Assignee
HOEGANAES CORP
US51 patents
Top patents by PatentIndex Score
US6039784AMar 21, 2000
Iron-based powder compositions containing green strength enhancing lubricants
HOEGANAES CORP56 citations96
US5782954AJul 21, 1998
Iron-based metallurgical compositions containing flow agents and methods for using same
HOEGANAES CORP91 citations96
US5498276AMar 12, 1996
Iron-based powder compositions containing green strengh enhancing lubricants
HOEGANAES CORP57 citations96
US5368630ANov 29, 1994
Metal powder compositions containing binding agents for elevated temperature compaction
HOEGANAES CORP97 citations96
US5290336AMar 1, 1994
Iron-based powder compositions containing novel binder/lubricants
HOEGANAES CORP60 citations96
US5298055AMar 29, 1994
Iron-based powder mixtures containing binder-lubricant
HOEGANAES CORP59 citations95
US5256185AOct 26, 1993
Method for preparing binder-treated metallurgical powders containing an organic lubricant
HOEGANAES CORP64 citations95
US6068813AMay 30, 2000
Method of making powder metallurgical compositions
HOEGANAES CORP69 citations94
US5268140ADec 7, 1993
Thermoplastic coated iron powder components and methods of making same
HOEGANAES CORP75 citations94
US5198137AMar 30, 1993
Thermoplastic coated magnetic powder compositions and methods of making same
HOEGANAES CORP76 citations94
US4834800AMay 30, 1989
Iron-based powder mixtures
HOEGANAES CORP103 citations94
US5518639AMay 21, 1996
Powder metallurgy lubricant composition and methods for using same
HOEGANAES CORP58 citations93
US5108493AApr 28, 1992
Steel powder admixture having distinct prealloyed powder of iron alloys
HOEGANAES CORP98 citations93
US6126715AOct 3, 2000
Iron-based powder compositions containing green strength enhancing lubricant
HOEGANAES CORP21 citations92
US5624631AApr 29, 1997
Iron-based powder compositions containing green strength enhancing lubricants
HOEGANAES CORP18 citations92
US5429792AJul 4, 1995
Metal powder compositions containing binding agents for elevated temperature compaction
HOEGANAES CORP35 citations92
US5154881AOct 13, 1992
Method of making a sintered metal component
HOEGANAES CORP113 citations92
US5063011ANov 5, 1991
Doubly-coated iron particles
HOEGANAES CORP128 citations92
US6372348B1Apr 16, 2002
Annealable insulated metal-based powder particles
HOEGANAES CORP33 citations91
US5543174AAug 6, 1996
Thermoplastic coated magnetic powder compositions and methods of making same
HOEGANAES CORP37 citations91
US5397530AMar 14, 1995
Methods and apparatus for heating metal powders
HOEGANAES CORP61 citations91
US5240742AAug 31, 1993
Method of producing metal coatings on metal powders
HOEGANAES CORP42 citations91
US6602315B2Aug 5, 2003
Metallurgical compositions containing binding agent/lubricant and process for preparing same
HOEGANAES CORP20 citations89
US6364927B1Apr 2, 2002
Metal-based powder compositions containing silicon carbide as an alloying powder
HOEGANAES CORP16 citations89
US6346133B1Feb 12, 2002
Metal-based powder compositions containing silicon carbide as an alloying powder
HOEGANAES CORP40 citations89
US5538684AJul 23, 1996
Powder metallurgy lubricant composition and methods for using same
HOEGANAES CORP37 citations89
US5484469AJan 16, 1996
Method of making a sintered metal component and metal powder compositions therefor
HOEGANAES CORP28 citations89
US5217683AJun 8, 1993
Steel powder composition
HOEGANAES CORP26 citations89
US5330792AJul 19, 1994
Method of making lubricated metallurgical powder composition
HOEGANAES CORP35 citations88
US5767426AJun 16, 1998
Ferromagnetic powder compositions formulated with thermoplastic materials and fluoric resins and compacted articles made from the same
HOEGANAES CORP27 citations86
US4921607AMay 1, 1990
Filter assembly for molten polymeric material
HOEGANAES CORP31 citations85
US5080712AJan 14, 1992
Optimized double press-double sinter powder metallurgy method
HOEGANAES CORP29 citations83
US7604678B2Oct 20, 2009
Powder metallurgical compositions containing organometallic lubricants
HOEGANAES CORP11 citations81
US4975333ADec 4, 1990
Metal coatings on metal powders
HOEGANAES CORP19 citations81
US5306524AApr 26, 1994
Thermoplastic coated magnetic powder compositions and methods of making same
HOEGANAES CORP19 citations80
US5321060AJun 14, 1994
Method of making an iron/polymer powder composition
HOEGANAES CORP15 citations78
US5225459AJul 6, 1993
Method of making an iron/polymer powder composition
HOEGANAES CORP19 citations78
US10351938B2Jul 16, 2019
Vanadium-containing powder metallurgical powders and methods of their use
HOEGANAES CORP6 citations76
US6395687B1May 28, 2002
Method of lubricating a die cavity and method of making metal-based components using an external lubricant
HOEGANAES CORP7 citations73
US6802885B2Oct 12, 2004
Powder metallurgy lubricant compositions and methods for using the same
HOEGANAES CORP11 citations72
US6534564B2Mar 18, 2003
Method of making metal-based compacted components and metal-based powder compositions suitable for cold compaction
HOEGANAES CORP10 citations72
US6682579B2Jan 27, 2004
Metal-based powder compositions containing silicon carbide as an alloying powder
HOEGANAES CORP7 citations70
US6280683B1Aug 28, 2001
Metallurgical compositions containing binding agent/lubricant and process for preparing same
HOEGANAES CORP14 citations70
US7153339B2Dec 26, 2006
Powder metallurgical compositions and methods for making the same
HOEGANAES CORP7 citations69
US7125435B2Oct 24, 2006
Powder metallurgy lubricants, compositions, and methods for using the same
HOEGANAES CORP2 citations61
US6887295B2May 3, 2005
Powder metallurgy lubricants, compositions, and methods for using the same
HOEGANAES CORP3 citations61
US6635122B2Oct 21, 2003
Methods of making and using annealable insulated metal-based powder particles
HOEGANAES CORP5 citations61
US7300489B2Nov 27, 2007
Powder metallurgical compositions and parts made therefrom
HOEGANAES CORP0 citations43
US9533353B2Jan 3, 2017
Lubricant system for use in powder metallurgy
HOEGANAES CORP0 citations42
US7322187B2Jan 29, 2008
Metallurgical powder compositions and articles and methods utilizing the same
HOEGANAES CORP0 citations40
Showing the top 50 of 51 patents by PatentIndex Score.