Mining elevator
US-9272881-B2 · Mar 1, 2016 · US
This page is not indexed by search engines while we improve data quality.
Zhu Zhencai patents
Zhu Zhencai holds 3 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 3 |
| Recent patents | 0 |
| First publication | Oct 13, 2015 |
| Latest publication | Mar 1, 2016 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Mining elevator
US-9272881-B2 · Mar 1, 2016 · US
Apparatus and method for automatically adjusting the tension of a flexible guide rail
US-9242836-B2 · Jan 26, 2016 · US
Mining elevator traction cable connecting apparatus and measuring method therefor
US-9156655-B2 · Oct 13, 2015 · US
Top CPC classifications
Most common classification codes in this portfolio.
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Operations & Transport | 3 |
| Fixed Constructions | 1 |