Keystone Powdered Metal Company

United States of America

 
Total IP 21
Total IP Rank # 70,341
IP Activity Score 2.3/5.0    25
IP Activity Rank # 31,959

Patents

Trademarks

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Last Patent 2025 - Method for making powder metal p...
First Patent 1997 - Powder ferrous metal composition...

Latest Inventions, Goods, Services

2024 Invention Method for making powder metal prototypes by 3-d printing. It has been found that prototype part...
Invention Attachment of powdered metal to powder forged or wrought materials. This invention relates to a ...
Invention Acoustical dampening powder metal parts. It has been unexpected found that the sound dampening c...
Invention Two-way clutch assembly. The present invention discloses a clutch assembly which is comprised of...
2023 Invention Process for manufacturing toroid parts. It has been found that duplex monolithic parts can be man...
Invention Powder metal parts with improved machinability. It has been unexpected found that the machinabil...
2021 Invention Two-way clutch assembly. The present invention discloses a clutch assembly which is comprised of ...
Invention Sinter brazing of powdered metal sinter hard matertial component to a wrought steel component. Th...
Invention Attachment of powdered metal to powder forged or wrought materials. This invention relates to a m...
Invention Method for making powder metal prototypes by 3-d printing. This invention is based upon the disco...
2020 Invention High strength part having powder metal internal ring. By utilizing the technique of this inventio...
Invention Acoustical dampening powder metal parts. It has been unexpected found that the sound dampening ch...
Invention Powder metal parts with improved machinability. 5), into the part. Improved machinability is of e...
2019 Invention Surface roughening of powder metal parts. a which is within the range of 10 to 200 micro-inches, ...
Invention Rocker
Invention Rocker with circumferential tail
2018 Invention Process for manufacturing high density articles from stainless steel powder. It has been found t...
1997 Invention Powder ferrous metal compositions containing aluminum. Powdered ferrous metal compositions are di...