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ROLLIN CHARLES

Overview
  • Total Patents
    22
About

ROLLIN CHARLES has a total of 22 patent applications. Its first patent ever was published in 1906. It filed its patents most often in United Kingdom, Canada and Switzerland. Its main competitors in its focus markets materials and metallurgy, civil engineering and engines, pumps and turbines are PROIZV OB URALKALIJ, KALUSHSK VNI PI GALURGII and ACHISAJSKIJ POLIMETALLICHESKIJ.

Patent filings in countries

World map showing ROLLIN CHARLESs patent filings in countries
# Country Total Patents
#1 United Kingdom 7
#2 Canada 4
#3 Switzerland 4
#4 United States 4
#5 Spain 2
#6 Austria 1

Patent filings per year

Chart showing ROLLIN CHARLESs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Rollin Charles 20
#2 Company Limited The Hedworth B 2
#3 Company Limited Hedworth Bariu 2

Latest patents

Publication Filing date Title
US1017593A Process of making amorphous anhydrous barium hydroxid.
GB191112902A Improvements relating to Means for Removing Dust in Coal Mines and other Places.
GB191105191A Improvements relating to Means for Removing Dust in Coal Mines and other Places.
CA130973A Barium oxide manufacture
GB191029508A Means for Removing Dust in Coal Mines and other Places.
US1008070A Process of making barium oxid.
US1015345A Process of making amorphous anhydrous barium hydroxid.
CA121178A Manufacture of barium compounds
CA110371A Gas turbine
GB190715127A Improvements in High Temperature Gas Turbines.
CA107788A Gas turbine
GB190701660A Improvements in Gas Turbines for use at High Temperatures.
US867419A Turbine adapted for the use of combustible gases at very high temperatures.
GB190624042A Improvements in Gas Turbines.
GB190607603A Improvements in Turbines adapted for the use of Combustible Gases at very High Temperatures.