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HAWLEY MANUFACTURING CORP

Overview
  • Total Patents
    67
About

HAWLEY MANUFACTURING CORP has a total of 67 patent applications. Its first patent ever was published in 1966. It filed its patents most often in Canada, United States and Germany. Its main competitors in its focus markets thermal processes, chemical engineering and machines are FORGESTAL S L, SAUDER ENERGY SYSTEMS INC and NEW CASTLE REFRACTORIES COMPAN.

Patent filings in countries

World map showing HAWLEY MANUFACTURING CORPs patent filings in countries
# Country Total Patents
#1 Canada 17
#2 United States 16
#3 Germany 10
#4 France 8
#5 United Kingdom 7
#6 Japan 4
#7 Brazil 3
#8 Italy 1
#9 Mexico 1

Patent filings per year

Chart showing HAWLEY MANUFACTURING CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Overmyer Robert C 27
#2 Scheel John R 14
#3 Nijhawan Pramodh 8
#4 Brumett Billy M 5
#5 Overmyer R 4
#6 Robaato Shii Oobaamaiyaa 3
#7 Nordman Adolph J 3
#8 Nordman Adolph J Jr 2
#9 Brumett B 2
#10 R Scheel John 2

Latest patents

Publication Filing date Title
CA1069160A Arc furnace fumes control system
US4086847A Multi-position duct system
US4089640A Furnace hood with integral conveyor feeding
US4098325A Fluid heat exchanger
US3999001A Arc furnace fumes control system
JPS5262104A Hood structure of furnace
DE2551548A1 Furnace hood structure - operates in synchronism with opening of furnace mouth and charging to remove obnoxious fumes
DE2550433A1 Recoil system for furnace charger - absorbs momentum of bucket or compensates for over-ride
JPS5259005A Hood for melting furnace
GB1490420A Furnace and hood assembly
CA1035138A Recoil system for furnace charger
GB1471250A Furnace hoods
CA986712A Exhaust and charging hood for tilting furnace
CA986711A Exhaust and charging hood for tilting furnace
US3979551A Arc furnace fumes control system
US3930641A Furnace hood structure
US3918691A Recoil system for furnace charger
US3838732A Contaminant collection system for shaker table
FR2221990A5 Top charged, esp. melting furnace - with fume extractor comprising furnace and suction cover swivelable lids, for use during charging and tapping
DE2309343B1 Top-fed furnace, particularly a smelting furnace