Barometer

A barometer is an instrument used to measure atmospheric pressure.

Patents

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• {{US patent|2194624}} : G. A. Titterington, Jr. : "Diaphram pressure gauge having temperature compensating means"
• {{US patent|2472735}} : C. J. Ulrich : "Barometric instrument"
• {{US patent|2691305}} : H. J. Frank : Barometric altimeter"
• {{US patent|3273398}} : D. C. W. T. Sharp : "Aneroid barometer"
• {{US patent|3397578}} : H. A. Klumb : "Motion amplifying mechanism for pressure responsive instrument movement"
• {{US patent|3643510}} : F. Lissau : "Fluid displacement pressure guages"
• {{US patent|4106342}} : O. S. Sormunen : "Pressure measuring instrument"
• {{US patent|4238958}} : H. Dostmann : "Barometer"
• {{US patent|4327583}} : T. Fijimoto : "Weather forecasting device"