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Keystone Powdered Metal Company
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St. Marys, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method for making powder metal prototypes by 3-D printing
Patent number
12,103,075
Issue date
Oct 1, 2024
Keystone Powdered Metal Company
Peter G. Imbrogno
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Attachment of powdered metal to powder forged or wrought materials
Patent number
11,999,010
Issue date
Jun 4, 2024
Keystone Powdered Metal Company
Peter Stauffer
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Acoustical dampening powder metal parts
Patent number
11,992,880
Issue date
May 28, 2024
Keystone Powdered Metal Company
Peter G. Imbrogno
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Two-way clutch assembly
Patent number
11,920,643
Issue date
Mar 5, 2024
Keystone Powdered Metal Company
Bradley Reiter
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Process for manufacturing toroid parts
Patent number
11,883,883
Issue date
Jan 30, 2024
Keystone Powdered Metal Company
Gary L. Anderson
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
High strength part having powder metal internal ring
Patent number
11,850,662
Issue date
Dec 26, 2023
Keystone Powdered Metal Company
Gary L. Anderson
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Sinter brazing of powdered metal sinter hard matertial component to...
Patent number
11,806,799
Issue date
Nov 7, 2023
Keystone Powdered Metal Company
Peter G. Imbrogno
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Powder metal parts with improved machinability
Patent number
11,707,785
Issue date
Jul 25, 2023
Keystone Powdered Metal Company
Peter G. Imbrogno
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Rocker
Patent number
D933113
Issue date
Oct 12, 2021
Keystone Powdered Metal Company
Bradley Reiter
D15 - Machines not elsewhere specified
Information
Patent Grant
Rocker with circumferential tail
Patent number
D931920
Issue date
Sep 28, 2021
Keystone Powdered Metal Company
Bradley Reiter
D15 - Machines not elsewhere specified
Information
Patent Grant
Process for manufacturing toroid parts
Patent number
11,097,346
Issue date
Aug 24, 2021
Keystone Powdered Metal Company
Gary L. Anderson
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Two-way clutch assembly
Patent number
11,028,885
Issue date
Jun 8, 2021
Keystone Powdered Metal Company
Bradley Reiter
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Surface roughening of powder metal parts
Patent number
10,948,026
Issue date
Mar 16, 2021
Keystone Powdered Metal Company
Matthew G. Herbstritt
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Surface roughening of powder metal parts
Patent number
10,458,482
Issue date
Oct 29, 2019
Keystone Powdered Metal Company
Matthew G. Herbstritt
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Two-way clutch assembly
Patent number
10,208,814
Issue date
Feb 19, 2019
Keystone Powdered Metal Company
Bradley Reiter
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Powder ferrous metal compositions containing aluminum
Patent number
5,864,071
Issue date
Jan 26, 1999
Keystone Powdered Metal Company
John C. Kosco
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
Information
Patent Application
ATTACHMENT OF POWDERED METAL TO POWDER FORGED OR WROUGHT MATERIALS
Publication number
20240316694
Publication date
Sep 26, 2024
KEYSTONE POWDERED METAL COMPANY
Peter Stauffer
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
ACOUSTICAL DAMPENING POWDER METAL PARTS
Publication number
20240253121
Publication date
Aug 1, 2024
KEYSTONE POWDERED METAL COMPANY
Peter G. Imbrogno
B22 - CASTING POWDER METALLURGY
Information
Patent Application
TWO-WAY CLUTCH ASSEMBLY
Publication number
20240209905
Publication date
Jun 27, 2024
KEYSTONE POWDERED METAL COMPANY
Bradley Reiter
B22 - CASTING POWDER METALLURGY
Information
Patent Application
PROCESS FOR MANUFACTURING TOROID PARTS
Publication number
20240157439
Publication date
May 16, 2024
KEYSTONE POWDERED METAL COMPANY
Gary L. Anderson
B22 - CASTING POWDER METALLURGY
Information
Patent Application
POWDER METAL PARTS WITH IMPROVED MACHINABILITY
Publication number
20230302536
Publication date
Sep 28, 2023
KEYSTONE POWDERED METAL COMPANY
Peter G. Imbrogno
B22 - CASTING POWDER METALLURGY
Information
Patent Application
PROCESS FOR MANUFACTURING TOROID PARTS
Publication number
20210354199
Publication date
Nov 18, 2021
KEYSTONE POWDERED METAL COMPANY
Gary L. Anderson
B22 - CASTING POWDER METALLURGY
Information
Patent Application
TWO-WAY CLUTCH ASSEMBLY
Publication number
20210277963
Publication date
Sep 9, 2021
KEYSTONE POWDERED METAL COMPANY
Bradley Reiter
B22 - CASTING POWDER METALLURGY
Information
Patent Application
SURFACE ROUGHENING OF POWDER METAL PARTS
Publication number
20190368552
Publication date
Dec 5, 2019
KEYSTONE POWDERED METAL COMPANY
Matthew G. Herbstritt
B22 - CASTING POWDER METALLURGY
Information
Patent Application
PROCESS FOR MANUFACTURING HIGH DENSITY ARTICLES FROM STAINLESS STEE...
Publication number
20190321891
Publication date
Oct 24, 2019
KEYSTONE POWDERED METAL COMPANY
Gary L. Anderson
B22 - CASTING POWDER METALLURGY
Information
Patent Application
TWO-WAY CLUTCH ASSEMBLY
Publication number
20190178312
Publication date
Jun 13, 2019
KEYSTONE POWDERED METAL COMPANY
Bradley Reiter
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Trademark
last 30 trademarks