Hydac Filtertechnik Gmbh patents

Hydac Filtertechnik Gmbh holds 98 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents98
Recent patents12
First publicationFeb 3, 2015
Latest publicationMar 31, 2026

Filing trend

Year-over-year patent counts for this assignee.

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
201518
201615
201713
201817
201910
20206
20213
20224
20232
20246
20253
20261
Browse patents by year
YearPatents
201518
201615
201713
201817
201910
20206
20213
20224
20232
20246
20253
20261

Recent patents

Latest publications where this party is an assignee.

Notable patents

Representative or frequently cited publications from precomputed assignee stats.

Top CPC classifications

Most common classification codes in this portfolio.

Top CPC codes by patent count
CPCPatents
B01D2201/29533
B01D29/2127
B01D35/3026
B01D2201/29126
B01D35/15323

Technology areas

Mapped technology topics for this assignee.

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Frequently asked questions

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

How many patents does Hydac Filtertechnik Gmbh have in patentsdb?
Hydac Filtertechnik Gmbh is linked to 98 publications as assignee in our database.
What technology areas does Hydac Filtertechnik Gmbh patent most?
Top mapped technology areas by patent count: Operations & Transport (89); Mechanical Engineering (29); Cross-Sectional Technologies (11).
Is Hydac Filtertechnik Gmbh's patent activity growing?
In our data, assignee counts were 6 in 2024 and 3 in 2025 (lower year over year).
What are recent patents assigned to Hydac Filtertechnik Gmbh?
See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.