Inventor · disambiguated record
Ralph E. Showman
Also filed as: SHOWMAN RALPH E
3 granted patents·8 pending applications·22 citations·filing 1998–2013
60Inventor score
Files withASHLAND INC2ASK CHEMICALS LP2SHOWMAN RALPH E2ASHLAND LICENSING INTELLECTUAL1AUFDERHEIDE RONALD C1
Top patents by PatentIndex Score
11 records- 0157US7967053B2Process for casting a part from a pour of molten metal into a mold assemblyASK CHEMICALS LP·Filed 2009·Granted Jun 28, 2011·0 cites·5 claims
- 0257US5983984AInsulating sleeve compositions and their usesASHLAND INC·Filed 1998·Granted Nov 16, 1999·22 cites·11 claims
- 0349US2007084789A1Filters made from chemical binders and microspheresASHLAND LICENSING INTELLECTUAL·Filed 2006·Application pending·0 cites
- 0444US2015298201A1Riser sleeve with air gapASK CHEMICALS LP·Filed 2013·Application pending·0 cites
- 0539US8426493B2Foundry mixes containing sulfate and/or nitrate salts and their usesSHOWMAN RALPH E·Filed 2010·Granted Apr 23, 2013·0 cites·20 claims
- 0639US2005016711A1Process for casting a metalASHLAND INC·Filed 2004·Application pending·0 cites
- 0739US2006091070A1Filters made from chemical binders and microspheresAUFDERHEIDE RONALD C·Filed 2004·Application pending·0 cites
- 0834US2001022999A1Exothermic sleeve mixes containing fine aluminumFiled 2001·Application pending·0 cites
- 0933US2003234093A1Process for casting a metalFiled 2002·Application pending·0 cites
- 1032US2004069434A1Process for preparing detailed foundry shapes and castingsFiled 2003·Application pending·0 cites
- 1129US2012199309A1Sand additives for molds/cores for metal castingSHOWMAN RALPH E·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →