| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 14 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machine tools | |
| #3 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Metal-working | |
| #3 | Making metal sheets | |
| #4 | Separation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Xie Caihong | 14 |
| #2 | Liu Jinglei | 2 |
| Publication | Filing date | Title |
|---|---|---|
| CN104416332A | Seamless stainless steel three-way joint production process | |
| CN104416333A | Process for manufacturing steel seamless tees | |
| CN104338784A | Production technology of steel reducing pipe | |
| CN104339127A | Production process of steel seamless elbow | |
| CN104344131A | Reducing tee | |
| CN104344142A | 180-degree bend | |
| CN104340510A | Pipe cap | |
| CN104344139A | 45-degree bend | |
| CN104344135A | Reducing four-way connector | |
| CN104344132A | Isodiametric tee joint | |
| CN104344134A | Isodiametric four-way joint | |
| CN104344109A | Eccentric reducer | |
| CN104344138A | 90-degree bend | |
| CN104344123A | Concentric reducer |