Inventor · disambiguated record
Alvin A. Kimpel
Also filed as: KIMPEL ALVIN A
5 granted patents·195 citations·filing 1990–2001
85Inventor score
Technology areasF16K
Top patents by PatentIndex Score
5 records- 0184US5413140ASpring-assisted split seat gate valveWARMAN INT LTD·Filed 1994·Granted May 9, 1995·48 cites·15 claims
- 0281US5020776ASplit seat gate valveWARMAN INTERNATIONAL INC·Filed 1990·Granted Jun 4, 1991·50 cites·19 claims
- 0380US5082247ASplit seat gate valveWARMAN INTERNATIONAL INC·Filed 1991·Granted Jan 21, 1992·46 cites·13 claims
- 0476US5582200AGate valve with spring assisted valve linerWARMAN INT LTD·Filed 1995·Granted Dec 10, 1996·34 cites·11 claims
- 0571US6588729B1Packing box arrangement for a gate valveWEIR SLURRY GROUP INC·Filed 2001·Granted Jul 8, 2003·17 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →