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PRESTON EDWIN JAMES

Overview
  • Total Patents
    35
About

PRESTON EDWIN JAMES has a total of 35 patent applications. Its first patent ever was published in 1893. It filed its patents most often in United Kingdom, Austria and Spain. Its main competitors in its focus markets electrical machinery and energy are LUCAS TVS LTD, ROTERMUND ULLI and YORK TECHNOLOGIES INC.

Patent filings in countries

World map showing PRESTON EDWIN JAMESs patent filings in countries
# Country Total Patents
#1 United Kingdom 32
#2 Austria 1
#3 Spain 1
#4 United States 1

Patent filings per year

Chart showing PRESTON EDWIN JAMESs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Preston Edwin James 34
#2 Gill Arthur Bernard 6
#3 Ralston Gavin Carlyle 3
#4 Jakeman George English 3
#5 Conway Frank Lloyd 3
#6 Mees Arthur Bryce 2
#7 Mclaren Duncan William 2
#8 Jones John Edward 1
#9 Burns Joseph 1
#10 Williams Robert Packenham 1

Latest patents

Publication Filing date Title
GB190808731A New or Improved Ferrule for use in Tapping Water and other Mains under Pressure.
GB190807892A Improvements in Sliding Windows or the like specially applicable on Board Ship.
GB190711406A Coupling for Connecting High Pressure Pipes, Valve Boxes and other Hollow Bodies.
GB190708950A Improvements in Sliding Windows or the like specially applicable on Board Ship.
GB190708244A Improvements in Pumps for use in Military Field Service and for other purposes.
GB190309834A Improvements in Side Scuttles for Ships
GB190309427A Improvements in Valves for use in connection with Apparatus for Drilling and Tapping Mains under Pressure.
GB190214040A Improvements in Sliding Windows for Railway Carriage Doors, Saloons and other Structures.
GB190126381A Improved Flushing Syphon applicable to Deep or Shallow Sewers and for other purposes.
GB190108551A Improvements in Side Lights or Windows for Ships and other Structures.
GB190005374A Improvements in and connected with Apparatus for Intensifying and Reducing Fluid Pressure.
GB190004790A Improvements in Manholes and Manhole Covers Applicable to Drains and for other Purposes.
US699412A Device for operating electric lights in railway-carriages from the guard's van.
GB189922247A Improvements in Ships' Closets.
GB189909882A Improvements in Electric Lighting Apparatus, especially applicable for Railway and other Vehicles.
GB189825490A Improvements in Side-lights or Windows for Ships and other Structures.
GB189823265A Improvements in Glow Lamps and Holders.
GB189813394A Improvements in Ships' Side Lights and Port Lights or Scuttles.
GB189812431A Improvements in Apparatus for the Production of Electricity in Railway Carriages and other Vehicles.
GB189803407A Improvements in Scuppers especially applicable to Sponsons.