| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 13 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Mechanical elements | |
| #3 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Punching metal | |
| #2 | Tools for connecting or disengaging | |
| #3 | Nails | |
| #4 | Accessories for machine tools | |
| #5 | Handles for hand implements | |
| #6 | Springs | |
| #7 | Cleaning | |
| #8 | Percussive tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Zhou Dong | 13 |
| Publication | Filing date | Title |
|---|---|---|
| CN108131375A | New-type riveting nut | |
| CN107953287A | Power saving box spanner | |
| CN108097812A | New-type mould bases | |
| CN107866490A | Mold guide sleeve | |
| CN108115057A | New-type stripper | |
| CN107812852A | Mould discharging flexible member | |
| CN108127050A | Stamping die feeding bar | |
| CN108105237A | Firm profile shaft clamp spring | |
| CN108098675A | Automatic manual transmission rapping hammer | |
| CN108080522A | Circular die fixation clip | |
| CN107953122A | Curved slab drilling clamp for machining | |
| CN108105300A | Novel spring seat | |
| CN107824693A | Guide-post of die-set |