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LACY HULBERT AND COMPANY LTD

Overview
  • Total Patents
    11
About

LACY HULBERT AND COMPANY LTD has a total of 11 patent applications. Its first patent ever was published in 1908. It filed its patents most often in United Kingdom, Canada and France. Its main competitors in its focus markets engines, pumps and turbines, chemical engineering and civil engineering are FRANK CHRISTIAN FULCHER, CHRISTIAN FULCHER FRANK and LANWANG ENERGY SAVING TECH ZHEJIANG CO LTD.

Patent filings in countries

World map showing LACY HULBERT AND COMPANY LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 5
#2 Canada 2
#3 France 2
#4 United States 2

Patent filings per year

Chart showing LACY HULBERT AND COMPANY LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Briscoe George H 1
#2 Eastcott John Russell 1
#3 Snow Robinson Victor 1
#4 Harold Briscoe George 1
#5 Robinson Victor Snow 1
#6 Eastcott John R 1

Latest patents

Publication Filing date Title
GB1128166A Improvements in drying apparatus
US3201033A Vane-type rotary air pumps
GB1035901A Improvements in desiccators for drying air or other gases
GB602767A Improvements relating to unloading means to facilitate starting air and gas compressors
GB191201327A Improvements in Rotary Pumps, Compressors, and Engines of the Fixed Abutment Type.
GB190806175A Improvements in or relating to Reciprocating Vacuum Pumps.
CA604835A Rotary air compressors
CA774818A Drying apparatus