美國發明專利
| 專利名稱 | 國別 | 證書號 | 發明人 | 專利權人 | 獲證日期 |
| Welding Flux for Use in Arc-welding of Stainless Steels, Method of Welding Stainless Steel Members Using the Welding Flux | United States of America | US7052559 | C.P. Chou H.Y. Huang S.W. Shyu K.H. Tseng T.C. Yang | National Chiao Tung University | 2006/05/30 |
| Activating Flux for Welding Stainless Steels | United States of America | US7896979 | P.C. Tseng K.H. Tseng | National Pingtung University of Science and Technology | 2011/03/01 |
| Welding Flux for Stainless Steel | United States of America | US8394206 | K.H. Tseng | National Pingtung University of Science and Technology | 2013/03/12 |
| Silver-containing Antiseptic Welding Flux for Stainless Steel | United States of America | US8704133 | K.H. Tseng | National Pingtung University of Science and Technology | 2014/04/22 |
| Local Resistance Heating Device with a Controlled Atmosphere | United States of America | US8847125 | K.H. Tseng J.M. Huang | National Pingtung University of Science and Technology | 2014/09/30 |
| Lined Sleeve for Tube Welding | United States of America | US9303799 | K.H. Tseng J.M. Huang | National Pingtung University of Science and Technology | 2016/04/05 |
| Welding Activated Flux for Structural Alloy Steels | United States of America | US9511454 | K.H. Tseng N.S. Wang | National Pingtung University of Science and Technology | 2016/12/06 |
| Welding Flux Used for Austenitic Stainless Steel | United States of America | US9981350 | K.H. Tseng | National Pingtung University of Science and Technology | 2018/05/29 |
| Ignition Flux for Arc Stud Welding and Arc Stud Welding Method | United States of America | US10434594 | K.H. Tseng | National Pingtung University of Science and Technology | 2019/10/08 |
| Welding Flux for Duplex Stainless Steel | United States of America | US10792769 | K.H. Tseng | National Pingtung University of Science and Technology | 2020/10/06 |
| TIG Welding Flux for Dissimilar Steels | United States of America | US11660708 | K.H. Tseng | National Pingtung University of Science and Technology | 2023/05/30 |
| TIG Welding Flux for Chromium-Molybdenum Steel and Method for Using The Same | United States of America | US12251778 | K.H. Tseng | National Pingtung University of Science and Technology | 2025/03/18 |
| Method of Using TIG Welding Flux for Super Duplex Stainless Steel | United States of America | US | K.H. Tseng | National Pingtung University of Science and Technology | 2025/07/ |