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JOHNSTON BROTHERS ENG

Overview
  • Total Patents
    48
About

JOHNSTON BROTHERS ENG has a total of 48 patent applications. Its first patent ever was published in 1958. It filed its patents most often in United Kingdom, Australia and Canada. Its main competitors in its focus markets civil engineering, engines, pumps and turbines and transport are KUEPPER WILLY, SCHMIDT HOLDING GMBH and GOOD ROADS MACHINERY CORP.

Patent filings in countries

World map showing JOHNSTON BROTHERS ENGs patent filings in countries

Patent filings per year

Chart showing JOHNSTON BROTHERS ENGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Duthie Anthony James 5
#2 Duthie Anthony J 4
#3 Hirst Peter Benjamin 4
#4 Hirst Peter B 4
#5 Duthie A 2
#6 Hirst P 2
#7 Graham Stuart Johnston William 1
#8 Peter Benjamin Hirst 1
#9 Gray Richard F C 1
#10 Gray R F C 1

Latest patents

Publication Filing date Title
EP0083840A1 Suction nozzles for suction refuse collecting vehicles
NZ187331A Refuse sweeping and collection vehicle with suction nozzles on either side inlet deflectors
NZ187332A Fan impeller
AU3620578A Fan impeller
AU3620678A Refuse vehicle
CA1084456A Fan impellers
DE2800723A1 Ventilation fan with front and rear plates - has channel section blades with bases at right angles fixed between plates and with rigid fixture
US4236871A Centrifugal fan impellers with blades secured between plates
US4160302A Refuse collecting vehicles
NL7708028A Fan impeller with shovels with a channel cross section.
GB1274413A Improvements in coin operated apparatus
GB1203785A Improvements in or relating to apparatus for spreading treating materials on roads and other surfaces
GB1184795A Improvements in or relating to Suction Nozzles for use with Suction Refuse Collecting Vehicles
GB1183575A Improvements in Ground Sweeping Vehicles
GB1161313A Improvements in or relating to Suction Nozzles for Suction Refuse Collecting Vehicles
GB1152845A Improvements in or relating to Suction Nozzles for Suction Refuse Collecting Vehicles
GB1150331A Improvements in Vehicles having means for Operating upon or Treating the Ground
GB1142341A Improvements in or relating to vehicles for distributing road-making materials
GB1041755A Improvements in or relating to distributors for controlling a stream of material discharged from a vehicle
GB1041511A Improvements in or relating to ground spraying apparatus