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GREAT LAKES INSTRUMENTS INC

Overview
  • Total Patents
    15
About

GREAT LAKES INSTRUMENTS INC has a total of 15 patent applications. Its first patent ever was published in 1971. It filed its patents most often in United States, United Kingdom and Australia. Its main competitors in its focus markets measurement, control and machines are SHIELDS JOHN, SHIELDS INSTR LTD and CHENGDU LINGYU BIOTECH CO LTD.

Patent filings in countries

World map showing GREAT LAKES INSTRUMENTS INCs patent filings in countries
# Country Total Patents
#1 United States 4
#2 United Kingdom 2
#3 Australia 1
#4 Canada 1
#5 Switzerland 1
#6 Germany 1
#7 France 1
#8 Israel 1
#9 Italy 1
#10 Norway 1
#11 Sweden 1

Patent filings per year

Chart showing GREAT LAKES INSTRUMENTS INCs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Measurement
#2 Control
#3 Machines

Top inventors

# Name Total Patents
#1 King Karl Lewis 5
#2 King Karl L 2
#3 Arrington James R 2
#4 Arrington James Richard 2
#5 Popp William J 1
#6 Weiss Bruce W 1
#7 Endl Robert W 1
#8 Arrington J 1
#9 Arrington J R 1
#10 King K L 1

Latest patents

Publication Filing date Title
US5693204A Passive pH adjustment for analytical instruments
US5140168A Turbidimeter signal processing circuit using alternating light sources
US5059811A Turbidimeter having a baffle assembly for removing entrained gas
US3862895A Self-compensating electrode system
GB1395262A Self compensation electrode system
AU4578372A Self-compensating electrode system
IL40148D0 Self-compensating electrode system for measuring ph
CA927918A Thallium alloy electrode