Inventor
Wanzhen Liu
Inventor
Tianjin, CN
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Kprimary
H02KDynamo-electric machines33%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids11%
F04DNon-positive-displacement pumps11%
G01NInvestigating or analysing materials by determining their chemical or physical properties11%
H01JElectric discharge tubes or discharge lamps11%
H02HEmergency protective circuit arrangements11%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters11%
PatentTitleYear
11,127,579Zircon ID-TIMS Pb isotope determination method using multiple ion counters with dynamic multi-collection protocol202110,658,891Motor202010,389,216Stator applicable to a single-phase or polyphase motor, motor comprising the stator and compressor comprising the motor or the stator201910,090,793Electric motor, compressor, and method for controlling electric motor or compressor2018Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2018–2020Patents assigned to DANFOSS TIANJIN LTD (3)· patent assignee history
2018–2020Based in Tianjin, CN· patent location history
2021Patents assigned to INST GEOLOGY & GEOPHYSICS CAS (1)· patent assignee history
2021Based in Beijing, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DANFOSS TIANJIN LTD | 3 | 2018–2020 |
| INST GEOLOGY & GEOPHYSICS CAS | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tianjin, CN | 3 | 2018–2020 |
| Beijing, CN | 1 | 2021 |