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HUGHES WILLIAM B

Overview
  • Total Patents
    35
About

HUGHES WILLIAM B has a total of 35 patent applications. Its first patent ever was published in 1900. It filed its patents most often in United States and Canada. Its main competitors in its focus markets basic materials chemistry, machine tools and machines are WESTERN GAS CONSTRUCTION CO, HERRICK JAMES A and U G I CONTRACTING COMPANY.

Patent filings in countries

World map showing HUGHES WILLIAM Bs patent filings in countries
# Country Total Patents
#1 United States 34
#2 Canada 1

Patent filings per year

Chart showing HUGHES WILLIAM Bs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hughes William B 35
#2 Rae John C 1

Latest patents

Publication Filing date Title
US4576627A Method of providing fertilizer from brines
US1617485A Dial gauge
US1452876A Vehicle tongue
CA147280A Electric circuit controlling device
US1016268A Circuit-controlling device.
US1000173A Valve mechanism.
US977651A Gas-producer.
US1034798A Heat-indicating device.
US978023A Number-plate support for vehicles.
US971272A Gas-producer.
US971271A Gas-producer.
US962221A Number-plate support for vehicles.
US962220A Number-plate support for vehicles.
US962219A Number-plate support for vehicles.
US977874A Manufacture of gas.
US904873A Feeding mechanism for gas-producers.
US899050A Gas-producer.
US894146A Gas-producer.
US866032A Gas-producer.
US892427A Gas-producer.