How many patents does Amsted Rail Co Inc have in patentsdb?

Amsted Rail Co Inc is linked to 208 publications as assignee in our database.

What technology areas does Amsted Rail Co Inc patent most?

Top mapped technology areas by patent count: Operations & Transport (182); Mechanical Engineering (56); Physics (42).

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

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

Amsted Rail Co Inc holds 208 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.

Most common classification codes in this portfolio.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Operations & Transport	182
Mechanical Engineering	56
Physics	42
Electricity	23
Cross-Sectional Technologies	18
Fixed Constructions	9
Chemistry & Metallurgy	2

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

How many patents does Amsted Rail Co Inc have in patentsdb?: Amsted Rail Co Inc is linked to 208 publications as assignee in our database.
What technology areas does Amsted Rail Co Inc patent most?: Top mapped technology areas by patent count: Operations & Transport (182); Mechanical Engineering (56); Physics (42).
Is Amsted Rail Co Inc's patent activity growing?: In our data, assignee counts were 22 in 2024 and 14 in 2025 (lower year over year).
What are recent patents assigned to Amsted Rail Co Inc?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.