Inventor

Kevin Warbrick

Inventor

Herts, GB

Overview

8→

Patents

1988–2018

Patent span

Electricity

Primary field (CPC H)

Patents· 8 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 communication31%

H04QSelecting19%

H04JMultiplex communication13%

H04MTelephonic communication13%

G02BOptical elements, systems or apparatus6%

H04BTransmission6%

Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use6%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

PatentTitleYear

10,122,850Support of non-secure warning tones on packet-switched networks, particularly across multiple security domains2018 9,456,088'Efficient transmission of voice data between voice gateways in packet-switched networks'2016 7,161,902'Reducing network traffic congestion'2007 7,146,098'Optical protection scheme'2006 6,782,200'Packet-based optical communications networks'2004 6,757,494'Wavelength routing in a photonic network'2004 6,694,098'Apparatus and method for reading data from an optical packet header'2004 4,737,006'Optical fiber termination including pure silica lens and method of making same'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988Patents assigned to STC PLC (1)· patent assignee history

1988Based in Harlow, GB· patent location history

2004–2007Patents assigned to NORTEL NETWORKS LTD (5)· patent assignee history

2004–2016Based in Herts, GB· patent location history

2004–2007Based in Bishops Stortford, GB· patent location history

2016–2018Patents assigned to PARADIGM SERVICES LTD (2)· patent assignee history

2018Based in Hertfordshire, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NORTEL NETWORKS LTD	5	2004–2007
PARADIGM SERVICES LTD	2	2016–2018
STC PLC	1	1988

Locations

Location	Patents	Span
Herts, GB	3	2004–2016
Bishops Stortford, GB	3	2004–2007
Hertfordshire, GB	1	2018
Harlow, GB	1	1988