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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Marx; Steven V.
Address:
University Heights, OH
No. of patents:
4
Patents:












Patent Number Title Of Patent Date Issued
6547888 Modified low temperature case hardening processes April 15, 2003
An iron-containing workpiece is case hardened by low temperature carburization during which one or more process steps--including adjusting the carburization temperature, adjusting the concentration of carburization specie in the carburization gas and reactivating the surfaces to be c
6461448 Low temperature case hardening processes October 8, 2002
A method for case hardening a chromium bearing nickel or ferrous based alloy, for example stainless steel, article, the method including the steps of activating the surface of the article; and carburizing the activated surface at a temperature below that temperature which would promo
6165597 Selective case hardening processes at low temperature December 26, 2000
A selectively case hardened steel article by low temperature carburization includes a body made of a chromium bearing nickel or ferrous based alloy (for example, stainless steel), a first portion of the body having a first hardness characteristic, and a second portion of the body having
6093303 Low temperature case hardening processes July 25, 2000
A method for case hardening a chromium bearing nickel or ferrous based alloy, for example stainless steel, article, the method including the steps of activating the surface of the article; and carburizing the activated surface at a temperature below that temperature which would promo










 
 
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