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HILDBURGH WALTER LEO

Overview
  • Total Patents
    15
About

HILDBURGH WALTER LEO has a total of 15 patent applications. Its first patent ever was published in 1905. It filed its patents most often in United Kingdom, Canada and United States. Its main competitors in its focus markets audio-visual technology are KAWALEC ANDRZEJ, PINTO L and KOUDOU KK.

Patent filings in countries

World map showing HILDBURGH WALTER LEOs patent filings in countries
# Country Total Patents
#1 United Kingdom 9
#2 Canada 2
#3 United States 2
#4 Austria 1
#5 Switzerland 1

Patent filings per year

Chart showing HILDBURGH WALTER LEOs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Audio-visual technology

Focus technologies

# Technology
#1 Advertising

Top inventors

# Name Total Patents
#1 Hildburgh Walter Leo 14
#2 Walter Leo Hildburgh 1

Latest patents

Publication Filing date Title
CA126618A Advertising machinery
CA126617A Advertising machinery
US1172455A Advertising machinery.
US1172360A Advertising machinery.
GB190904209A Improvements in Advertising Machinery.
GB190822724A Improvements in Advertising Machinery.
GB190822073A Improvements in Advertising Machinery.
GB190822072A Improvements in Advertising Machinery.
GB190613254A Improvements in Advertising Machinery.
GB190613253A Improvements in Advertising Machinery.
GB190610811A Improvements in Advertising Machinery.
GB190527140A Improvements in Dynamo Electric Machinery.
GB190522971A Improvements in Current Collectors for Dynamo Electric Machines.