Inventor · disambiguated record
John C. Kosco
Also filed as: KOSCO JOHN · KOSCO JOHN C
13 granted patents·2 pending applications·278 citations·filing 1989–2010
93Inventor score
Files withKEYSTONE INVEST CORP8CORNING INC1IMBROGNO PETER G1KEYSTONE INVESTMENT CORP1KEYSTONE POWDERED METAL COMPAN1
Top patents by PatentIndex Score
15 records- 0195US6473964B1Method of fabricating camshaftsKEYSTONE INVEST CORP·Filed 2000·Granted Nov 5, 2002·47 cites·68 claims
- 0294US6338747B1Method for producing powder metal materialsKEYSTONE INVEST CORP·Filed 2000·Granted Jan 15, 2002·48 cites·57 claims
- 0391US7794551B1Carburization of metal articlesKEYSTONE INVEST CORP·Filed 2005·Granted Sep 14, 2010·19 cites·20 claims
- 0487US4986748AWide range oxy-fuel burner and furnace operationCORNING INC·Filed 1989·Granted Jan 22, 1991·48 cites·11 claims
- 0581US5613180AHigh density ferrous power metal alloyKEYSTONE INVESTMENT CORP·Filed 1994·Granted Mar 18, 1997·57 cites·48 claims
- 0678US6833018B1Powder metal materials including glassKEYSTONE INVEST CORP·Filed 2002·Granted Dec 21, 2004·11 cites·76 claims
- 0776US6485540B1Method for producing powder metal materialsKEYSTONE INVEST CORP·Filed 2000·Granted Nov 26, 2002·18 cites·44 claims
- 0875US7455711B1Process for manufacturing hardened powder metal partsKEYSTONE INVEST CORP·Filed 2006·Granted Nov 25, 2008·3 cites·17 claims
- 0973US8871036B1Carburization of metal articlesIMBROGNO PETER G·Filed 2010·Granted Oct 28, 2014·1 cites·20 claims
- 1068US7416696B2Powder metal materials and parts and methods of making the sameKEYSTONE INVEST CORP·Filed 2004·Granted Aug 26, 2008·11 cites·42 claims
- 1164US6793705B2Powder metal materials having high temperature wear and corrosion resistanceKEYSTONE INVEST CORP·Filed 2001·Granted Sep 21, 2004·4 cites·46 claims
- 1244US5256184AMachinable and wear resistant valve seat insert alloyTRW INC·Filed 1991·Granted Oct 26, 1993·7 cites·9 claims
- 1340US2003039572A1Method of producing powder metal parts using induction sinteringFiled 2001·Application pending·0 cites
- 1438US2003047032A1Method of producing powder metal parts from metallurgical powders including sponge ironFiled 2001·Application pending·0 cites
- 1532US5864071APowder ferrous metal compositions containing aluminumKEYSTONE POWDERED METAL COMPAN·Filed 1997·Granted Jan 26, 1999·4 cites·67 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →