by making use of radiometer action

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CPC
G01L21/26

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Parent Industries

GPHYSICS G01Measuring instruments G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE G01L21/00Vacuum gauges

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G01L21/26by making use of radiometer action

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Patents Grantslast 30 patents

Information Patent Grant
3229516
- Patent number 3,229,516
- Issue date Jan 18, 1966
- G01 - MEASURING TESTING
Information Patent Grant
2968947
- Patent number 2,968,947
- Issue date Jan 24, 1961
- G01 - MEASURING TESTING
Information Patent Grant
1346427
- Patent number 1,346,427
- Issue date Jul 13, 1920
- G01 - MEASURING TESTING