How many patents does Hydromecanique & Frottement have in patentsdb?

Hydromecanique & Frottement is linked to 89 publications as assignee in our database.

What technology areas does Hydromecanique & Frottement patent most?

Top mapped technology areas by patent count: Chemistry & Metallurgy (53); Mechanical Engineering (45); Operations & Transport (18).

In our data, assignee counts were 11 in 2024 and 9 in 2025 (lower year over year).

See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.

Hydromecanique & Frottement holds 89 patents in our database, with recent filings and technology areas summarized below.

Year-over-year patent counts for this assignee.

Filing activity over the last five years is stable.

Latest publications where this party is an assignee.

Representative or frequently cited publications from precomputed assignee stats.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Chemistry & Metallurgy	53
Mechanical Engineering	45
Operations & Transport	18
Electricity	13
Cross-Sectional Technologies	13
Physics	12

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

How many patents does Hydromecanique & Frottement have in patentsdb?: Hydromecanique & Frottement is linked to 89 publications as assignee in our database.
What technology areas does Hydromecanique & Frottement patent most?: Top mapped technology areas by patent count: Chemistry & Metallurgy (53); Mechanical Engineering (45); Operations & Transport (18).
Is Hydromecanique & Frottement's patent activity growing?: In our data, assignee counts were 11 in 2024 and 9 in 2025 (lower year over year).
What are recent patents assigned to Hydromecanique & Frottement?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.