Office desk
US-D1107471-S · Dec 30, 2025 · US
This page is not indexed by search engines while we improve data quality.
Liu Jian patents
Liu Jian holds 22 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 22 |
| Recent patents | 7 |
| First publication | Jan 15, 2015 |
| Latest publication | Dec 30, 2025 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Coffee table
US-D1099601-S · Oct 28, 2025 · US
Database system for controlling the gate of subway riding area
US-12288435-B2 · Apr 29, 2025 · US
Glider exercise device
US-D1019826-S · Mar 26, 2024 · US
Spirit level
US-D1000977-S · Oct 10, 2023 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Office desk
US-D1107471-S · Dec 30, 2025 · US
Coffee table
US-D1099601-S · Oct 28, 2025 · US
Database system for controlling the gate of subway riding area
US-12288435-B2 · Apr 29, 2025 · US
Glider exercise device
US-D1019826-S · Mar 26, 2024 · US
Spirit level
US-D1000977-S · Oct 10, 2023 · US
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| H02K5/203 | 3 |
| H02K5/207 | 3 |
| F28D7/0041 | 2 |
| F28D1/06 | 2 |
| F28D7/005 | 2 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Electricity | 8 |
| Physics | 7 |
| Human Necessities | 3 |
| Mechanical Engineering | 3 |
| Chemistry & Metallurgy | 3 |
| Operations & Transport | 2 |
| Cross-Sectional Technologies | 2 |