Inventor · disambiguated record
John C. Stelk
Also filed as: STELK JOHN C
7 granted patents·1 pending application·195 citations·filing 1988–2008
87Inventor score
Technology areasB02C
Top patents by PatentIndex Score
8 records- 0195US4915310AReplaceable end cap assembly for the spider arm of a hammermillSIVYER STEEL CORP·Filed 1988·Granted Apr 10, 1990·64 cites·2 claims
- 0288US5072888ASymmetrical protective cap for a rotary hammer assembly for a hammermillSIVYER STEEL CORP·Filed 1989·Granted Dec 17, 1991·40 cites·8 claims
- 0382US5169077AReplaceable end member for a hammermill spiderSIVYER STEEL CORP·Filed 1988·Granted Dec 8, 1992·30 cites·7 claims
- 0472USD426556SMetal shredder hammerSIVYER STEEL CORP·Filed 1997·Granted Jun 13, 2000·22 cites·1 claims
- 0570US7757979B2Hammermill hammer with pin-hole insertRIVERSIDE PRODUCTS INC·Filed 2008·Granted Jul 20, 2010·6 cites·7 claims
- 0670US5022593AHeavy duty spider assembly for a hammermillSIVYER STEEL CORP·Filed 1990·Granted Jun 11, 1991·25 cites·10 claims
- 0738US2006226269A1Offset disc hammer assembly for a hammermillRIVERSIDE ENGINEERING INC·Filed 2005·Application pending·0 cites
- 0837US5141167AHeavy duty disc-spider assembly for a hammermillSLVYER STEEL CORP·Filed 1991·Granted Aug 25, 1992·8 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →