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LEAVER JAMES M

Overview
  • Total Patents
    12
About

LEAVER JAMES M has a total of 12 patent applications. Its first patent ever was published in 1899. It filed its patents most often in United States and Canada. Its main competitors in its focus markets chemical engineering, machines and packaging and shipping are MOORE DRY KILN CO, MOORE DRY KILN COMPANY and GEA LYOPHIL GMBH.

Patent filings in countries

World map showing LEAVER JAMES Ms patent filings in countries
# Country Total Patents
#1 United States 8
#2 Canada 4

Patent filings per year

Chart showing LEAVER JAMES Ms patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Leaver James M 12
#2 Leaver Jr James M 2

Latest patents

Publication Filing date Title
US4691490A Cementitious modular panel and panel assembly for building walls and method of construction
CA1203089A Cementitious modular panel and panel assembly for building walls and method of construction
US1676957A Method and apparatus for unstacking lumber
US1466909A Lumber sorter
US1135302A Dry-kiln for lumber, &c.
US1135301A Dry-kiln for lumber, &c.
CA145269A Dry kiln for lumber
US1108377A Dry-kiln for lumber, &c.
US1039302A Dry-kiln for lumber.
US1039301A Dry-kiln for lumber.
CA126767A Gauge
CA90042A Door, shutter, etc.