Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12411111 | Reference-free load-modulated longitudinal rail stress measurement using ultrasonic LCR waves | Adam C. Cobb, Douglas R. Earnest, Keith A. Bartels | 2025-09-09 |
| 12329334 | Surface cleaning apparatus | Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Yongsheng Liang, Kam Hoi Ma | 2025-06-17 |
| 12161273 | Surface cleaning apparatus | Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Yongsheng Liang, Kam Hoi Ma | 2024-12-10 |
| 12087333 | Hard disk fixing apparatus, hard disk cage and device having storage function | Yuhua Guo | 2024-09-10 |
| 11930975 | Surface cleaning apparatus | Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Yongsheng Liang, Kam Hoi Ma | 2024-03-19 |
| 11825996 | Surface cleaning apparatus | Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Yongsheng Liang, Kam Hoi Ma | 2023-11-28 |
| 11241134 | Surface cleaning apparatus | Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Yongsheng Liang, Kam Hoi Ma | 2022-02-08 |
| 11237258 | Method for optimization of a parametric array shallow profile difference frequency conversion performance | Shijian Guo, Qinglin Zhai, Zhiwei Xiao, Lu-An Chen, Luan Jiang | 2022-02-01 |
| 11122949 | Surface cleaning apparatus | Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Yongsheng Liang, Kam Hoi Ma | 2021-09-21 |
| 11096542 | Surface cleaning apparatus | Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Yongsheng Liang, Kam Hoi Ma | 2021-08-24 |
| 11096539 | Surface cleaning apparatus | Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Yongsheng Liang, Kam Hoi Ma | 2021-08-24 |
| 11096540 | Surface cleaning apparatus | Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Yongsheng Liang, Kam Hoi Ma | 2021-08-24 |
| 11096541 | Surface cleaning apparatus | Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Yongsheng Liang, Kam Hoi Ma | 2021-08-24 |
| 11096543 | Surface cleaning apparatus | Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Yongsheng Liang, Kam Hoi Ma | 2021-08-24 |
| 11089933 | Surface cleaning apparatus | Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Yongsheng Liang, Kam Hoi Ma | 2021-08-17 |
| 10925455 | Surface cleaning apparatus | Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Yongsheng Liang, Kam Hoi Ma | 2021-02-23 |
| 10820769 | Surface cleaning apparatus | Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Yongsheng Liang, Kam Hoi Ma | 2020-11-03 |
| 10631702 | Surface cleaning apparatus | Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Yongsheng Liang, Kin-leung Tam +2 more | 2020-04-28 |
| 10092155 | Surface cleaning apparatus | Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Yongsheng Liang, Kam Hoi Ma +4 more | 2018-10-09 |
| 8336416 | Ball screw device having cooling structure | Yueh-Ling Chiu | 2012-12-25 |
| 8082814 | Ball screw device having lubricating device | Zong-Sian Jiang, Wuteng Hsieh | 2011-12-27 |
| 7913531 | Roll profile for both shape control and free ruled rolling | Haodong Huang, Xianlin Chen, Anrui He, Lin Zhao, Xiaochun Sha +6 more | 2011-03-29 |
| 7810406 | Circulating assembly for a ball screw | — | 2010-10-12 |
| 7634952 | Rotating nut ball screw unit with lubricating arrangement | Chieh-Hung Tsai, Wu-Teng Hsieh | 2009-12-22 |
| 7562596 | Fixed torque preload piece | — | 2009-07-21 |