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Aubert & Duval

Also on record
Records under this name other than the patents Aubert & Duval holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 18 patents it holds.

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PatentTitleStatus Expires Confidence
US 8,153,056Hardened Martensitic Steel, Method for Producing a Component from This Steel and Component Obtained in This Manner
Formerly held
In force
 · High confidence
In forceHigh confidence
US 8,702,879Method for Producing Martensitic Steel with Mixed Hardening
Formerly held
In force
 · High confidence
In forceHigh confidence
US 8,152,938Hardened Martensitic Steel, Method for Producing a Component from This Steel and Component Obtained in This Manner
Term ended
Term ended Apr 20, 2026 · High confidence
Term endedTerm ended Apr 20, 2026High confidence
US 8,192,560Hardened Martensitic Steel, Method for Producing a Component from This Steel and Component Obtained in This Manner
Term ended
Term ended Apr 20, 2026 · High confidence
Term endedTerm ended Apr 20, 2026High confidence
US 11,136,634Method for Heat Treating by Induction an Alloy Component for Generating Microstructure Gradients and an Alloy Component Heat Treated According to the Method
Lapsed on the fee record
Ended Oct 5, 2025 · High confidence
Lapsed on the fee recordEnded Oct 5, 2025High confidence
US 8,889,064Method for preparing a nickel superalloy part, and the part thus obtained
Lapsed on the fee record
Ended Nov 18, 2022 · From the USPTO record
Lapsed on the fee recordEnded Nov 18, 2022From the USPTO record
US 6,656,418Steel composition, method for making same and parts produced from said compositions, particularly valves
Term ended
Term ended May 9, 2022 · From the USPTO record
Term endedTerm ended May 9, 2022From the USPTO record
US 6,699,333Case hardened steel with high tempering temperature, method for obtaining same and parts formed with said steel
Term ended
Term ended Feb 26, 2021 · From the USPTO record
Term endedTerm ended Feb 26, 2021From the USPTO record
US 6,267,921Nickel-Free stainless steel for biomedical applications
Lapsed on the fee record
Ended Jul 31, 2013 · From the USPTO record
Lapsed on the fee recordEnded Jul 31, 2013From the USPTO record
US 6,280,685Tool steel composition
Lapsed on the fee record
Ended Aug 28, 2009 · From the USPTO record
Lapsed on the fee recordEnded Aug 28, 2009From the USPTO record
10 of 13 patents shown.
Pro members see all 13.
Pro members: see all 13 patents
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