CHANGZHOU HUADA KEJIE OPTO-ELECTRO INSTRUMENT CO., LTD.
Patent Applications and Registrations
Patent applications and USPTO patent grants for CHANGZHOU HUADA KEJIE OPTO-ELECTRO INSTRUMENT CO., LTD..The latest application filed is for "optical system of laser marking instrument and laser marking instrument".
- CHANGZHOU HUADA KEJIE OPTO-ELECTRO INSTRUMENT CO., LTD. - Changzhou CN
- CHANGZHOU HUADA KEJIE OPTO-ELECTRO INSTRUMENT CO., LTD - Changzhou CN
- CHANGZHOU HUADA KEJIE OPTO-ELECTRO INSTRUMENT CO., LTD. - Changzhou, Jiangsu CN
- CHANGZHOU HUADA KEJIE OPTO-ELECTRO INSTRUMENT CO., LTD. - Jiangsu CN
- Changzhou Huada Kejie Opto-Electro Instrument Co., Ltd - Jiangsu CN
- CHANGZHOU HUADA KEJIE OPTO-ELECTRO INSTRUMENT CO., LTD. - Jiangsu, Changzhou CN
Trademarks
| Patent | Date |
|---|---|
| Laser point projecting device Grant 11,333,958 - Zhang May 17, 2 | 2022-05-17 |
| Optical System Of Laser Marking Instrument And Laser Marking Instrument App 20220146844 - Zhang; Ou | 2022-05-12 |
| Optical Path Structure And Laser Light Projector Using Optical Path Structure App 20220140562 - Zhang; Ou ; et al. | 2022-05-05 |
| Measuring Tool App 20210190948 - ZHANG; Ou ; et al. | 2021-06-24 |
| Laser Measuring System App 20210080346 - ZHANG; Ou ; et al. | 2021-03-18 |
| Laser Point Projecting Device App 20200192207 - ZHANG; Ou | 2020-06-18 |
| Laser Level Ruler App 20190162536 - ZHANG; Ou ; et al. | 2019-05-30 |
| Adjusting mechanism and laser collimator having the same Grant 9,952,402 - Zhang , et al. April 24, 2 | 2018-04-24 |
| A Laser Control Circuit, Control Method And Laser Ink Line Device With Laser Control Circuit App 20170149208 - ZHANG; Ou ; et al. | 2017-05-25 |
| Cross line laser Grant 9,316,498 - Zhang , et al. April 19, 2 | 2016-04-19 |
| Adjusting Mechanism and Laser Collimator Having the Same App 20160103295 - Zhang; Ou ; et al. | 2016-04-14 |
| Laser Module Control Circuit App 20150340839 - Zhang; Ou ; et al. | 2015-11-26 |
| Cross Line Laser App 20150052763 - Zhang; Ou ; et al. | 2015-02-26 |
| Automatically tracking precise layout laser tool Grant D699,768 - Zhang , et al. February 18, 2 | 2014-02-18 |
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