| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 31 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Engines, pumps and turbines | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Turning | |
| #2 | Lubricating of machines | |
| #3 | Thread cutting | |
| #4 | Cooling of machines | |
| #5 | Cylinders for combustion engines | |
| #6 | Earth drilling | |
| #7 | Sawing | |
| #8 | Milling | |
| #9 | Cyclically operating valves | |
| #10 | Woodworking tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Xu Yuan | 31 |
| Publication | Filing date | Title |
|---|---|---|
| CN104439429A | Percussion bit | |
| CN104526022A | Twist drill | |
| CN104475830A | Deep hole forming tool | |
| CN104439335A | Novel hard alloy molding knife | |
| CN104354197A | Three-sharp wood drill | |
| CN104353914A | Screw tap | |
| CN104353903A | Reamer | |
| CN104368859A | Single-edged cutting tool | |
| CN104353873A | Taper shank twist drill | |
| CN104353913A | Screw tap capable of being easily taken out after fracturing | |
| CN104353915A | Spiral tap | |
| CN104353874A | Flat drill | |
| CN104353852A | Novel shaping cutter | |
| CN104439337A | Forming cutter | |
| CN104439336A | Forming cutter | |
| CN104420972A | Sealing structure of water tank body and tank cover of diesel engine | |
| CN104420939A | Silencer of improved diesel engine | |
| CN104421065A | Intake-tube of improved diesel engine | |
| CN104420926A | Engine oil filter | |
| CN104422372A | Aperture measurement device |