山东大洋钢管集团有限公司

These are name-based results, not verified legal entities. Identical names may refer to different people or organizations; aliases and historical names are not merged.

This name was extracted from a distinct applicant node in the source XML.

1 indexed patent records

Patent counts refer to distinct records held by this site, not an applicant’s complete portfolio. A joint name field is not a single company.

Verified corpus date coverage and last import time are not currently available. Publication dates on patent records are not import dates. Cached directory results may lag behind new imports.