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HADEN WILLIAM NELSON

Overview
  • Total Patents
    16
About

HADEN WILLIAM NELSON has a total of 16 patent applications. Its first patent ever was published in 1908. It filed its patents most often in United Kingdom and Canada. Its main competitors in its focus markets thermal processes, mechanical elements and control are OVENTROP SOHN KG F W, HAN ENERGY SYSTEM and RETTIG ICC BV.

Patent filings in countries

World map showing HADEN WILLIAM NELSONs patent filings in countries
# Country Total Patents
#1 United Kingdom 15
#2 Canada 1

Patent filings per year

Chart showing HADEN WILLIAM NELSONs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Haden William Nelson 16
#2 Haden Charles Ingham 16
#3 Adlam Thomas Napier 3
#4 Adams Herbert James 2
#5 Horton Francis Herbert 2
#6 Watts Charles James 2
#7 Rushworth Albert Victor 1

Latest patents

Publication Filing date Title
GB136357A Improvements in and relating to Bib or other Cocks.
GB119673A Improved Heating System for Buildings.
GB109213A Air Washing Screen.
GB112982A Heating Buildings.
GB191512872A Improvements in or relating to Apparatus for Heating or Cooling Air.
GB191422372A An Improved System of Hot Water Heating.
GB191408910A Apparatus for Utilizing the Heat generally Wasted in the Discharge of Condense Water from Steam Calorifiers.
GB191321007A Improvements in Heating and/or Cooling and Ventilation Apparatus for use in Ships.
GB191205408A Improvements in Operating Gear for Ventilators and the like.
GB191205407A Safety Apparatus for Air Pipes and other Pipes Under Pressure.
GB191009170A Pneumatic Governor for Pumps and other Machines.
GB190812952A Improvements in Circulators used to Accelerate the Flow of Hot Water in Boilers, Pipes, and the like
GB190810692A Improvements in Tell-tales and Time Recorders for Checking Watchmen and the like.
GB190808004A Improvements in Gas-heated Ventilating Radiators.
CA210234A System of cooling and heating buildings