Leco Corp patents

Leco Corp holds 167 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents167
Recent patents17
First publicationJan 22, 2015
Latest publicationFeb 3, 2026

Filing trend

Year-over-year patent counts for this assignee.

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
201528
201623
201725
201822
201914
202018
20219
20228
20237
202410
20252
20261
Browse patents by year
YearPatents
201528
201623
201725
201822
201914
202018
20219
20228
20237
202410
20252
20261

Recent patents

Latest publications where this party is an assignee.

Notable patents

Representative or frequently cited publications from precomputed assignee stats.

Top CPC classifications

Most common classification codes in this portfolio.

Top CPC codes by patent count
CPCPatents
H01J49/40682
H01J49/003160
H01J49/003644
H01J49/424543
H01J49/4043

Technology areas

Mapped technology topics for this assignee.

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Frequently asked questions

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

How many patents does Leco Corp have in patentsdb?
Leco Corp is linked to 167 publications as assignee in our database.
What technology areas does Leco Corp patent most?
Top mapped technology areas by patent count: Electricity (125); Physics (80); Mechanical Engineering (20).
Is Leco Corp's patent activity growing?
In our data, assignee counts were 10 in 2024 and 2 in 2025 (lower year over year).
What are recent patents assigned to Leco Corp?
See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.