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THOMAS RIGBY

Overview
  • Total Patents
    50
About

THOMAS RIGBY has a total of 50 patent applications. Its first patent ever was published in 1911. It filed its patents most often in United Kingdom, United States and Germany. Its main competitors in its focus markets chemical engineering, materials and metallurgy and thermal processes are RIEDEL RUDOLF, BERGOUNHON RENE and A VALUY SA DES ETS.

Patent filings in countries

World map showing THOMAS RIGBYs patent filings in countries
# Country Total Patents
#1 United Kingdom 27
#2 United States 11
#3 Germany 9
#4 France 3

Patent filings per year

Chart showing THOMAS RIGBYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Thomas Rigby 11
#2 Rigby Thomas 3
#3 Testrup Nils 1

Latest patents

Publication Filing date Title
GB522287A Improvements in and connected with the manufacture of supporting legs for domestic washing boilers and washing machines
GB446776A Improvements in or connected with combined domestic boilers and washing machines
GB428109A Improvements in or connected with combined domestic wash-boilers and washing machines
GB432369A Improvements in or connected with combined domestic washing boilers and washing machines
US1706750A Plant for the manufacture of cement
US1706749A Treatment of slurries in rotary kilns
US1706748A Manufacture of cement by the wet method in rotary kilns
GB262992A Improvements in and in the manufacture of domestic hot water cisterns
US1628000A Process for the manufacture of cement
GB270356A Improvements in or relating to calcining or other operations in rotary kilns or the like
GB261814A Improvements in or relating to the manufacture of cement
US1699451A Process of manufacturing cement
GB256327A Improvements in methods for the treatment of peat for the removal of water therefrom
GB243410A Improvements in or relating to the manufacture of cement
GB219199A Improvements in and relating to air cushions, air beds, and the like
GB215812A Improvements in or relating to drying processes
US1706747A Apparatus for making cement by the wet process
GB209148A Improvements in or relating to drying processes and apparatus
US1600846A Process of making cement by the wet method
GB202793A Improvements in or relating to drying process or apparatus