IP Verse

Hydril Company opposition analysis

COMPANY ANALYSIS

Latest oppositions filed by Hydril Company

Patent Number:
EP3854987
Title:
Self-Locking Threaded Connection Partially In Non-Locking Engagement
Applicant:
NIPPON STEEL CORPORATION
Opposition Date:
May 2, 2024
Patent Number:
EP3992418
Title:
Self-Locking Threaded Connection Partially In Non-Locking Engagement
Applicant:
NIPPON STEEL CORPORATION
Opposition Date:
May 2, 2024
Patent Number:
EP3555412
Title:
Threaded Joint For Tubular Component
Applicant:
NIPPON STEEL CORPORATION
Opposition Date:
Mar 28, 2024
Patent Number:
EP4102025
Title:
Self-Locking Threaded Connection Partially In Non-Locking Engagement
Applicant:
NIPPON STEEL CORPORATION
Opposition Date:
Mar 7, 2024
Patent Number:
EP3514431
Title:
Threaded Joint
Applicant:
NIPPON STEEL CORPORATION
Opposition Date:
Jan 15, 2021
Patent Number:
EP3473798
Title:
Threaded Connection Partially In A Self-Locking Engagement
Applicant:
NIPPON STEEL CORPORATION
Opposition Date:
Dec 11, 2020
Patent Number:
EP3234298
Title:
Threaded Connection
Applicant:
NIPPON STEEL CORPORATION
Opposition Date:
Jan 31, 2020

Latest patents of Hydril Company opposed by its competitors

Patent:
EP2488777
Grant Date:
Jul 15, 2020
Title:
Wedge Threads With A Solid Lubricant Coating
Oppositions:
1

Competitors of Hydril Company

VALLOUREC OIL AND GAS FRANCE

NIPPON STEEL CORPORATION

NIPPON STEEL & SUMITOMO METAL CORPORATION

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