R. William McCallum

Person

Ames, IA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Neodymium-iron-boron magnet with selective surface modification, an...
- Patent number 10,586,640
- Issue date Mar 10, 2020
- UT-Battelle, LLC
- Mariappan Parans Paranthaman
- C21 - METALLURGY OF IRON
Information Patent Grant
Material for magnetostrictive sensors and other applications based...
- Patent number 6,352,649
- Issue date Mar 5, 2002
- Iowa State University Research Foundation Inc.
- R. William McCallum
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Material for magnetostrictive sensors and other applications based...
- Patent number 6,093,337
- Issue date Jul 25, 2000
- Iowa State University Research Foundation, Inc.
- R. William McCallum
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Carbide/nitride grain refined rare earth-iron-boron permanent magne...
- Patent number 5,803,992
- Issue date Sep 8, 1998
- Iowa State University Research Foundation, Inc.
- R. William McCallum
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Production method for making rare earth compounds
- Patent number 5,690,889
- Issue date Nov 25, 1997
- Iowa State University Research Foundation, Inc.
- R. William McCallum
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Carbide/nitride grain refined rare earth-iron-boron permanent magne...
- Patent number 5,486,240
- Issue date Jan 23, 1996
- Iowa State University Research Foundation, Inc.
- R. William McCallum
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method of making bonded or sintered permanent magnets
- Patent number 5,470,401
- Issue date Nov 28, 1995
- Iowa State University Research Foundation, Inc.
- R. William McCallum
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method of making quasicrystal alloy powder, protective coatings and...
- Patent number 5,433,978
- Issue date Jul 18, 1995
- Iowa State University Research Foundation, Inc.
- Jeffrey E. Shield
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method of making permanent magnets
- Patent number 5,242,508
- Issue date Sep 7, 1993
- Iowa State University Research Foundation, Inc.
- R. William McCallum
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method of making bonded or sintered permanent magnets
- Patent number 5,240,513
- Issue date Aug 31, 1993
- Iowa State University Research Foundation, Inc.
- R. William McCallum
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
BONDED PERMANENT MAGNETS PRODUCED BY ADDITIVE MANUFACTURING
- Publication number 20180229442
- Publication date Aug 16, 2018
- UT-Battelle, LLC
- Huseyin UCAR
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
NEODYMIUM-IRON-BORON MAGNET WITH SELECTIVE SURFACE MODIFICATION, AN...
- Publication number 20170213626
- Publication date Jul 27, 2017
- UT-Battelle, LLC
- Mariappan Parans PARANTHAMAN
- C21 - METALLURGY OF IRON

R. William McCallum

Person

Patents Grantslast 30 patents

Neodymium-iron-boron magnet with selective surface modification, an...

Material for magnetostrictive sensors and other applications based...

Material for magnetostrictive sensors and other applications based...

Carbide/nitride grain refined rare earth-iron-boron permanent magne...

Production method for making rare earth compounds

Carbide/nitride grain refined rare earth-iron-boron permanent magne...

Method of making bonded or sintered permanent magnets

Method of making quasicrystal alloy powder, protective coatings and...

Method of making permanent magnets

Method of making bonded or sintered permanent magnets

Patents Applicationslast 30 patents

BONDED PERMANENT MAGNETS PRODUCED BY ADDITIVE MANUFACTURING

NEODYMIUM-IRON-BORON MAGNET WITH SELECTIVE SURFACE MODIFICATION, AN...