119925 ⎘
Solid state diffusion of only non-metal elements into metallic material surfaces ; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied; Carburising of ferrous surfaces
High strength steel and method of making same
#302Fixing element comprising a low-alloyed steel and process for the production thereof
#303Furnace for vacuum carburizing with unsaturated aromatic hydrocarbons
#304Process for the production of an articulated structural part having improved wear resistance
#305Carburization of ferrous-based shape memory alloys
#306Method and device for blacking components
#307Case-hardening steel superior in tooth surface fatigue strength, gear using the same, and method of production of the same
#308Carburized component and method of manufacturing the same
#309Method for enhancing the performance of steel reheat furnaces
#310Hydrocarbon gas mixture for the under-pressure carburizing of steel
#311Case-hardening of stainless steel
#312Carburized wire and method for producing the same
#313Sintered alloys for cam lobes and other high wear articles
#314Maintaining carburized case during neutral to the core heat treatment processes
#315Case-hardened stainless steel foundry alloy and methods of making the same
#316Process for producing a thermally coated cylinder bearing surface having an insertion bevel
#317Rolling element and method of producing the same
#318Method for under-pressure carburizing of steel workpieces
#319Rolling element
#320Method, equipment, and material for creating a surface on a metal
#321Seal for worm gear speed reducer
#322Worm gear assembly having improved physical properties and method of making same
#323Case hardened stainless steel oilfield tool
#324Rolling elements
#325Rolling elements
#326Thermal flux processing by scanning a focused line beam
#327Method of gas carburizing
#328Carburized and quenched member and method for production thereof
#329Carbide method and article for hard finishing resulting in improved wear resistance
#330Case hardening bearing steel having excellent toughness and rolling contact fatigue life in intermediate temperature
#331Rolling element and method of producing the same
#332Bearing pressure-resistant member and process for making the same
#333Contact pressure-resistant member and method of making the same
#334High temperature alloy particularly suitable for a long-life turbocharger nozzle ring
#335Method of gas carburizing
#336Surface treatment for a wellbore drill bit
#337Mechanical processing of metallic component surfaces