Issued Patents All Time
Showing 1–25 of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12018780 | Split pulse tube connecting line | Tian Lei, Ralph C. Longsworth | 2024-06-25 |
| 11971108 | Rotary valve of cryocooler and cryocooler | Qian Bao | 2024-04-30 |
| 11808504 | Cryogenic device and cryostat | — | 2023-11-07 |
| 11774147 | Cryocooler | Qian Bao | 2023-10-03 |
| 11662123 | Reversible pneumatic drive expander | Ralph C. Longsworth | 2023-05-30 |
| 11604010 | Co-axtal, double-inlet valve for pulse tube cryocooler | Tian Lei, Ralph C. Longsworth | 2023-03-14 |
| 11566821 | Cryocooler | Qian Bao | 2023-01-31 |
| 11530847 | Cryocooler and flow path switching mechanism of cryocooler | Qian Bao | 2022-12-20 |
| 11506426 | Pulse tube cryocooler and method of manufacturing pulse tube cryocooler | — | 2022-11-22 |
| 11408406 | GM cryocooler and method of operating GM cryocooler | Qian Bao, Takaaki Morie | 2022-08-09 |
| 11384963 | GM cryocooler | Qian Bao, Takaaki Morie | 2022-07-12 |
| 11371754 | GM cryocooler | Qian Bao, Takaaki Morie | 2022-06-28 |
| D955124 | Stepstool | — | 2022-06-21 |
| 11333408 | Cryocooler and cryogenic system | Hirokazu Takayama, Xiaogang LIN | 2022-05-17 |
| 11333407 | GM cryocooler with buffer volume communicating with drive chamber | — | 2022-05-17 |
| 11221079 | Cryocooler and rotary valve unit for cryocooler | Takaaki Morie, Qian Bao | 2022-01-11 |
| 11149993 | Cryocooler with heat transfer blocks having fins | Qian Bao | 2021-10-19 |
| 11137216 | Regenerator material and regenerative refrigerator | Tian Lei, Akihiro Tsuchiya | 2021-10-05 |
| 11118818 | Pulse tube cryocooler | Takashi Hirayama | 2021-09-14 |
| 11098931 | Pulse tube refrigerating machine | Hirokazu Takayama | 2021-08-24 |
| 11073308 | Cryocooler and cryocooler operation method | A. T. A. M de Waele, Qian Bao | 2021-07-27 |
| 11022353 | Pulse tube cryocooler and rotary valve unit for pulse tube cryocooler | Qian Bao, Takaaki Morie | 2021-06-01 |
| D918354 | Potty seat | — | 2021-05-04 |
| D918353 | Portable potty | — | 2021-05-04 |
| 10976080 | Pulse tube cryocooler and method of manufacturing pulse tube cryocooler | Takashi Hirayama | 2021-04-13 |