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BOULTON AIRCRAFT LTD

Overview
  • Total Patents
    301
About

BOULTON AIRCRAFT LTD has a total of 301 patent applications. Its first patent ever was published in 1934. It filed its patents most often in United Kingdom, France and United States. Its main competitors in its focus markets transport, engines, pumps and turbines and mechanical elements are EICKMANN K, KARL MARX STADT IND WERKE and RUBERY OWEN MESSIER LTD.

Patent filings in countries

World map showing BOULTON AIRCRAFT LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 245
#2 France 19
#3 United States 18
#4 Germany 12
#5 Canada 6
#6 Sweden 1

Patent filings per year

Chart showing BOULTON AIRCRAFT LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 North John Dudley 33
#2 Millard Dennis John 21
#3 Clark Bertram Frank 12
#4 Crocombe Frederick Francis 9
#5 Kenmir Charles Vivian 8
#6 Millard Dennis J 7
#7 Dudley North John 6
#8 North John D 6
#9 Blick Leonard William 5
#10 Hurn Albert George 4

Latest patents

Publication Filing date Title
US3612724A Hydraulic apparatus
GB1222382A Swash plate type hydraulic pumps and motors
GB1218012A Drilling apparatus
GB1208269A Method of drilling cylinder blocks
GB1201030A Swash plate pump or motor
DE1653366A1 Hydraulic device
GB1196112A Signal Converting Apparatus
GB1169003A Hydraulic Reciprocating Pumps and Motors
GB1177633A Ball Joint Assembly.
GB1165715A Hydraulic Reciprocating Pumps and Motors
GB1150735A Hydraulic Reciprocating Pumps and Motors
GB1152994A Aircraft Flying Control Systems
GB1150734A Hydraulic Reciprocating Pumps and Motors
GB1056969A Improvements in driving drums for winches, conveyors and the like
GB1068078A Reciprocating pistons for pumps and motors
GB1027416A Hydrostatic power transmission
GB1079903A Reciprocating hydraulic pumps and motors
GB1023818A Servo systems
GB1058941A Track members for hydraulic pumps or motors
GB1018739A Hydraulic reciprocating pump or motor