Learn more

SANDERSON RAY R

Overview
  • Total Patents
    13
About

SANDERSON RAY R has a total of 13 patent applications. Its first patent ever was published in 1910. It filed its patents most often in United States and Canada. Its main competitors in its focus markets civil engineering, machines and mechanical elements are BRADFORD THOMAS, MERLA TOOL CORP and CANADIAN ATLAS STEELS LTD.

Patent filings in countries

World map showing SANDERSON RAY Rs patent filings in countries
# Country Total Patents
#1 United States 12
#2 Canada 1

Patent filings per year

Chart showing SANDERSON RAY Rs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Sanderson Ray R 13

Latest patents

Publication Filing date Title
US2154960A Percussion drill
US1994792A Drill bit
US2039494A Drill bit
US1969040A Drill bit
US2022055A Drill bit
US1931590A Drill bit
US1994791A Drill bit
US1995043A Drill bit
US1377280A Drilling-machine
US1263290A Brake mechanism.
US1001560A Drilling device.
US993882A Well-drilling device.
CA215329A Well drilling machine