PLESSEY TELECOMM has a total of 1,033 patent applications. Its first patent ever was published in 1981. It filed its patents most often in United Kingdom, EPO (European Patent Office) and Australia. Its main competitors in its focus markets telecommunications, digital networks and computer technology are ECI TELECOM LTD, GPT LTD and SPRINT COMM COMPANY LP.
# | Country | Total Patents | |
---|---|---|---|
#1 | United Kingdom | 389 | |
#2 | EPO (European Patent Office) | 117 | |
#3 | Australia | 90 | |
#4 | United States | 87 | |
#5 | Finland | 63 | |
#6 | WIPO (World Intellectual Property Organization) | 50 | |
#7 | Canada | 41 | |
#8 | Japan | 38 | |
#9 | Portugal | 38 | |
#10 | China | 32 | |
#11 | South Africa | 27 | |
#12 | Denmark | 20 | |
#13 | India | 10 | |
#14 | Norway | 9 | |
#15 | New Zealand | 6 | |
#16 | Brazil | 4 | |
#17 | Ireland | 3 | |
#18 | Germany | 2 | |
#19 | Hong Kong | 2 | |
#20 | France | 1 | |
#21 | Greece | 1 | |
#22 | Malta | 1 | |
#23 | Mexico | 1 | |
#24 | Singapore | 1 |
# | Industry | |
---|---|---|
#1 | Telecommunications | |
#2 | Digital networks | |
#3 | Computer technology | |
#4 | Audio-visual technology | |
#5 | Control | |
#6 | Optics |
# | Name | Total Patents |
---|---|---|
#1 | Chopping Geoffrey | 67 |
#2 | Proctor Richard John | 58 |
#3 | Ferguson Stephen Patrick | 43 |
#4 | Maddern Thomas Slade | 40 |
#5 | Arnold John Spencer | 34 |
#6 | Barker Andrew James | 26 |
#7 | Philip Alexander Schroder | 24 |
#8 | Lumb Anthony Peter | 22 |
#9 | Jeffrey Mark Timothy | 21 |
#10 | Barnes Nigel Everard | 18 |
Publication | Filing date | Title |
---|---|---|
GB9817598D0 | Data processing system | |
GB9814418D0 | Telecommunications network | |
GB9812281D0 | Telecommunications system | |
GB9811108D0 | Voltage-controlled oscillator | |
GB9810918D0 | Telecommunications system | |
GB9806862D0 | Telecommunications systems | |
GB9805243D0 | Broadband service creation environment | |
GB9803186D0 | Telecommunications systems | |
GB9803187D0 | Telecommunications system | |
GB9802692D0 | Telecommunication networks | |
GB9801442D0 | Transaction system | |
GB9801441D0 | Transaction system | |
US5872645A | Telecommunications network | |
GB9718831D0 | Data transmission in an sdh network | |
GB9718428D0 | Telelcommunications line termination test | |
GB9716195D0 | MA alternate routeing | |
GB9716198D0 | RAP routeing for ISO 10589 | |
GB9715939D0 | Voice band call routing | |
GB9713575D0 | Filter selector | |
US5793760A | Method of multiplexing and a multiplexer |