Ear spoon
US-D1037450-S · Jul 30, 2024 · US
Li Zhengzhong patents
Li Zhengzhong holds 5 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 5 |
| Recent patents | 1 |
| First publication | Jan 13, 2015 |
| Latest publication | Jul 30, 2024 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Crank circular sliding block mechanism, parts thereof, and equipment therefrom
US-10012224-B2 · Jul 3, 2018 · US
Crank circular sliding block mechanism and reciprocating member, cylinder block, internal combustion engine, and compressor
US-9593579-B2 · Mar 14, 2017 · US
Parts for crankshaft of internal combustion engine or compressor, crankshaft, internal combustion engine and compressor
US-9163658-B2 · Oct 20, 2015 · US
V-type block of a crank circular slider mechanism and a cylinder liner, a group of the cylinder liner, mechanical equipment thereof
US-8931442-B2 · Jan 13, 2015 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Ear spoon
US-D1037450-S · Jul 30, 2024 · US
Crank circular sliding block mechanism, parts thereof, and equipment therefrom
US-10012224-B2 · Jul 3, 2018 · US
Crank circular sliding block mechanism and reciprocating member, cylinder block, internal combustion engine, and compressor
US-9593579-B2 · Mar 14, 2017 · US
Parts for crankshaft of internal combustion engine or compressor, crankshaft, internal combustion engine and compressor
US-9163658-B2 · Oct 20, 2015 · US
V-type block of a crank circular slider mechanism and a cylinder liner, a group of the cylinder liner, mechanical equipment thereof
US-8931442-B2 · Jan 13, 2015 · US
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| F02B75/32 | 3 |
| F01B1/06 | 2 |
| F16C2226/60 | 1 |
| Y10T74/2173 | 1 |
| F16C3/14 | 1 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Mechanical Engineering | 4 |
| Cross-Sectional Technologies | 3 |
Frequently asked questions
Answers are generated from the same data shown on this page.
- How many patents does Li Zhengzhong have in patentsdb?
- Li Zhengzhong is linked to 5 publications as assignee in our database.
- What technology areas does Li Zhengzhong patent most?
- Top mapped technology areas by patent count: Mechanical Engineering (4); Cross-Sectional Technologies (3).
- Is Li Zhengzhong's patent activity growing?
- In our data, assignee counts were 1 in 2018 and 1 in 2024 (similar year over year).
- What are recent patents assigned to Li Zhengzhong?
- See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.