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BERTSCH JOHN C

Overview
  • Total Patents
    12
About

BERTSCH JOHN C has a total of 12 patent applications. Its first patent ever was published in 1901. It filed its patents most often in United States and Canada. Its main competitors in its focus markets thermal processes, chemical engineering and environmental technology are IKEGAMI MAKOTO, NIPPON MEDIX KK and JIANGNAN LMART EQUIPMENT MFG ZHANGJIAGANG CO LTD.

Patent filings in countries

World map showing BERTSCH JOHN Cs patent filings in countries
# Country Total Patents
#1 United States 10
#2 Canada 2

Patent filings per year

Chart showing BERTSCH JOHN Cs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Bertsch John C 12

Latest patents

Publication Filing date Title
US1791441A Refrigerating system
US1452061A Gas expansion and absorption process and apparatus therefor
US1525060A Gas expander-absorber
US1265037A Process of and apparatus for refrigeration.
US1224594A Refrigerating apparatus.
US1247209A Refrigerating apparatus and regulator.
US1246849A Process of refrigeration.
US1245179A Refrigerating apparatus.
US1145226A Rotary refrigerating apparatus.
US714438A Apparatus for distilling liquors.
CA319903A Refrigerating apparatus
CA304662A Refrigerating system