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HART GILBERT

Overview
  • Total Patents
    11
About

HART GILBERT has a total of 11 patent applications. Its first patent ever was published in 1897. It filed its patents most often in Canada and United States. Its main competitors in its focus markets machine tools are NII PRIRODNYKH SINT ALMAZOV I INSTR OAO VNIIALMAZ AOOT, SHIMIZU YOUZOU and PRZEMYSLU NARZEDZIOWEGO VIS K.

Patent filings in countries

World map showing HART GILBERTs patent filings in countries
# Country Total Patents
#1 Canada 7
#2 United States 4

Patent filings per year

Chart showing HART GILBERTs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Machine tools

Focus technologies

# Technology
#1 Grinding tools

Top inventors

# Name Total Patents
#1 Hart Gilbert 11

Latest patents

Publication Filing date Title
US945526A Grinding-wheel.
CA102411A Grinding wheel
US825460A Grinding-wheel.
CA91883A Grinding wheel
US779848A Grinding-wheel.
CA71002A Emery wheel chuck
US639035A Chuck for emery-wheels.
CA62124A Storage battery plate connectors
CA59359A Electrode
CA11248A Improvements on emery wheels
CA9096A Improvements on emery wheels