Inventor · disambiguated record
Ralph W. Mccallum
Also filed as: MCCALLUM RALPH W · MCCALLUM RALPH WILLIAM
4 granted patents·5 pending applications·1 citations·filing 2005–2022
57Inventor score
Files withUNIV IOWA STATE RES FOUND INC5GSCHNEIDNER JR KARL A1LOWA STATE UNIV RESEARCH FOUNDATION INC1MCCALLUM RALPH W1UT BATTELLE LLC1
Top patents by PatentIndex Score
9 records- 0166US9725788B2Recovering heavy rare earth metals from magnet scrapUNIV IOWA STATE RES FOUND INC·Filed 2015·Granted Aug 8, 2017·1 cites·17 claims
- 0259US2023087130A1Permanent Magnet Alloys For GAP MagnetsLOWA STATE UNIV RESEARCH FOUNDATION INC·Filed 2022·Application pending·0 cites
- 0356US11649537B2Permanent magnet alloys for gap magnetsUNIV IOWA STATE RES FOUND INC·Filed 2018·Granted May 16, 2023·0 cites·18 claims
- 0456US10323299B2Recovering rare earth metals from magnet scrapUNIV IOWA STATE RES FOUND INC·Filed 2016·Granted Jun 18, 2019·0 cites·28 claims
- 0551US10782193B2High command fidelity electromagnetically driven calorimeterUT BATTELLE LLC·Filed 2017·Granted Sep 22, 2020·0 cites·21 claims
- 0641US2017121783A1Cobalt-Lean alnico alloyUNIV IOWA STATE RES FOUND INC·Filed 2016·Application pending·0 cites
- 0740US2012001711A1Permanent magnet with low or no dysprosium for high temperature performanceMCCALLUM RALPH W·Filed 2011·Application pending·0 cites
- 0837US2005268993A1Permanent magnet alloy with improved high temperature performanceUNIV IOWA STATE RES FOUND INC·Filed 2005·Application pending·0 cites
- 0936US2012282130A1Method for producing permanent magnet materials and resulting materialsGSCHNEIDNER JR KARL A·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →