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WELLMAN INCANDESCENT FURN CO

Overview
  • Total Patents
    54
About

WELLMAN INCANDESCENT FURN CO has a total of 54 patent applications. Its first patent ever was published in 1954. It filed its patents most often in United Kingdom, Canada and Germany. Its main competitors in its focus markets materials and metallurgy, environmental technology and machines are SHORTER PROCESS COMPANY LTD, PRIBYL ROBERT DR and BRITISH FURNACES LTD.

Patent filings in countries

World map showing WELLMAN INCANDESCENT FURN COs patent filings in countries

Patent filings per year

Chart showing WELLMAN INCANDESCENT FURN COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Derbyshire A 6
#2 Derbyshire Alfred 5
#3 Mckeown Charles George 4
#4 Morgan Francis John 3
#5 Jones Leonard William 2
#6 Whetton Edward T 2
#7 Ivins K 2
#8 Whetton E 2
#9 Whetton Edward Thomas 2
#10 Pettit Cecil G 2

Latest patents

Publication Filing date Title
ZA7302062B Improvements relating to coil annealing furnaces
AU4235972A Improvements relating to coil annealing furnaces
ZA7203330B Improvements relating to coil annealing furnaces
GB1390238A Coil annealing furnaces
GB1370466A Cremation furnaces
GB1341043A Cremation furnaces
GB1341044A Cremation furnaces
GB1323465A Coil annealing furnaces
CA932145A Apparatus for flattening and quenching metal sheets or plates
GB1229393A Improvements relating to cremation furnaces
ES338852A1 Improvements in the recovery of coils. (Machine-translation by Google Translate, not legally binding)
US3423079A Coil annealing convector plate
US3527586A Production of fuel gas
GB1136964A Continuous weighing of a consumable electrode
GB1161786A Improvements relating to Separators for use in Coil Annealing.
US3369863A Process for the manufacture of a fluosilicate of a metal
GB1094749A Improvements in electric arc melting furnaces
GB1078763A Heat treatment apparatus
GB1045861A Improvements relating to heat-treatment apparatus
GB1082972A Improvements relating to the manufacture of fluorosilicates