Latest oppositions filed by Hydril Company

This table presents recent patent oppositions filed by Hydril Company against its competitors. It outlines key details of each case, including the patent title, filing date and the applicant. This information provides insights into the competitive landscape and highlights active disputes over patent grant within the industry.

Patent NumberTitleApplicantOpposition Date
EP3854987Self-Locking Threaded Connection Partially In Non-Locking EngagementNIPPON STEEL CORPORATIONMay 2, 2024
EP3992418Self-Locking Threaded Connection Partially In Non-Locking EngagementNIPPON STEEL CORPORATIONMay 2, 2024
EP3555412Threaded Joint For Tubular ComponentNIPPON STEEL CORPORATIONMar 28, 2024
EP4102025Self-Locking Threaded Connection Partially In Non-Locking EngagementNIPPON STEEL CORPORATIONMar 7, 2024
EP3514431Threaded JointNIPPON STEEL CORPORATIONJan 15, 2021
EP3473798Threaded Connection Partially In A Self-Locking EngagementNIPPON STEEL CORPORATIONDec 11, 2020
EP3234298Threaded ConnectionNIPPON STEEL CORPORATIONJan 31, 2020

The following table provides an overview of the latest patents of Hydril Company that has been opposed by its competitors. It provides an insight into the competitive landscape of the industry and highlights the patents that are subject to oppositions.

Patent NumberGrant DateTitleTotal Oppositions
EP3728923Oct 18, 2023Wedge Threadform Having Crest To Root Thread Compound Relief Areas1
EP2488777Jul 15, 2020Wedge Threads With A Solid Lubricant Coating1