• All sections
• G - Physics
• G01L - Measuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure
• G01L 23/20 - Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid combined with planimeters or integrators

Patent holdings for IPC class G01L 23/20

Total number of patents in this class: 8

10-year publication summary

Principal owners for this class