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HERRING WALTER RALPH

Overview
  • Total Patents
    18
About

HERRING WALTER RALPH has a total of 18 patent applications. Its first patent ever was published in 1893. It filed its patents most often in United Kingdom, United States and Canada. Its main competitors in its focus markets basic materials chemistry, packaging and shipping and chemical engineering are HACKFORD JOHN EDWARD, TRIPLAN AG and LOW TEMP CARBONISATION LTD.

Patent filings in countries

World map showing HERRING WALTER RALPHs patent filings in countries
# Country Total Patents
#1 United Kingdom 13
#2 United States 4
#3 Canada 1

Patent filings per year

Chart showing HERRING WALTER RALPHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Herring Walter Ralph 18
#2 Graham Maurice 2

Latest patents

Publication Filing date Title
GB190905362A Improvements in or connected with Retorts for use in Carbonizing or otherwise Treating Minerals and the like, particularly adapted for use in the Recovery Gaseous, Volatile and other Products.
US745278A Apparatus for manipulating slide-valves.
GB190223892A Improvements in the Method of Manipulating the Slide Valves of Coal Storage Hoppers or Measuring Chambers in connection with Inclined Gas Retorts, and Gas Producers; and for other similar purposes.
US721952A Gas-retort discharging apparatus.
US717575A Apparatus for charging inclined retorts.
GB190212746A Improvements in Apparatus for Discharging Inclined Gas Retorts.
GB190212747A Improvements in and relating to Apparatus for Charging Inclined Gas Retorts.
GB190126143A Improvements in the Method of Manipulating the Slide Valves or Doors of Coal and other Storage Hoppers, Bunkers, or Measuring Chambers.
US706940A Mechanism for measuring coal to gas-retorts.
GB190115397A Improvements in or relating to Retort Settings Combined with the Gas Producer and Regenerative Chambers for Heating Secondary Air Supply by Means of the Waste Gases leaving the Setting of the Retort.
GB190112887A Improvements in or relating to Gas Producers for the Production of Fuel and other Gases.
GB190017586A Improvements in the Method of Manipulating the Slide Valves of Coal Measuring Chambers in Connection with Inclined Gas Retorts.
GB189912471A Improvements in the Means of Separately Storing Different Classes of Coal in Overhead Hoppers, and the Discharging of the same Separately by Means of One Set of Apparatus to a Common Measuring Chamber, and Particularly in Connection with the Charging of Inclined Retorts.
GB189800558A Improvements in the Construction and Ventilation of Gas Lamp Lanterns.
GB189524097A Improvements in Apparatuses for Charging Inclined Retorts.
GB189523989A Improvements in Apparatuses for Charging inclined Retorts.
GB189323433A Improvements in and in Apparatus for Manufacturing Oil-gas.
CA49411A Apparatus for manufacturing oil gas