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HANSON CO R A

Overview
  • Total Patents
    14
About

HANSON CO R A has a total of 14 patent applications. Its first patent ever was published in 1961. It filed its patents most often in United States and Australia. Its main competitors in its focus markets civil engineering, electrical machinery and energy and mechanical elements are HAGELSTEIN ALFRED MASCHINENFAB, SIMEX ENG S R L and BLANDIN YVES.

Patent filings in countries

World map showing HANSON CO R As patent filings in countries
# Country Total Patents
#1 United States 11
#2 Australia 3

Patent filings per year

Chart showing HANSON CO R As patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hanson Raymond A 11
#2 Hanson Richard W 2
#3 Morton Jerry 1
#4 Roller R 1
#5 Hanson R 1
#6 Roller Robert L 1

Latest patents

Publication Filing date Title
US4324539A Concrete pressure monitoring device for monolithic concrete structure forming apparatus
US3766672A Rotary trencher having a vertical axis of rotation
US3511949A Control apparatus
US3381595A Joint forming apparatus for concrete surfaces
US3375765A Highway surfacing trimmer and spreader
US3301151A Concrete distributor
US3247771A Directional control apparatus
US3247922A Support apparatus for surfacing equipment
US3301150A Apparatus for feeding and distrubuting concrete in slipforms
US3290804A Consolidating apparatus
US3171260A Concrete consolidator for canal slipforms