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NAT FORGE CO

Overview
  • Total Patents
    161
About

NAT FORGE CO has a total of 161 patent applications. Its first patent ever was published in 1954. It filed its patents most often in United States, Germany and United Kingdom. Its main competitors in its focus markets machines, machine tools and materials and metallurgy are NAT FORGE CY, COLD ISOSTATIC PRESS SYST KB and BAROGENICS INC.

Patent filings per year

Chart showing NAT FORGE COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Khare Ashok K 22
#2 Witkin Donald E 12
#3 Bowles Arnold G 11
#4 Bowles A G 8
#5 Bowles Arnold Gordon 7
#6 Witkin D E 7
#7 Witkin Donald Eli 6
#8 Bowles A 5
#9 Crum Andrew Stephenson Dalglei 4
#10 Dalrymple Donald D 4

Latest patents

Publication Filing date Title
US2003147768A1 0303 Steel for making pipe molds
US5330707A Steel for making very large pipe molds
US5305505A Process of making a multi-section bomb casing
US5174836A Interrupted normalization heat treatment process
US4992239A Khare steel
US4919735A Khare pipe mold steel
US4861549A Roller caster shell steel
US4781768A Full length forging method for producing large section, large mass cylindrical sleeves of alloy 625
US4818301A Process for producing large section, large mass forged sleeves from large diameter ingots of alloy 625 and from hot isostatically pressed preforms of alloy 625 powder
US4714499A Full length forging method for producing large section, large mass cylindrical sleeves of alloy 625
US4714498A Process for producing large section, large mass forged sleeves from large diameter ingots of alloy 625
US4608851A Warm-working of austenitic stainless steel
US4601322A Weld forming of pipe molds
US4599502A Induction hardening of steel
US4063941A Method for loading and unloading an isostatic press for compression of pre-formed powder objects
JPS521525A Pressure container structures and production method thereof
US4077285A Method of and apparatus for machining a contoured surface
DE2536280A1 ISOSTATIC HOT PRESS
US4007325A Furnace assembly
US3971876A Temperature control apparatus