Inventor
John E. Drake
Inventor
Pittsburgh, PA, US
Overview
Patents· 45 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication80%
H04QSelecting11%
H04JMultiplex communication4%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%
PatentTitleYear
11,088,871Fast convergence for MAC mobility202111,082,337Support for multiple virtual networks over an underlay network topology202110,644,987Supporting label per EVPN instance for an EVPN virtual private wire service202010,187,304Processing inter-VLAN traffic in an ethernet tree201910,187,290Method, system, and apparatus for preventing tromboning in inter-subnet traffic within data center architectures201910,142,239Synchronizing multicast state between multi-homed routers in an Ethernet virtual private network201810,116,464EVPN inter-subnet multicast forwarding201810,009,231Advertising with a layer three routing protocol constituent link attributes of a layer two bundle20189,985,838Mass MAC withdrawal for EVPN-DCI using virtual ESI20189,967,174Designated forwarder (DF) election based on static DF election procedure20189,948,472Protocol independent multicast sparse mode (PIM-SM) support for data center interconnect20189,781,032'MPLS label usage in ethernet virtual private networks'20179,660,860'Path computation delay timer in multi-protocol label switched networks'20179,590,902'Signaling aliasing capability in data centers'20179,397,931'Fast convergence in singly-homed ethernet virtual private networks'20169,391,885'MPLS label usage in Ethernet virtual private networks'20169,369,380'Handling entropy labels when stitching label-switched paths'20169,178,816'Control plane messaging in all-active multi-homed ethernet virtual private networks'20159,178,810'Handling entropy labels when stitching label-switched paths'20159,071,541'Path weighted equal-cost multipath'20159,019,814'Fast failover in multi-homed ethernet virtual private networks'20158,942,256'Advertising with a layer three routing protocol constituent link attributes of a layer two bundle'20158,804,736'Network tunneling using a label stack delimiter'20148,787,400'Weighted equal-cost multipath'20146,895,024'Efficient implementation of 1+1 port redundancy through the use of ATM multicast'20056,690,653'Split-switch based PNNI hierarchy'20046,282,171'System and method regarding early packet discard (EPD) and partial packet discard (PPD)'20016,094,687'System and method for connecting source nodes and destination nodes regarding efficient quality of services route determination using connection profiles'20005,634,011'Distributed management communications network'19975,483,522'Packet switching resource management within nodes'19965,461,611'Quality of service management for source routing multimedia packet networks'19955,425,021'Packet switching resource management within nodes'19955,398,012'Distributed processing of route selection across networks and subnetworks'19955,367,523'Adaptive rate-based congestion and flow control in packet communications networks'19945,365,523'Forming and maintaining access groups at the lan/wan interface'19945,359,593'Dynamic bandwidth estimation and adaptation for packet communications networks'19945,355,371'Multicast communication tree creation and control method and apparatus'19945,343,473'Method of determining whether to use preempt/resume or alternate protocol for data transmission'19945,289,460'Maintenance of message distribution trees in a communications network'19945,222,242'System for locating a node containing a requested resource and for selectively verifying the presence of the resource at the node'19935,109,483'Node initiating XID exchanges over an activated link including an exchange of sets of binding signals between nodes for establishing sessions'19925,101,348'Method of reducing the amount of information included in topology database update messages in a data communications network'19924,972,437'Method of controlling limited resource sessions in a data communications network'19904,967,345'Method of selecting least weight routes in a communications network'19904,827,411'Method of maintaining a topology database'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1997Patents assigned to IBM (17)· patent assignee history
1989–1997Based in Pittsboro, NC, US· patent location history
1994Based in Apex, NC, US· patent location history
2000–2021Based in Pittsburgh, PA, US· patent location history
2001–2005Patents assigned to MARCONI COMM INC (3)· patent assignee history
2014–2021Patents assigned to JUNIPER NETWORKS INC (24)· patent assignee history
2014–2015Patents assigned to DRAKE JOHN E (4)· patent assignee history
2014–2015Patents assigned to WARD DAVID (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| JUNIPER NETWORKS INC | 24 | 2014–2021 |
| IBM | 17 | 1989–1997 |
| DRAKE JOHN Eself | 4 | 2014–2015 |
| MARCONI COMM INC | 3 | 2001–2005 |
| WARD DAVID | 3 | 2014–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Pittsburgh, Pennsylvania, US | 28 | 2000–2021 |
| Pittsboro, NC, US | 16 | 1989–1997 |
| Apex, NC, US | 1 | 1994 |