MCELWAIN JOHN A

Overview

About

MCELWAIN JOHN A has a total of 23 patent applications. Its first patent ever was published in 1979. It filed its patents most often in Spain, Portugal and Belgium. Its main competitors in its focus markets environmental technology, thermal processes and machines are IZENA KK, SOLAR HOLDING SA and SCHEU WALTER DIPL ING.

Patent filings in countries

#	Technology
#1	Climate change adaptation technologies
#2	Air-conditioning
#3	Reduction of greenhouse gas emissions
#4	Domestic heating systems
#5	Climate change mitigation in buildings
#6	Solar heat collectors
#7	Refrigerators
#8	Unspecified technologies

Publication	Filing date	Title
US4702227A	1985-12-17	Solar energy collector and system
US4350200A	1979-12-21	Solar energy collector and system