PatentsDB

Sinopec Petroleum Engineering Tech Service Co Ltd patents

Sinopec Petroleum Engineering Tech Service Co Ltd holds 11 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents11
Recent patents9
First publicationFeb 11, 2021
Latest publicationJul 22, 2025

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
20211
20234
20243
20253
Browse patents by year
YearPatents
20211
20234
20243
20253

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.

Company technology slices
TechnologyPatents
Fixed Constructions7
Chemistry & Metallurgy4
Cross-Sectional Technologies3
Electricity2
Physics1

Frequently asked questions

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

How many patents does Sinopec Petroleum Engineering Tech Service Co Ltd have in patentsdb?
Sinopec Petroleum Engineering Tech Service Co Ltd is linked to 11 publications as assignee in our database.
What technology areas does Sinopec Petroleum Engineering Tech Service Co Ltd patent most?
Top mapped technology areas by patent count: Fixed Constructions (7); Chemistry & Metallurgy (4); Cross-Sectional Technologies (3).
Is Sinopec Petroleum Engineering Tech Service Co Ltd's patent activity growing?
In our data, assignee counts were 3 in 2024 and 3 in 2025 (similar year over year).
What are recent patents assigned to Sinopec Petroleum Engineering Tech Service Co Ltd?
See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.