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A J ELLIS INC

Overview
  • Total Patents
    14
About

A J ELLIS INC has a total of 14 patent applications. Its first patent ever was published in 1910. It filed its patents most often in United States, Canada and France. Its main competitors in its focus markets civil engineering, machine tools and transport are PARK JUN SECK, SCHENNING THEODOR KARL PETER and JIANGSU JINXIN SAFEGUARD FACILITY CO LTD.

Patent filings in countries

World map showing A J ELLIS INCs patent filings in countries
# Country Total Patents
#1 United States 8
#2 Canada 4
#3 France 2

Patent filings per year

Chart showing A J ELLIS INCs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering
#2 Machine tools
#3 Transport

Top inventors

# Name Total Patents
#1 Ellis Alfred J 11
#2 Nellis Charles E 4
#3 Nellis C E 1
#4 Ellis A J 1

Latest patents

Publication Filing date Title
US1079117A Hollow sheet-metal structure.
US1034601A Door-frame.
CA134921A Hollow metal frame for doors
CA133800A Bending die
CA136494A Apparatus for rolling sheets
CA134922A Hollow metal door
US1063517A Hollow metal door-frame and the like.
US1039371A Hollow metal door and the like.
US1013871A Bending-dies.
US1142242A Apparatus for forming sheet metal into shapes.
US1031331A Hollow metal door-frame.
US1039370A Hollow metal door.