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MIRRLEES NAT LTD

Overview
  • Total Patents
    57
About

MIRRLEES NAT LTD has a total of 57 patent applications. Its first patent ever was published in 1961. It filed its patents most often in United Kingdom, France and Switzerland. Its main competitors in its focus markets engines, pumps and turbines, mechanical elements and environmental technology are BRP POWERTRAIN GMBH & CO KG, MIRRLEES NATIONAL LIMITED and BOMBARDIER ROTAX GMBH.

Patent filings in countries

World map showing MIRRLEES NAT LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 20
#2 France 18
#3 Switzerland 10
#4 Germany 7
#5 United States 2

Patent filings per year

Chart showing MIRRLEES NAT LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Pope Joseph Albert 19
#2 Joseph Albert Pope 10
#3 Albert Pope Joseph 8
#4 Appleby John Edwin Herbert 6
#5 Lowe William 6
#6 Fletcher Norman 3
#7 Edwin Herbert Appleby John 3
#8 Lawrence John Van Eyken Alois 2
#9 John Anthony Henshaw 2
#10 Krzyzewski Stefan 2

Latest patents

Publication Filing date Title
GB1245249A Improvements in or relating to temperature responsive devices for moving parts of a mechanism
GB1175844A Improvements in or relating to a Pressure Lubrication System for a Trunk Piston
GB1170943A An Impulse Pump.
DE1550853A1 Planetary gear
GB1152324A Improvements in or Relating to Internal Combustion Engines
GB1118350A Improvements in or relating to crankshafts
GB1137906A Improvements in or relating to multi-shaft transmission couplings
GB1150731A Improvements in or relating to Shaft Couplings
GB1091513A Improvements in or relating to pistons for internal combustion engines
GB1141469A Improvements in or relating to epicyclic gearing
GB1100403A Improvements in or relating to caged poppet valves for internal combustion engines
DE1526706A1 Inlet valve control for internal combustion engines
GB1099267A Improvements in or relating to poppet valves for internal combustion engines
GB1101742A Improvements in or relating to fuel injection systems
GB1086895A Improvements in or relating to governor control means for internal-combustion gas engines
US3187643A Pistons for internal combustion engines
GB1085229A Improvements in or relating to sealing means for covers and like purposes
DE1476074A1 Pistons for internal combustion engines
GB1093361A Improvements in or relating to rotary torque-transmitting couplings
GB1068041A Improvements in or relating to caged valves for internal combustion engines