Learn more

CHELSEA INSTR LTD

Overview
  • Total Patents
    13
About

CHELSEA INSTR LTD has a total of 13 patent applications. Its first patent ever was published in 1979. It filed its patents most often in United Kingdom, United States and Australia. Its main competitors in its focus markets measurement, audio-visual technology and optics are P & P OPTICA INC, J A WOOLLAM CO INC and BECKMAN RIIC LTD.

Patent filings per year

Chart showing CHELSEA INSTR LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Measurement
#2 Audio-visual technology
#3 Optics

Top inventors

# Name Total Patents
#1 Griffiths David 2
#2 Andreou Michael Paul 2
#3 Learner Richard Charles Mauric 2
#4 Learner Richard C M 2
#5 Thorne Anne P 1
#6 Wheaton John E G 1
#7 Andreou Michael Park 1
#8 Wheaton John Edward George 1
#9 Thorne Anne Patricia 1

Latest patents

Publication Filing date Title
GB9625087D0 Method and apparatus for the imaging of gases
GB9400456D0 Fluorimetry
GB9312588D0 Fluid electrical conductivity determination
GB9111332D0 Measurements of compliance in tubular walled vessels
EP0236137A2 Novel beam splitter and spectrometer containing the beam splitter
GB8605419D0 Beam splitter & spectrometer
GB8415050D0 Video recording surveillance systems
DE2925855A1 UNDERWATER OR SUBMERSIBLE FLUORESCENCE METER AND METHOD FOR USING SUCH AN INSTRUMENT