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CROSBY STEAM GAGE AND VALVE COMPANY

Overview
  • Total Patents
    31
About

CROSBY STEAM GAGE AND VALVE COMPANY has a total of 31 patent applications. Its first patent ever was published in 1897. It filed its patents most often in United States. Its main competitors in its focus markets measurement, machines and mechanical elements are ASHTON VALVE COMPANY, MANNING COLEMAN J and J E LONERGAN COMPANY.

Patent filings in countries

World map showing CROSBY STEAM GAGE AND VALVE COMPANYs patent filings in countries
# Country Total Patents
#1 United States 31

Patent filings per year

Chart showing CROSBY STEAM GAGE AND VALVE COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wolfe Frank L 9
#2 Spencer George 6
#3 Lane Frederick 3
#4 Millett Joshua H 3
#5 Phillips Arthur Page 2
#6 Hughes John 2
#7 Reed Samuel G 1
#8 Davidson Theodore 1
#9 Hannah Frederick A 1
#10 Phillips Arthur P 1

Latest patents

Publication Filing date Title
US1020921A Safety-valve.
US1072161A Pressure-recording gage.
US951658A Pressure-recording gage.
US926763A Recording-counter.
US897311A Pressure-recorder.
US898148A Pressure-gage.
US867953A Engine-indicator.
US873754A Registering-counter.
US868056A Engine-indicator.
US873822A Whistle-valve.
US868055A Recording-counter.
US871849A Recording-counter.
US829552A Pressure-gage.
US829553A Pressure-gage.
US829614A Pressure-recorder.
US841207A Reducing-wheel.
US829551A Pressure-gage.
US794034A Steam safety-valve.
US793947A Steam safety-valve.
US794054A Pressure-gage.