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AMERICAN STEAM GAUGE AND VALVE MFG COMPANY

Overview
  • Total Patents
    11
About

AMERICAN STEAM GAUGE AND VALVE MFG COMPANY has a total of 11 patent applications. Its first patent ever was published in 1904. It filed its patents most often in United States and Canada. Its main competitors in its focus markets measurement are HAENNI & CIE GMBH, GEFRAN SENSORI S R L and NANJING GOVA TECH CO LTD.

Patent filings in countries

World map showing AMERICAN STEAM GAUGE AND VALVE MFG COMPANYs patent filings in countries
# Country Total Patents
#1 United States 10
#2 Canada 1

Patent filings per year

Chart showing AMERICAN STEAM GAUGE AND VALVE MFG COMPANYs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Measurement

Top inventors

# Name Total Patents
#1 Manning Coleman J 6
#2 Hopkins Frank H 2
#3 Craig Charles H Jr 1
#4 Collette Austin B 1
#5 Ellison Lewis M 1

Latest patents

Publication Filing date Title
CA175852A Gauge spring
US1169982A Pressure-gage.
US1154018A Dead-weight gage-tester.
US1166070A Gage for indicating fluid-pressures.
US1043618A Pressure-gage.
US957471A Pressure-gage.
US900371A Differential-pressure gage.
US908206A Differential-pressure gage.
US857984A Steam-calorimeter.
US785677A Recording-gage.
US768473A Recording-pen.