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HARLAND ENGINEERING CO LTD

Overview
  • Total Patents
    63
About

HARLAND ENGINEERING CO LTD has a total of 63 patent applications. Its first patent ever was published in 1924. It filed its patents most often in United Kingdom, France and Canada. Its main competitors in its focus markets electrical machinery and energy, engines, pumps and turbines and weapons are EBM PAPST ST GEORGEN GMBH & CO, JULIEN & MEGE and E M B ELEKTROMOTORENBAU AG.

Patent filings in countries

World map showing HARLAND ENGINEERING CO LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 37
#2 France 8
#3 Canada 6
#4 Germany 6
#5 United States 5
#6 Finland 1

Patent filings per year

Chart showing HARLAND ENGINEERING CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Worthing Nicolas 11
#2 Anderson Harold Henry 9
#3 Nicolas Worthing 4
#4 Greenwood Leslie 2
#5 Nicolas Worobjeff 1
#6 Frank Greaves 1
#7 Mortimer Robert Charles 1
#8 Woodard William 1
#9 Worthing Nicholas 1
#10 Crawford William George 1

Latest patents

Publication Filing date Title
GB1146759A Fully-controlled converters with 'fly-wheel' facility
GB1134391A Lubrication system for turbine driven impeller pump
GB1083706A Voltsecond-area comparison circuit
GB1020288A Automatic pilot mechanism for ships
GB980651A Automatic hovering gear for submarines
GB967971A Impeller pumps
GB921380A Fluid bearings
DE1135957B Pulse storage device
GB935760A Gland assembly of a fluid pump
US3069607A Polyphase slipring electric motors and control means therefor
GB871460A Control system for electric motors
GB803395A Improvements in or relating to electric motors
GB806063A Single entry overhung impeller pumps
GB790009A Submersible impeller pump
DE923342C Speed regulators, especially for power machines
GB663293A Improvements in or relating to multi-stage centrifugal pumps
GB645921A Improvements in and relating to feed pumps
US2630815A Speed-and acceleration-responsive valve
GB654403A Improvements in speed- and acceleration-responsive devices
GB641818A Improvements in and relating to carbon pile regulators