How many patents does Tenneco Inc have in patentsdb?

Tenneco Inc is linked to 152 publications as assignee in our database.

What technology areas does Tenneco Inc patent most?

Top mapped technology areas by patent count: Mechanical Engineering (135); Operations & Transport (51); Chemistry & Metallurgy (50).

In our data, assignee counts were 7 in 2024 and 2 in 2025 (lower year over year).

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

Tenneco Inc holds 152 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 rapidly declining.

Latest publications where this party is an assignee.

Representative or frequently cited publications from precomputed assignee stats.

Most common classification codes in this portfolio.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Mechanical Engineering	135
Operations & Transport	51
Chemistry & Metallurgy	50
Cross-Sectional Technologies	46
Electricity	26
Physics	3

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

How many patents does Tenneco Inc have in patentsdb?: Tenneco Inc is linked to 152 publications as assignee in our database.
What technology areas does Tenneco Inc patent most?: Top mapped technology areas by patent count: Mechanical Engineering (135); Operations & Transport (51); Chemistry & Metallurgy (50).
Is Tenneco Inc's patent activity growing?: In our data, assignee counts were 7 in 2024 and 2 in 2025 (lower year over year).
What are recent patents assigned to Tenneco Inc?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.