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MCDONALD CHARLES H

Overview
  • Total Patents
    13
About

MCDONALD CHARLES H has a total of 13 patent applications. Its first patent ever was published in 1918. It filed its patents most often in United States and Canada. Its main competitors in its focus markets macromolecular chemistry and polymers, civil engineering and machines are ROAD SCIENCE L L C, ROAD SCIENCE LLC and SEMMATERIALS LP.

Patent filings in countries

World map showing MCDONALD CHARLES Hs patent filings in countries
# Country Total Patents
#1 United States 10
#2 Canada 3

Patent filings per year

Chart showing MCDONALD CHARLES Hs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mcdonald Charles H 13

Latest patents

Publication Filing date Title
US4137204A Cationic method for emulsifying asphalt-rubber paving material and a stable thixotropic emulsion of said material
US4113401A Method of pavement repair
US4085078A Low viscosity asphalt-rubber paving material
US4021393A Method and composition for surfacing and repairing broken pavements with an elastomeric material having improved flexing properties at freezing temperatures without any significant loss of viscosity at high application temperatures
US4018730A Method for emulsifying asphalt-rubber paving material and a stable thixotropic emulsion of said material
US4069182A Elastomeric pavement repair composition
US3891585A Elastomeric pavement repair composition for pavement failure and a method of making the same
US3930100A Elastomeric cold patch for pavement repair
US3014392A Band saw attachment and method of completing cutouts
US1434132A Picket alarm