Learn more

HEAT EXCHANGER IND INC

Overview
  • Total Patents
    15
About

HEAT EXCHANGER IND INC has a total of 15 patent applications. Its first patent ever was published in 1981. It filed its patents most often in United States, Canada and EPO (European Patent Office). Its main competitors in its focus markets environmental technology, thermal processes and chemical engineering are API HEAT TRANSFER INC, FLATPLATE INC and HYDROLA LTD.

Patent filings in countries

World map showing HEAT EXCHANGER IND INCs patent filings in countries
# Country Total Patents
#1 United States 7
#2 Canada 4
#3 EPO (European Patent Office) 3
#4 Japan 1

Patent filings per year

Chart showing HEAT EXCHANGER IND INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Warner Donald F 14
#2 Donarudo Efu Uoonaa 1

Latest patents

Publication Filing date Title
US4776391A Heat exchanger method and apparatus
US4705101A Flue gas reheat apparatus
US4669530A Heat exchanger method and apparatus
US4577380A Method of manufacturing heat exchangers
US4526112A Heat exchanger method and apparatus
CA1213528A Heat exchanger apparatus and method of making
JPS5993196A Method and device for treating exhaust gas
EP0102770A2 Exhaust gas treatment method and apparatus
US4487139A Exhaust gas treatment method and apparatus
EP0155498A2 Method of fabricating a heat exchanger and apparatus produced thereby
EP0321452A1 Method of recovering heat energy from an exhaust gas