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David Elmer Wert
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Wyomissing, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Quench and temper corrosion resistant steel alloy and method for pr...
Patent number
11,634,803
Issue date
Apr 25, 2023
CRS HOLDINGS, LLC
David E. Wert
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Quench and temper corrosion resistant steel alloy
Patent number
10,458,007
Issue date
Oct 29, 2019
CRS Holdings, Inc.
David E. Wert
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method of manufacturing a ferrous alloy article using powder metall...
Patent number
10,094,007
Issue date
Oct 9, 2018
CRS Holdings Inc.
David E. Wert
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
High-hardness powder metallurgy tool steel and article made therefrom
Patent number
6,482,354
Issue date
Nov 19, 2002
CRS Holdings, Inc.
David E. Wert
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
Quench and Temper Corrosion Resistant Steel Alloy and Method for Pr...
Publication number
20200063247
Publication date
Feb 27, 2020
CRS HOLDINGS, INC.
David E. Wert
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Method Of Manufacturing A Ferrous Alloy Article Using Powder Metall...
Publication number
20180363105
Publication date
Dec 20, 2018
CRS HOLDINGS INC.
David E. Wert
C21 - METALLURGY OF IRON
Information
Patent Application
High Strength Precipitation Hardenable Stainless Steel
Publication number
20180320256
Publication date
Nov 8, 2018
CRS HOLDINGS, INC.
David E. Wert
C21 - METALLURGY OF IRON
Information
Patent Application
QUENCH AND TEMPER CORROSION RESISTANT STEEL ALLOY
Publication number
20170002447
Publication date
Jan 5, 2017
CRS HOLDINGS, INC.
David E. Wert
C21 - METALLURGY OF IRON
Information
Patent Application
High Strength Precipitation Hardenable Stainless Steel
Publication number
20160319406
Publication date
Nov 3, 2016
CRS HOLDINGS, INC.
David E. Wert
C21 - METALLURGY OF IRON
Information
Patent Application
Method Of Manufacturing A Ferrous Alloy Article Using Powder Metall...
Publication number
20150118095
Publication date
Apr 30, 2015
CRS HOLDINGS INC.
David E. Wert
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
High Strength Precipitation Hardenable Stainless Steel
Publication number
20140161658
Publication date
Jun 12, 2014
CRS HOLDINGS, INC.
David E. Wert
C21 - METALLURGY OF IRON
Information
Patent Application
QUENCH AND TEMPER CORROSION RESISTANT STEEL ALLOY
Publication number
20140140883
Publication date
May 22, 2014
CRS HOLDINGS, INC.
David E. Wert
C21 - METALLURGY OF IRON
Information
Patent Application
Ultra-High Strength Stainless Alloy Strip, a Method of Making Same,...
Publication number
20130220491
Publication date
Aug 29, 2013
CRS HOLDINGS, INC.
Theodore Kosa
C21 - METALLURGY OF IRON
Information
Patent Application
Method of Making a High Strength, High Toughness, Fatigue Resistant...
Publication number
20120055288
Publication date
Mar 8, 2012
Robert Wayne Krieble
C21 - METALLURGY OF IRON
Information
Patent Application
Ultra-High Strength Stainless Alloy Strip, a Method of Making Same,...
Publication number
20100108203
Publication date
May 6, 2010
Theodore Kosa
C21 - METALLURGY OF IRON
Information
Patent Application
Method of Making a High Strength, High Toughness, Fatigue Resistant...
Publication number
20090283182
Publication date
Nov 19, 2009
Robert Wayne Krieble
C21 - METALLURGY OF IRON