PatentsDB

Mahle Donghyun Filter Systems Co Ltd patents

Mahle Donghyun Filter Systems Co Ltd holds 12 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents12
Recent patents3
First publicationDec 27, 2018
Latest publicationFeb 17, 2026

Filing trend

Year-over-year patent counts for this assignee.

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
20181
20191
20203
20211
20222
20232
20241
20261
Browse patents by year
YearPatents
20181
20191
20203
20211
20222
20232
20241
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.

Company technology slices
TechnologyPatents
Operations & Transport10
Mechanical Engineering8
Electricity6
Cross-Sectional Technologies4

Frequently asked questions

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

How many patents does Mahle Donghyun Filter Systems Co Ltd have in patentsdb?
Mahle Donghyun Filter Systems Co Ltd is linked to 12 publications as assignee in our database.
What technology areas does Mahle Donghyun Filter Systems Co Ltd patent most?
Top mapped technology areas by patent count: Operations & Transport (10); Mechanical Engineering (8); Electricity (6).
Is Mahle Donghyun Filter Systems Co Ltd's patent activity growing?
In our data, assignee counts were 2 in 2023 and 1 in 2024 (lower year over year).
What are recent patents assigned to Mahle Donghyun Filter Systems Co Ltd?
See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.