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CALVAL DEV LTD

Overview
  • Total Patents
    15
About

CALVAL DEV LTD has a total of 15 patent applications. Its first patent ever was published in 1967. It filed its patents most often in Canada, United Kingdom and Austria. Its main competitors in its focus markets environmental technology are NAGOYA HAKUAI SHISETSU KK, BOUILLET LAURENT SA and SHANGHAI YUGONG ENVIRONMENT PROT TECHNOLOGY CO LTD.

Patent filings in countries

World map showing CALVAL DEV LTDs patent filings in countries

Patent filings per year

Chart showing CALVAL DEV LTDs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

# Technology
#1 Cremation furnaces

Top inventors

# Name Total Patents
#1 Stribling John B 4
#2 Stribling John Brian 4
#3 Stribling J 2
#4 John Brian Stribling 1
#5 Brian Stribling John 1

Latest patents

Publication Filing date Title
IL32254D0 A furnace for burning waste
GB1183261A Improvements relating to Furnaces
GB1185361A Improvements relating to Apparatus for Burning Waste Material.
CA854989A Furnaces
CA863083A Furnaces and installations incorporating such furnaces
CA883573A Furnaces