PatentsDB

Ningbo Tuotuo River Design Company patents

Ningbo Tuotuo River Design Company holds 92 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents92
Recent patents67
First publicationNov 16, 2021
Latest publicationMar 31, 2026

Filing trend

Year-over-year patent counts for this assignee.

Filing activity over the last five years is rapidly growing.

Patents filed per year
YearPatents
20211
202215
202325
202421
202515
202615
Browse patents by year
YearPatents
20211
202215
202325
202421
202515
202615

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
F16M13/0212
F16M11/109
F16M11/249
F16M11/20148
F16M2200/0638

Technology areas

Mapped technology topics for this assignee.

Company technology slices
TechnologyPatents
Mechanical Engineering24
Physics11
Human Necessities10
Electricity6
Operations & Transport4

Frequently asked questions

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

How many patents does Ningbo Tuotuo River Design Company have in patentsdb?
Ningbo Tuotuo River Design Company is linked to 92 publications as assignee in our database.
What technology areas does Ningbo Tuotuo River Design Company patent most?
Top mapped technology areas by patent count: Mechanical Engineering (24); Physics (11); Human Necessities (10).
Is Ningbo Tuotuo River Design Company's patent activity growing?
In our data, assignee counts were 21 in 2024 and 15 in 2025 (lower year over year).
What are recent patents assigned to Ningbo Tuotuo River Design Company?
See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.