YANG; CHENG NAN
Patent Applications and Registrations
Patent applications and USPTO patent grants for YANG; CHENG NAN.The latest application filed is for "tool with improved ignition efficiency".
- YANG; CHENG NAN - Taichung City TW
- Yang; Cheng-Nan - Taichung TW
| Patent | Date |
|---|---|
| Tool With Improved Ignition Efficiency App 20220235935 - WU; WEI CHENG ; et al. | 2022-07-28 |
| Tool With Improved Ignition Efficiency App 20220235932 - WU; WEI CHENG ; et al. | 2022-07-28 |
| Tool having switch with support functions Grant 10,486,254 - Yang Nov | 2019-11-26 |
| Gas heating device Grant 10,288,288 - Yang | 2019-05-14 |
| Gas torch head including burner tube thereof being replaceable Grant 10,161,629 - Yang Dec | 2018-12-25 |
| Gas hot air gun head Grant 10,060,623 - Yang August 28, 2 | 2018-08-28 |
| Gas Heating Device App 20180058693 - Yang; Cheng-Nan | 2018-03-01 |
| Gas hot air gun head Grant 9,869,471 - Yang January 16, 2 | 2018-01-16 |
| Safety Valve device in Gas Burning Apparatus App 20170299179 - Yang; Cheng-Nan | 2017-10-19 |
| Gas hot air gun head Grant 9,612,012 - Yang April 4, 2 | 2017-04-04 |
| Gas Hot Air Gun Head App 20170074510 - Yang; Cheng-Nan | 2017-03-16 |
| Gas Hot Air Gun Head App 20170074511 - Yang; Cheng-Nan | 2017-03-16 |
| Gas Torch Head Including Burner Tube Thereof Being Replaceable App 20160258620 - Yang; Cheng-Nan | 2016-09-08 |
| Gas Hot Air Gun Head App 20150354812 - Yang; Cheng-Nan | 2015-12-10 |
| Gas Hot Air Gun Head App 20150354813 - Yang; Cheng-Nan | 2015-12-10 |
| Device adapted to withdraw gas and to control gas flow rate discharged therefrom Grant 8,770,216 - Yang , et al. July 8, 2 | 2014-07-08 |
| Device Adapted to Withdraw Gas and to Control Gas Flow Rate Discharged Therefrom App 20130228243 - Yang; Cheng-Nan ; et al. | 2013-09-05 |
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