Patents
.us
Search
Marketplace
Patent My Idea
Patents
/
Inventors
Chang Shen
Belmont, MA
US
1 patent
2 Patents
US11815382
2023
Flow Meter
SPIRE METERING TECHNOLOGY LLC
0 cites
US11566928
2023
Ultrasonic Flow Meter Having Four Separate Transducer Assemblies Mounted Within Mounts in a Flow Cell
SPIRE METERING TECHNOLOGY LLC
0 cites