Inventor · disambiguated record
Donald R. Macrae
Also filed as: MACRAE DONALD · MACRAE DONALD R
6 granted patents·84 citations·filing 1975–1997
83Inventor score
Top patents by PatentIndex Score
6 records- 0188US4002466AMethod of reducing oresBETHLEHEM STEEL CORP·Filed 1975·Granted Jan 11, 1977·35 cites·5 claims
- 0262US3993473AMethod of reducing iron oxideBETHLEHEM STEEL CORP·Filed 1975·Granted Nov 23, 1976·13 cites·6 claims
- 0360US6227282B1Process for the aluminothermic welding of rails with alloying of the weld metal in the rail head regionELEKTRO THERMIT GMBH·Filed 1997·Granted May 8, 2001·22 cites·13 claims
- 0450US4830611AProcess for welding a railway rail, aluminothermic heating blocks for use in the process, and method of making said aluminothermic heating blocksELEKTRO THERMIT GMBH·Filed 1987·Granted May 16, 1989·8 cites·6 claims
- 0539US4099958AMethod of producing vanadiumBETHLEHEM STEEL CORP·Filed 1976·Granted Jul 11, 1978·4 cites·3 claims
- 0631US4234334AArc control in plasma arc reactorsBETHLEHEM STEEL CORP·Filed 1979·Granted Nov 18, 1980·2 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →