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WILHELM BREIL

Overview
  • Total Patents
    14
About

WILHELM BREIL has a total of 14 patent applications. Its first patent ever was published in 1911. It filed its patents most often in Germany, United Kingdom and United States. Its main competitors in its focus markets civil engineering are LOBBERT & CO G M B H, CHINA TUNNEL CONSTRUCTION CO LTD GUANGDONG and HIRO CORP KK.

Patent filings in countries

World map showing WILHELM BREILs patent filings in countries
# Country Total Patents
#1 Germany 7
#2 United Kingdom 4
#3 United States 2
#4 France 1

Patent filings per year

Chart showing WILHELM BREILs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Focus technologies

# Technology
#1 Shafts
#2 Structural elements

Top inventors

# Name Total Patents
#1 Wilhelm Breil 2
#2 Breil Wilhelm 1

Latest patents

Publication Filing date Title
US1618973A Tubbing
US1618166A Shaft lining
GB157298A Improvements relating to cast tubbings for lining shafts
GB157297A Improvements relating to shaft linings
GB157296A Improvements relating to the production of linings for shafts sunk by the freezing process
GB145433A Improvements relating to shafts sunk by the freezing process