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WALTER EDWARD IRVING

Overview
  • Total Patents
    22
About

WALTER EDWARD IRVING has a total of 22 patent applications. Its first patent ever was published in 1934. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets civil engineering are BAUMBERGER WERNER, KOMRAKOV EVGENY VYACHESLAVOVICH and SKANSKA AB.

Patent filings in countries

World map showing WALTER EDWARD IRVINGs patent filings in countries
# Country Total Patents
#1 United States 9
#2 United Kingdom 8
#3 Canada 5

Patent filings per year

Chart showing WALTER EDWARD IRVINGs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Top inventors

# Name Total Patents
#1 Barry Richard J 10
#2 Prince Burton A 4
#3 Lewis Clarence H 2
#4 Carl Rasmussen 2
#5 Rasmussen Carl 1

Latest patents

Publication Filing date Title
US2443801A Splice for grating structures
GB589191A Improvements in grating
GB580350A Improvements in continuous grating structure
US2421980A Continuous grating structure
GB571767A Improvements in or relating to panel connections
GB571768A Improvements in or relating to panel connections
US2377648A Grating
US2323273A Panel connection
US2323272A Panel connection
GB560292A Improvements in gratings for improving traffic bearing surfaces
GB560175A Improvements in gratings more particularly for use in airfields
US2323271A Grating
GB546752A Improvements in gratings more particularly for improvising trafficbearing surfaces
US2333554A Grating
US2283307A Grating
US2333510A Grating
GB422528A Improvements in or relating to highway bridges
CA440977A Grating
CA416817A Panel connection
CA400318A Grating