EP3728923

HYDRIL COMPANY
Application Number
EP18891838A
Filing Date
Dec 20, 2018
Status
Granted And Under Opposition
Sep 15, 2023
Grant Date
Oct 18, 2023
External Links
Slate, Register

Biblio Summary

The patent EP3728923B1 was granted on Oct 18, 2023 by Hydril Company The patent is currently Granted And Under Opposition.

The table below shows 1 patent oppositions filed on the patent at EPO, listing each opposing company and filing date. Tracking these filings indicates that the applicant is active in this industry, while opposing companies may be signaling their own interest in competing within the same space. These disputes are essential for insights into competitor actions, patent strategy and emerging technological trends.

CompanyOpposition DateOpposition Status

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VALLOUREC OIL AND GAS FRANCEJul 16, 2024ADMISSIBLE

The table below shows the patents of Hydril Company that have been opposed by other companies.

Patent NumberTitleGrant DateOpposition Count
EP2488777Wedge Threads With A Solid Lubricant CoatingJul 15, 20201