Drilling Tech Research Institute Of Sinopec Shengli Petroleum Engineering Co Ltd patents

Drilling Tech Research Institute Of Sinopec Shengli Petroleum Engineering Co Ltd holds 8 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents8
Recent patents5
First publicationAug 14, 2018
Latest publicationFeb 24, 2026

Filing trend

Year-over-year patent counts for this assignee.

Filing activity appears to be growing based on the most recent years.

Patents filed per year
YearPatents
20181
20232
20241
20253
20261
Browse patents by year
YearPatents
20181
20232
20241
20253
20261

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 Drilling Tech Research Institute Of Sinopec Shengli Petroleum Engineering Co Ltd have in patentsdb?
Drilling Tech Research Institute Of Sinopec Shengli Petroleum Engineering Co Ltd is linked to 8 publications as assignee in our database.
What technology areas does Drilling Tech Research Institute Of Sinopec Shengli Petroleum Engineering Co Ltd patent most?
Top mapped technology areas by patent count: Fixed Constructions (4); Chemistry & Metallurgy (3); Cross-Sectional Technologies (2).
Is Drilling Tech Research Institute Of Sinopec Shengli Petroleum Engineering Co Ltd's patent activity growing?
In our data, assignee counts were 1 in 2024 and 3 in 2025 (higher year over year).
What are recent patents assigned to Drilling Tech Research Institute Of Sinopec Shengli Petroleum Engineering Co Ltd?
See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.