ENERFEX INC

Overview

Total Patents

16

About

ENERFEX INC has a total of 16 patent applications. Its first patent ever was published in 1992. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets chemical engineering, environmental technology and materials and metallurgy are SUZHOU XINGLU AIR SEPARATION PLANT SCIENCE AND TECH DEVELOPMENT CO LTD, FLUOR CORP and BP ALTERNATIVE ENERGY INTERNAT LTD.

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Patent filings in countries

World map showing ENERFEX INCs patent filings in countries

#	Country	Total Patents
#1	United States	6
#2	WIPO (World Intellectual Property Organization)	4
#3	EPO (European Patent Office)	3
#4	Canada	2
#5	Australia	1

Patent filings per year

Chart showing ENERFEX INCs patent filings per year from 1900 to 2020

Similar Companies

SUZHOU XINGLU AIR SEPARATION PLANT SCIENCE AND TECH DEVELOPMENT CO LTD 99% similarity

FLUOR CORP 96% similarity

BP ALTERNATIVE ENERGY INTERNAT LTD 96% similarity

TRENTHAM CORP 96% similarity

BRIGLIA ALAIN 95% similarity

PETROCARBON DEV LTD 95% similarity

LINDE AKTSIENGEZELLSHAFT 94% similarity

SUSTAINABLE ENERGY SOLUTIONS LLC 94% similarity

EHR PRODAKTS EHND KEMIKALZ INK 93% similarity

SAVINOV MIKHAIL JUR EVICH 92% similarity

Focus industries

#	Industry
#1	Chemical engineering
#2	Environmental technology
#3	Materials and metallurgy
#4	Machines
#5	Thermal processes

Focus technologies

#	Technology
#1	Separation
#2	Non-metallic elements
#3	Liquefaction of gases by pressure
#4	Reduction of greenhouse gas emissions
#5	Storage of greenhouse gases
#6	Unspecified technologies
#7	Climate change mitigation in goods production
#8	Refrigerators

Top inventors

#	Name	Total Patents
#1	Callahan Richard A	16
#2	Khandavalli Kishore V	5

Latest patents

Publication	Filing date	Title
WO0191888A1	2001-06-01	Membrane technology to reduce nitrogen in natural gas
US6128916A	1998-11-27	Membrane technology to remove non-condensable gases from refrigeration systems
US5693121A	1995-11-09	Semi-permeable membrane separation process for the production of very high purity nitrogen
CA2202142A1	1995-10-10	Multiple stage semi-permeable membrane gas separation process
US5482539A	1994-10-11	Multiple stage semi-permeable membrane process and apparatus for gas separation
US5233837A	1992-09-03	Process and apparatus for producing liquid carbon dioxide