Beijing
China
3
2022-01-06
3
2022-08-23
These are the the leading inventors for applications assigned to Qing Chang:
Qing Chang based in Beijing, CN has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:
Device and method for high-efficiency preparation of spherical metal powder for 3D printing employing separation into fibers
#2 | 2021-10-07 ✅ Patent 11,344,950 granted on 2022-05-31Apparatus and method for preparing spherical metal powder based on one-by-one atomization method for uniform droplets
#3 | 2021-10-07 ✅ Patent 11,331,724 granted on 2022-05-17Apparatus and method for efficiently preparing ultrafine spherical metal powder by one-by-one droplets centrifugal atomization method
Also check out Qing Chang's (Beijing, China) applicant profile with 3 patent applications submitted.
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