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LONTRA LTD

Overview
  • Total Patents
    61
  • GoodIP Patent Rank
    28,760
  • Filing trend
    ⇩ 95.0%
About

LONTRA LTD has a total of 61 patent applications. It decreased the IP activity by 95.0%. Its first patent ever was published in 2007. It filed its patents most often in EPO (European Patent Office), United Kingdom and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets engines, pumps and turbines, machines and mechanical elements are DIDIN ALEXANDR VLADIMIROVICH, FETU LTD and MERLIN CORP PTY LTD.

Patent filings per year

Chart showing LONTRA LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lindsey Stephen Francis 49
#2 Lindsey Stephen 2
#3 Lindsey Stephen F 1
#4 Stephen Francis Lindsey 1
#5 Francis Lindsey Stephen 1

Latest patents

Publication Filing date Title
GB201904245D0 Check Valve
GB201614975D0 Rotary piston and cylinder device
GB201614976D0 Rotary piston and cylinder device
GB201614971D0 Rotary piston and cylinder device
GB201614973D0 Rotary piston and cylinder device
GB201614972D0 Rotary piston and cylinder device
GB201413170D0 Rotary piston and cylinder device
GB201413174D0 Rotary piston and cylinder devices
GB201413173D0 Rotary Piston and Cylinder Devices
GB201413172D0 Rotary Piston and Cylinder Device
GB0815766D0 Rotary piston and cylinder devices
CN101421492A Rotary piston and cylinder devices