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ANDREWS CHARLES W

Overview
  • Total Patents
    13
About

ANDREWS CHARLES W has a total of 13 patent applications. Its first patent ever was published in 1907. It filed its patents most often in United States and Canada. Its main competitors in its focus markets basic materials chemistry, environmental technology and machines are CARSON HIRAM J, NINGXIA SHENYAO TECH CO LTD and BEIJING QINGCHUANG JINHUA TECH CO LTD.

Patent filings in countries

World map showing ANDREWS CHARLES Ws patent filings in countries
# Country Total Patents
#1 United States 12
#2 Canada 1

Patent filings per year

Chart showing ANDREWS CHARLES Ws patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Andrews Charles W 13
#2 Chapman William B 3
#3 Brassert Herman A 2
#4 Morris Ii Thomas G 1
#5 Rigby Jack R 1

Latest patents

Publication Filing date Title
US2011056963A1 Apparatus, system, and method for providing a securing mechanism for a vessel
US3276994A Sewage treatment
US1844628A Method of generating gas
US1941455A Gas generator
US1709107A Method of making water gas
US1701253A Method of producing water gas
US1707651A Method of gas production
US1672109A Production of carbureted water gas
US1474012A Complete gasification of solid fuel
US1459761A Portable house
US1189031A Letter-opener.
US910038A Loading machinery.
CA295430A Method of generating gas