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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 10 | |
#2 | Canada | 1 |
# | Industry | |
---|---|---|
#1 | Measurement |
# | Technology | |
---|---|---|
#1 | Measuring force, work and fluid pressure | |
#2 | Special measuring | |
#3 | Analysing materials |
# | 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 |
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. |