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METCALFE JAMES CROXON

Overview
  • Total Patents
    12
About

METCALFE JAMES CROXON has a total of 12 patent applications. Its first patent ever was published in 1899. It filed its patents most often in United Kingdom, Canada and United States. Its main competitors in its focus markets engines, pumps and turbines are METCALFE RICHARD DAVID, NILSON LARS GUSTAF and MAKOVETSKIJ ANATOLIJ FEDOROVICH.

Patent filings in countries

World map showing METCALFE JAMES CROXONs patent filings in countries
# Country Total Patents
#1 United Kingdom 6
#2 Canada 3
#3 United States 2
#4 Austria 1

Patent filings per year

Chart showing METCALFE JAMES CROXONs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Engines, pumps and turbines

Focus technologies

# Technology
#1 Siphons

Top inventors

# Name Total Patents
#1 Metcalfe James Croxon 12
#2 Metcalfe Richard David 11

Latest patents

Publication Filing date Title
US905206A Injector.
GB190708914A Improvements relating to Injectors.
GB190706904A Improvements relating to Injectors.
GB190624804A Improvements in Injectors.
GB190426349A Improvements in Injectors.
GB190400438A Improvements in Steam Generators.
US648040A Injector.
GB189920222A Improvements in Valve Apparatus applicable to Exhaust and Supplementary Live Steam and other Injectors.
CA220605A Exhaust steam injector
CA241889A Exhaust steam injector
CA287787A Injector