Sinopec Dalian Res Inst Petroleum & Petrochemicals Co Ltd patents

Sinopec Dalian Res Inst Petroleum & Petrochemicals Co Ltd holds 44 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents44
Recent patents40
First publicationDec 1, 2022
Latest publicationApr 2, 2026

Filing trend

Year-over-year patent counts for this assignee.

Filing activity appears stable based on the most recent years.

Patents filed per year
YearPatents
20221
20237
202415
202515
20266
Browse patents by year
YearPatents
20221
20237
202415
202515
20266

Recent patents

Latest publications where this party is an assignee.

Notable patents

Representative or frequently cited publications from precomputed assignee stats.

Technology areas

Mapped technology topics for this assignee.

Frequently asked questions

Answers are generated from the same data shown on this page.

How many patents does Sinopec Dalian Res Inst Petroleum & Petrochemicals Co Ltd have in patentsdb?
Sinopec Dalian Res Inst Petroleum & Petrochemicals Co Ltd is linked to 44 publications as assignee in our database.
What technology areas does Sinopec Dalian Res Inst Petroleum & Petrochemicals Co Ltd patent most?
Top mapped technology areas by patent count: Chemistry & Metallurgy (38); Operations & Transport (32); Cross-Sectional Technologies (21).
Is Sinopec Dalian Res Inst Petroleum & Petrochemicals Co Ltd's patent activity growing?
In our data, assignee counts were 15 in 2024 and 15 in 2025 (similar year over year).
What are recent patents assigned to Sinopec Dalian Res Inst Petroleum & Petrochemicals Co Ltd?
See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.