Assignee
CHIU KIN CHUNG RAY
US·1 granted patent·1 pending application·0 citations·filing 2020–2022
Top patents by PatentIndex Score
2 records- 0161US2023116261A1Non-Sealed Vacuum Pump With Supersonically Rotatable Bladeless Gas Impingement SurfaceCHIU KIN CHUNG RAY·Filed 2022·Application pending·0 cites
- 0254US11519419B2Non-sealed vacuum pump with supersonically rotatable bladeless gas impingement surfaceCHIU KIN CHUNG RAY·Filed 2020·Granted Dec 6, 2022·0 cites·22 claims
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