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BRUNNER JOHN

Overview
  • Total Patents
    15
About

BRUNNER JOHN has a total of 15 patent applications. Its first patent ever was published in 1915. It filed its patents most often in Canada and United States. Its main competitors in its focus markets materials and metallurgy, mechanical elements and civil engineering are SANDBERG CHRISTER PETER, LAKHOVSKY GEORGES and NEUMANN TERRASAN G.

Patent filings in countries

World map showing BRUNNER JOHNs patent filings in countries
# Country Total Patents
#1 Canada 12
#2 United States 3

Patent filings per year

Chart showing BRUNNER JOHNs patent filings per year from 1900 to 2020

Focus technologies

# Technology
#1 Machines for making railways
#2 Nails
#3 Metal tempering

Top inventors

# Name Total Patents
#1 Brunner John 15

Latest patents

Publication Filing date Title
CA193894A Steel shape manufacture
US1277372A Process of treating steel shapes.
US1170603A Track-spike.
US1219911A Railway-tie.
CA334585A Heat treatment of steel rails
CA327538A Rail joint
CA201497A Anti-piping means for ingot moulds
CA334584A Heat treatment of steel rails
CA331364A Steel rail treatment
CA346068A Steel rail manufacture
CA317510A Rail joint
CA317335A Rail joint
CA328552A Rail annealing apparatus
CA337736A Rail joint
CA334583A Heat treatment of steel rails