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MCDOWELL WELLMAN ENG CO

Overview
  • Total Patents
    193
About

MCDOWELL WELLMAN ENG CO has a total of 193 patent applications. Its first patent ever was published in 1962. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets materials and metallurgy, packaging and shipping and transport are DEVERE MINING TECHNOLOGIES LTD, AUMUND FORDERTECHNIK GMBH and FRANK C GREENE.

Patent filings in countries

World map showing MCDOWELL WELLMAN ENG COs patent filings in countries

Patent filings per year

Chart showing MCDOWELL WELLMAN ENG COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ban Thomas E 50
#2 Cheek Edward E 19
#3 Ludwig Carl 15
#4 Carl Ludwig 10
#5 Ban Thomas Eugene 9
#6 Hulette Roger L 9
#7 Sabin Raymond H 9
#8 Ban T 7
#9 Sabin R 6
#10 Cheek E 6

Latest patents

Publication Filing date Title
GB1547419A Method of producing pelletized fixed sulphur fuel and product
AU1391376A Train holding device
US4044925A Screw feeder for injection molding machine
US4039427A Process for retorting oil shale
US3989434A Blending and molding means
US4017242A Injection molding apparatus
US4024962A Car dumper scale
US4013517A Circular traveling grate sintering machine
US4006691A Train holding device
US3942451A Multiple coupler engaging head for railroad car positioner
US3938987A Process for preparing a smelter furnace charge composition
US3849113A Process for the production of crude ferronickel
US3847562A Gas producer having ash removal plates with individual temperature sensing
US3909189A Process for conditioning sinter draft for electrostatic precipitation of particulate material therefrom
ZA7204244B Load compensated car dumper clamp
AU4218972A Process for conditioning sinter draft for electrostatic precipitation of particulate material therefrom
US3777914A Retractable railroad car clamp
US3849115A Sintering process
US3793964A Railroad car spotting and wheel locking apparatus
US3787192A Process for coal gasification