen Solomon, Uzi Khill, Gal Mor 2011-07-05
7961755 Efficient transport of TDM services over packet networks Rafi Harel, Leon Bruckman, Nitzan Kappel 2011-06-14
7808931 High capacity ring communication network Leon Bruckman, Ronen Solomon, Gideon Agmon, Vladmir Kleiner 2010-10-05
7697525 Forwarding multicast traffic over link aggregation ports Rafi Ram, Leon Bruckman, Zeev Oster, Ronen Solomon 2010-04-13
7660303 Point-to-multipoint functionality in a bridged network Ronen Solomon, Leon Bruckman, Rafi Ram, Shachar Katz 2010-02-09
7626930 Hash-based multi-homing Gideon Agmon, Zvika Menahemi 2009-12-01
7593400 MAC address learning in a distributed bridge Leon Bruckman, Ronen Solomon, Zeev Oster, David Rozenberg, Uzi Khill 2009-09-22
7545740 Two-way link aggregation Ronen Solomon, Uzi Khill 2009-06-09
7515605 Efficient transport of TDM services over packet networks Rafi Harel, Leon Bruckman, Nitzan Kappel 2009-04-07
7483399 Signaling MPLS over RPR rings Leon Bruckman, Yoav Kotser 2009-01-27
7386010 Multiprotocol media conversion Ronen Solomon 2008-06-10
7339929 Virtual private LAN service using a multicast protocol Leon Bruckman, Gal Mor, Zvi Menahemi 2008-03-04
7283465 Hierarchical virtual private LAN service protection scheme Leon Bruckman, Yoav Kotser 2007-10-16
7280560 Differentiated services with multiple tagging levels Leon Bruckman, Omer Goldfisher, Gal Mor 2007-10-09
7158721 Performance monitoring of multiple channels in an automatic protection switched network Sharon Mantin, Shmuel Ilan, Leon Bruckman 2007-01-02
7133415 SONET circuit emulation with VT compression Leon Bruckman, Nitzan Kappel 2006-11-07
6952397 Communication in a bidirectional ring network with single-direction receiving Gal Mor, Leon Bruckman 2005-10-04