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using the impregnating technique
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CPC
C22C33/0242
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CHEMISTRY METALLURGY
C22
Metallurgy
C22C
ALLOYS
C22C33/00
Making ferrous alloys
Current Industry
C22C33/0242
using the impregnating technique
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Patents Grants
last 30 patents
Information
Patent Grant
Iron-based sintered alloy valve seat
Patent number
12,049,689
Issue date
Jul 30, 2024
TPR CO., LTD.
Koki Maeda
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Sintered bearing bush material, sliding bearing, internal combustio...
Patent number
11,796,000
Issue date
Oct 24, 2023
Mahle International GmbH
Andreas Gutmann
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Sliding bearing, method for producing a sliding bearing, internal c...
Patent number
11,619,258
Issue date
Apr 4, 2023
Mahle International GmbH
Armin Geis
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Additive manufactured interpenetrating phase composite
Patent number
11,325,206
Issue date
May 10, 2022
UT-Battelle, LLC
Alex E. Pawlowski
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Powder metallurgy moulding composition notably intended for manufac...
Patent number
11,015,236
Issue date
May 25, 2021
The Swatch Group Research and Development Ltd.
Bernard Bertheville
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method of three-dimensional printing using a multi-component build...
Patent number
11,001,048
Issue date
May 11, 2021
The ExOne Company
Michael J. Orange
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for the production of an element subject to wear, element su...
Patent number
10,357,830
Issue date
Jul 23, 2019
F.A.R.- Fonderie Acciaierie Roiale-SpA
Alberto Andreussi
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Composite wear pad and methods of making the same
Patent number
9,849,532
Issue date
Dec 26, 2017
Kennametal Inc.
Qingjun Zheng
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Oil-impregnated sintered bearing and production method therefor
Patent number
9,441,286
Issue date
Sep 13, 2016
Hitachi Powdered Metals Co., Ltd.
Naoki Nishizawa
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for producing a storage structure of an electrical energy st...
Patent number
9,299,979
Issue date
Mar 29, 2016
Siemens Aktiengesellschaft
Carsten Schuh
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Sintered valve guide and production method therefor
Patent number
9,212,572
Issue date
Dec 15, 2015
Hitachi Powdered Metals Co., Ltd.
Hiroki Fujitsuka
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Powder metal component impregnated with ceria and/or yttria and met...
Patent number
8,962,147
Issue date
Feb 24, 2015
Federal-Mogul Corporation
Denis Christopherson
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Composite tooth for working the ground or rock
Patent number
8,646,192
Issue date
Feb 11, 2014
Magotteaux International S.A.
Guy Berton
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Methods of preparing high density powder metallurgy parts by iron b...
Patent number
8,636,948
Issue date
Jan 28, 2014
Hoeganaes Corporation
Frederick J. Semel
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Powder metallurgy composition
Patent number
8,277,533
Issue date
Oct 2, 2012
Federal-Mogul Sintered Products Limited
Leslie John Farthing
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Permanent magnet and method of manufacturing same
Patent number
8,262,808
Issue date
Sep 11, 2012
ULVAC, Inc.
Hiroshi Nagata
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Infiltration methods for forming drill bits
Patent number
8,047,260
Issue date
Nov 1, 2011
Baker Hughes Incorporated
Timothy P. Uno
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Metal bearing
Patent number
7,810,999
Issue date
Oct 12, 2010
Aisin Seiki Kabushiki Kaisha
Hiroshi Kobayashi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Wear resistant sintered member
Patent number
7,575,619
Issue date
Aug 18, 2009
Hitachi Powdered Metals Co., Ltd.
Hideaki Kawata
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Copper-based alloys and their use for infiltration of powder metal...
Patent number
7,341,093
Issue date
Mar 11, 2008
LLC 2 Holdings Limited, LLC
Paul Rivest
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Infiltrating a powder metal skeleton by a similar alloy with depres...
Patent number
7,250,134
Issue date
Jul 31, 2007
Massachusetts Institute of Technology
Brian D. Kernan
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
High temperature corrosion and oxidation resistant valve guide for...
Patent number
7,235,116
Issue date
Jun 26, 2007
Eaton Corporation
Heron A. Rodrigues
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Sintered alloy for valve seats, valve seat and manufacturing method...
Patent number
6,951,579
Issue date
Oct 4, 2005
Teikoku Piston Ring Co., Ltd.
Yoshio Koyama
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Porous metal article, metal composite material using the article an...
Patent number
6,840,978
Issue date
Jan 11, 2005
Sumitomo Electric Industries, Ltd.
Takahiro Matsuura
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Production process for Fe-based sintered alloy valve seat
Patent number
6,793,876
Issue date
Sep 21, 2004
Mitsubishi Materials Corporation
Atsushi Kawakami
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Powder metal materials having high temperature wear and corrosion r...
Patent number
6,793,705
Issue date
Sep 21, 2004
Keystone Investment Corporation
John C. Kosco
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Sintered alloy for valve seat having excellent wear resistance and...
Patent number
6,712,871
Issue date
Mar 30, 2004
Hyundai Motor Company
Jung Seok Oh
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Copper-infiltrated iron powder article and method of forming same
Patent number
6,676,894
Issue date
Jan 13, 2004
NTN Corporation
William Victor Alcini
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Addition of h-BN in stainless steel powder metallurgy
Patent number
6,572,671
Issue date
Jun 3, 2003
Maxtech Manufacturing Inc.
Tandjaoui Baazi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Copper infiltrated ferro-phosphorous powder metal
Patent number
6,551,373
Issue date
Apr 22, 2003
NTN Corporation
William Victor Alcini
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
Information
Patent Application
Iron-Based Sintered Alloy Valve Seat
Publication number
20240191332
Publication date
Jun 13, 2024
TPR CO., LTD.
Koki Maeda
B22 - CASTING POWDER METALLURGY
Information
Patent Application
COMPOSITE TOOTH WITH FRUSTOCONICAL INSERT
Publication number
20210131076
Publication date
May 6, 2021
Magotteaux International S.A.
Guy Berton
B22 - CASTING POWDER METALLURGY
Information
Patent Application
POWDER METALLURGICALLY PRODUCED COMPONENT
Publication number
20200376544
Publication date
Dec 3, 2020
Bleistahl-Produktions GmbH &Co KG
Christopher Rynio
B22 - CASTING POWDER METALLURGY
Information
Patent Application
INOCULANT ALLOY FOR THICK CAST-IRON PARTS
Publication number
20150284830
Publication date
Oct 8, 2015
FERROPEM
Aurelie Fay
C21 - METALLURGY OF IRON
Information
Patent Application
Method for the Production of an Element Subject to Wear, Element Su...
Publication number
20130115475
Publication date
May 9, 2013
F.A.R. - FONDERIE ACCIAIERIE ROIALE - SPA
Alberto Andreussi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
OIL-IMPREGNATED SINTERED BEARING AND PRODUCTION METHOD THEREFOR
Publication number
20130101244
Publication date
Apr 25, 2013
Hitachi Powdered Metals Co., Ltd.
Naoki NISHIZAWA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
POWDER METAL COMPONENT IMPREGNATED WITH CERIA AND/OR YTTRIA AND MET...
Publication number
20120141811
Publication date
Jun 7, 2012
Denis Christopherson, JR.
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
SINTERED VALVE GUIDE AND PRODUCTION METHOD THEREFOR
Publication number
20110146448
Publication date
Jun 23, 2011
Hitachi Powdered Metals Co., Ltd.
Hiroki FUJITSUKA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
COPPER-BASED ALLOYS AND THEIR USE FOR INFILTRATION OF POWDER METAL...
Publication number
20100206509
Publication date
Aug 19, 2010
Paul Rivest
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
POWDER METALLURGY COMPOSITION
Publication number
20100190025
Publication date
Jul 29, 2010
FEDERAL-MOGUL SINTERED PRODUCTS LIMITED
Leslie John Farthing
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
INFILTRATION METHODS FOR FORMING DRILL BITS
Publication number
20100166592
Publication date
Jul 1, 2010
Timothy P. Uno
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
PERMANENT MAGNET AND METHOD OF MANUFACTURING SAME
Publication number
20100026432
Publication date
Feb 4, 2010
Hiroshi Nagata
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Process for producing aluminum composite material
Publication number
20090136377
Publication date
May 28, 2009
Keita Yamana
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METAL BEARING
Publication number
20090116773
Publication date
May 7, 2009
AISIN SEIKI KABUSHIKI KAISHA
Hiroshi Kobayashi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
COPPER-BASED ALLOYS AND THEIR USE FOR INFILTRATION OF POWDER METAL...
Publication number
20080138237
Publication date
Jun 12, 2008
Paul Rivest
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Wear resistant sintered member and production method therefor
Publication number
20060219054
Publication date
Oct 5, 2006
Hitachi Powdered Metals Co., Ltd.
Hideaki Kawata
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Copper-based alloys and their use for infiltration of powder metal...
Publication number
20060180251
Publication date
Aug 17, 2006
Paul Rivest
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Methods of preparing high density powder metallurgy parts by iron b...
Publication number
20050142025
Publication date
Jun 30, 2005
Frederick J. Semel
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Infiltrating a powder metal skeleton by a similar alloy with depres...
Publication number
20050109431
Publication date
May 26, 2005
Massachusetts Institute of Technology
Brian D. Kernan
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
High temperature corrosion and oxidation resistant valve guide for...
Publication number
20040237715
Publication date
Dec 2, 2004
Heron A. Rodrigues
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Production process for Fe-based sintered alloy valve seat
Publication number
20040131492
Publication date
Jul 8, 2004
MITSUBISHI MATERIALS CORPORATION
Atsushi Kawakami
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Sintered alloy having wear resistance for valve seat and method for...
Publication number
20030233910
Publication date
Dec 25, 2003
Lim Ho Jeong
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
COPPER-INFILTRATED IRON POWDER ARTICLE AND METHOD OF FORMING SAME
Publication number
20030221516
Publication date
Dec 4, 2003
William Victor Alcini
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Porous metal article, metal composite material using the article an...
Publication number
20030200837
Publication date
Oct 30, 2003
Takahiro Matsuura
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Sintered alloy for valve seats, valve seat and manufacturing method...
Publication number
20030177863
Publication date
Sep 25, 2003
Teikoku Piston Ring Co., Ltd.
Yoshio Koyama
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Powder metal materials having high temperature wear and corrosion r...
Publication number
20030110888
Publication date
Jun 19, 2003
John C. Kosco
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Sintered alloy for valve seat having excellent wear resistance and...
Publication number
20030097904
Publication date
May 29, 2003
Jung Seok Oh
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Copper infiltrated ferro-phosphorous powder metal
Publication number
20020027218
Publication date
Mar 7, 2002
William Victor Alcini
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
SILVER-COPPER-NICKEL INFILTRATION BRAZING FILLER METAL AND COMPOSIT...
Publication number
20010053456
Publication date
Dec 20, 2001
DAVID J. KEPNISS
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...