How many patents does Mainstream Eng Corporation have in patentsdb?

Mainstream Eng Corporation is linked to 96 publications as assignee in our database.

What technology areas does Mainstream Eng Corporation patent most?

Top mapped technology areas by patent count: Mechanical Engineering (58); Operations & Transport (35); Chemistry & Metallurgy (25).

In our data, assignee counts were 15 in 2024 and 10 in 2025 (lower year over year).

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

Mainstream Eng Corporation holds 96 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 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
Mechanical Engineering	58
Operations & Transport	35
Chemistry & Metallurgy	25
Electricity	16
Cross-Sectional Technologies	9
Human Necessities	8
Physics	7

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

How many patents does Mainstream Eng Corporation have in patentsdb?: Mainstream Eng Corporation is linked to 96 publications as assignee in our database.
What technology areas does Mainstream Eng Corporation patent most?: Top mapped technology areas by patent count: Mechanical Engineering (58); Operations & Transport (35); Chemistry & Metallurgy (25).
Is Mainstream Eng Corporation's patent activity growing?: In our data, assignee counts were 15 in 2024 and 10 in 2025 (lower year over year).
What are recent patents assigned to Mainstream Eng Corporation?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.