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GEN FILTERS INC

Overview
  • Total Patents
    18
About

GEN FILTERS INC has a total of 18 patent applications. Its first patent ever was published in 1937. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets thermal processes, machines and chemical engineering are POWLESLAND ENG LTD, ALBERS WALTER F and BALDWIN WILLIAM J.

Patent filings in countries

World map showing GEN FILTERS INCs patent filings in countries
# Country Total Patents
#1 United States 12
#2 Canada 4
#3 United Kingdom 1
#4 Mexico 1

Patent filings per year

Chart showing GEN FILTERS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Redner Carl R 5
#2 Redner Arthur D 3
#3 Redner Robert P 3
#4 Yeagle Richard J 3
#5 Kozinski Richard C 2
#6 Lutty Richard J Jr 1
#7 Engel Lewis O 1
#8 Lutty Jr Richard J 1

Latest patents

Publication Filing date Title
US6588734B2 Humidifier with swingable cover
US6190442B1 Air filter gauge
US5593481A Activated carbon air purifier
US4199536A Rotary drum humidifier
US4158679A Water distributor trough primarily for a warm air furnace mounted humidifier
US4125576A Water distributor trough primarily for a warm air furnace mounted humidifier
US3975470A Humidifier having a water distributor trough
US2934058A Humidifier structure
US2731152A Filter element and method of manufacture
US2658624A Filter
GB514803A Improvements relating to filters
US2284447A Filter