Harbin
China
2
2019-05-16
2
2020-01-21
These are the the leading inventors for applications assigned to HARBIN SURFICS ELECTRICAL TECHNOLOGY INC:
HARBIN SURFICS ELECTRICAL TECHNOLOGY INC based in Harbin, CN has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:
Electric machine driving method and system under non-conventional work mode of oil pumping unit
#2 | 2019-04-25 ✅ Patent 10,502,038 granted on 2019-12-10Combined operation method for work modes of walking beam pumping unit
Also check out HARBIN SURFICS ELECTRICAL TECHNOLOGY INC's (Harbin, China) applicant profile with 2 patent applications submitted.
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