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NESTOR LEONARD

Overview
  • Total Patents
    39
About

NESTOR LEONARD has a total of 39 patent applications. Its first patent ever was published in 1925. It filed its patents most often in Germany, United Kingdom and United States. Its main competitors in its focus markets transport, materials and metallurgy and machine tools are LOWRY WILLIAM D, PEYINGHAUS W EISEN & STAHLWERK and POWELL DUFFRYN RAIL LTD.

Patent filings in countries

World map showing NESTOR LEONARDs patent filings in countries
# Country Total Patents
#1 Germany 20
#2 United Kingdom 17
#3 United States 2

Patent filings per year

Chart showing NESTOR LEONARDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nestor Leonard 2

Latest patents

Publication Filing date Title
GB375748A Improvements in bench vices
GB365504A Improvements in or relating to vices
GB367636A Improvements in axle boxes for railway rolling stock and particularly in axle-boxes with mechanical lubrication
GB364691A Arrangement permitting the obtaining automatically of a brake effect proportional tothe load of goods vehicles on railways
GB316997A Improvements in castings of large dimensions especially frames for railway rolling stock
GB318220A Improvements in equalisers for bogie frames, particularly for railway rolling stock
GB325649A Improvements in castings of large dimensions and particularly frames for railway rolling stock
GB320819A Improvements in locomotive and like wheels
GB319549A Improvements in disc wheels for railway rolling stock and the like
GB302364A Improvements in and connected with the manufacture of cast steel objects such as locomotive wheels or the like
GB321909A Improvements in lubricating devices such as grease boxes for the axles of rolling stock and the like
GB320726A Improvements in lubricating devices such as grease boxes for the axles of rolling stock and the like
US1735971A Cast frame for railway rolling stock
GB292865A Improvements relating to cast steel frames for bogies for railway rolling stock
GB283169A Improvements in bogie frames of railway and the like vehicles
GB248699A Improvements in locomotive and like wheels
US1587594A Wheel for locomotives and other purposes