How many patents does Nanjing Chervon Ind Co Ltd have in patentsdb?

Nanjing Chervon Ind Co Ltd is linked to 892 publications as assignee in our database.

What technology areas does Nanjing Chervon Ind Co Ltd patent most?

Top mapped technology areas by patent count: Operations & Transport (508); Electricity (355); Human Necessities (324).

In our data, assignee counts were 162 in 2024 and 185 in 2025 (higher year over year).

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

Nanjing Chervon Ind Co Ltd holds 892 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
Operations & Transport	508
Electricity	355
Human Necessities	324
Cross-Sectional Technologies	174
Mechanical Engineering	73
Physics	66
Fixed Constructions	64

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

How many patents does Nanjing Chervon Ind Co Ltd have in patentsdb?: Nanjing Chervon Ind Co Ltd is linked to 892 publications as assignee in our database.
What technology areas does Nanjing Chervon Ind Co Ltd patent most?: Top mapped technology areas by patent count: Operations & Transport (508); Electricity (355); Human Necessities (324).
Is Nanjing Chervon Ind Co Ltd's patent activity growing?: In our data, assignee counts were 162 in 2024 and 185 in 2025 (higher year over year).
What are recent patents assigned to Nanjing Chervon Ind Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.