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SERGEANT HENRY C

Overview
  • Total Patents
    11
About

SERGEANT HENRY C has a total of 11 patent applications. Its first patent ever was published in 1903. It filed its patents most often in Canada and United States. Its main competitors in its focus markets civil engineering are PARTICLE DRILLING TECHNOLOGIES, SPS AFOS GROUP LTD and NIPPON BEESU KK.

Patent filings in countries

World map showing SERGEANT HENRY Cs patent filings in countries
# Country Total Patents
#1 Canada 10
#2 United States 1

Patent filings per year

Chart showing SERGEANT HENRY Cs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Focus technologies

# Technology
#1 Earth drilling

Top inventors

# Name Total Patents
#1 Sergeant Henry C 11

Latest patents

Publication Filing date Title
US777311A Drill.
CA32137A Channelling machine
CA30883A Rock drill
CA32206A Automatic valve for steam and air engines
CA19244A Rock drill
CA16158A Improvements on rock drills
CA32232A Air compressor
CA8352A Improvements on machines for making paving-blocks
CA8357A Improvements on rock drills
CA13060A Improvements on air compressing engines
CA16159A Improvements on rock drills