Inventor · disambiguated record
R. William Mccallum
Also filed as: MCCALLUM R WILLIAM
12 granted patents·1 pending application·292 citations·filing 1985–2018
93Inventor score
Files withUNIV IOWA STATE RES FOUND INC9UT BATTELLE LLC2ENERGY CONVERSION DEVICES INC1UNIV NORTHEASTERN1
Top patents by PatentIndex Score
13 records- 0189US10586640B2Neodymium-iron-boron magnet with selective surface modification, and method of producing sameUT BATTELLE LLC·Filed 2017·Granted Mar 10, 2020·3 cites·7 claims
- 0285US5486240ACarbide/nitride grain refined rare earth-iron-boron permanent magnet and method of makingUNIV IOWA STATE RES FOUND INC·Filed 1994·Granted Jan 23, 1996·36 cites·13 claims
- 0383US5242508AMethod of making permanent magnetsUNIV IOWA STATE RES FOUND INC·Filed 1992·Granted Sep 7, 1993·50 cites·20 claims
- 0482US5470401AMethod of making bonded or sintered permanent magnetsUNIV IOWA STATE RES FOUND INC·Filed 1993·Granted Nov 28, 1995·40 cites·8 claims
- 0577US5690889AProduction method for making rare earth compoundsUNIV IOWA STATE RES FOUND INC·Filed 1996·Granted Nov 25, 1997·27 cites·16 claims
- 0675US6352649B1Material for magnetostrictive sensors and other applications based on ferrite materialsUNIV IOWA STATE RES FOUND INC·Filed 2000·Granted Mar 5, 2002·17 cites·16 claims
- 0774US5803992ACarbide/nitride grain refined rare earth-iron-boron permanent magnet and method of makingUNIV IOWA STATE RES FOUND INC·Filed 1995·Granted Sep 8, 1998·31 cites·5 claims
- 0873US5240513AMethod of making bonded or sintered permanent magnetsUNIV IOWA STATE RES FOUND INC·Filed 1990·Granted Aug 31, 1993·26 cites·36 claims
- 0970US5433978AMethod of making quasicrystal alloy powder, protective coatings and articlesUNIV IOWA STATE RES FOUND INC·Filed 1993·Granted Jul 18, 1995·29 cites·14 claims
- 1062US4637967AElectrodes made with disordered active material and methods of making the sameENERGY CONVERSION DEVICES INC·Filed 1985·Granted Jan 20, 1987·25 cites·33 claims
- 1143US2018229442A1Bonded permanent magnets produced by additive manufacturingUT BATTELLE LLC·Filed 2017·Application pending·0 cites
- 1241US11462358B2Method of tetratenite production and system thereforUNIV NORTHEASTERN·Filed 2018·Granted Oct 4, 2022·0 cites·19 claims
- 1338US6093337AMaterial for magnetostrictive sensors and other applications based on ferrite materialsUNIV IOWA STATE RES FOUND INC·Filed 1998·Granted Jul 25, 2000·8 cites·9 claims
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