How many patents does Stewart & Stevenson Llc have in patentsdb?

Stewart & Stevenson Llc is linked to 81 publications as assignee in our database.

What technology areas does Stewart & Stevenson Llc patent most?

Top mapped technology areas by patent count: Fixed Constructions (39); Mechanical Engineering (35); Electricity (23).

In our data, assignee counts were 14 in 2024 and 22 in 2025 (higher year over year).

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

Stewart & Stevenson Llc holds 81 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 growing.

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
Fixed Constructions	39
Mechanical Engineering	35
Electricity	23
Operations & Transport	22
Cross-Sectional Technologies	11
Physics	5
Human Necessities	2

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

How many patents does Stewart & Stevenson Llc have in patentsdb?: Stewart & Stevenson Llc is linked to 81 publications as assignee in our database.
What technology areas does Stewart & Stevenson Llc patent most?: Top mapped technology areas by patent count: Fixed Constructions (39); Mechanical Engineering (35); Electricity (23).
Is Stewart & Stevenson Llc's patent activity growing?: In our data, assignee counts were 14 in 2024 and 22 in 2025 (higher year over year).
What are recent patents assigned to Stewart & Stevenson Llc?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.