System for hydrogen production under limited aerobic conditions
US-10378028-B2 · Aug 13, 2019 · US
This page is not indexed by search engines while we improve data quality.
Li Zhen patents
Li Zhen holds 3 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 3 |
| Recent patents | 0 |
| First publication | Apr 7, 2015 |
| Latest publication | Aug 13, 2019 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
System for hydrogen production under limited aerobic conditions
US-2019002924-A1 · Jan 3, 2019 · US
Waterproof switch having uniform tactile feel
US-9000315-B2 · Apr 7, 2015 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
System for hydrogen production under limited aerobic conditions
US-10378028-B2 · Aug 13, 2019 · US
System for hydrogen production under limited aerobic conditions
US-2019002924-A1 · Jan 3, 2019 · US
Waterproof switch having uniform tactile feel
US-9000315-B2 · Apr 7, 2015 · US
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| C12R1/145 | 2 |
| C07H3/02 | 2 |
| C07C323/58 | 2 |
| C07H3/04 | 2 |
| C12N1/20 | 2 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Chemistry & Metallurgy | 2 |
| Electricity | 1 |