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METROPOLITAN SANITARY DISTRICT

Overview
  • Total Patents
    17
About

METROPOLITAN SANITARY DISTRICT has a total of 17 patent applications. Its first patent ever was published in 1968. It filed its patents most often in United States, Canada and Denmark. Its main competitors in its focus markets machines, measurement and chemical engineering are ETZLINGER LUCIEN, AXIS RESEARCH and EREZ FORENSIC TECHNOLOGY LTD.

Patent filings in countries

World map showing METROPOLITAN SANITARY DISTRICTs patent filings in countries
# Country Total Patents
#1 United States 6
#2 Canada 3
#3 Denmark 2
#4 Monaco 2
#5 WIPO (World Intellectual Property Organization) 2
#6 United Kingdom 1
#7 Romania 1

Patent filings per year

Chart showing METROPOLITAN SANITARY DISTRICTs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kelada Nabih P 8
#2 Lue-Hing Cecil 8
#3 Lordi David T 3
#4 Kelada N 2
#5 Kurland Jerome J 2
#6 Venuso Nicholas A 2
#7 Lordi D 2
#8 Lue Hing C 1
#9 Heil Richard W 1
#10 Cecil Lue-Hing 1

Latest patents

Publication Filing date Title
CA1302211C Method and apparatus for measuring cyanide
US4804631A Method and apparatus for measuring cyanide
US4413419A Method and apparatus for remote measuring
US4367652A Method and apparatus for monitoring wastewater
US4265857A In-line distillation system
US4216671A Automatic cleaning of sensing probes
GB1491068A Automatic cleaning of sensing probes
US3560376A Method and apparatus for use in the activated sludge treatment of sewage