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SIEMENS PLESSEY CONTROLS LTD

Overview
  • Total Patents
    24
About

SIEMENS PLESSEY CONTROLS LTD has a total of 24 patent applications. Its first patent ever was published in 1988. It filed its patents most often in United Kingdom, EPO (European Patent Office) and United States. Its main competitors in its focus markets measurement, semiconductors and control are JORDAN VALLEY SEMICONDUCTORS, MATSUI SHIGERU and THERMO NITON ANALYZERS LLC.

Patent filings in countries

World map showing SIEMENS PLESSEY CONTROLS LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 14
#2 EPO (European Patent Office) 4
#3 United States 4
#4 Australia 1
#5 Belgium 1

Patent filings per year

Chart showing SIEMENS PLESSEY CONTROLS LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Measurement
#2 Semiconductors
#3 Control

Top inventors

# Name Total Patents
#1 Birch Brian Jeffrey 6
#2 Cranny Andrew William James 5
#3 Thomas Nigel John 5
#4 Atkinson John Karl 5
#5 Siuda Przemyslaw Rafal 3
#6 Cleverly Neil 2
#7 Walton Peter 2
#8 Hewinson John 2
#9 Dakin John Philip 2
#10 Birch Brian J 1

Latest patents

Publication Filing date Title
EP0685736A1 Improvements in or relating to pH-sensors
EP0682247A1 Improvements in or relating to reference electrodes
GB9412820D0 Water quality measuring apparatus
GB9409580D0 Improvements in or relating to reference electrodes
GB9409554D0 Improvements in or relating to sensors
GB9322563D0 Improvements in or relating to water quality sensor apparatus
EP0510856A2 Improvements in or relating to optical gas detectors
GB9110770D0 Radio-activity sensor apparatus and system.
GB9109140D0 Improvements in or relating to personal radiation dose indicators
GB9108978D0 Improvements in or relating to optical gas detectors
GB9103071D0 Signal detector apparatus