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ALL STEEL INC

Overview
  • Total Patents
    15
About

ALL STEEL INC has a total of 15 patent applications. Its first patent ever was published in 1972. It filed its patents most often in United States and Canada. Its main competitors in its focus markets furniture and games, machines and electrical machinery and energy are THONET GMBH, INABA SEISAKUSHO LTD and CASTELLI SAS ANONIMA.

Patent filings in countries

World map showing ALL STEEL INCs patent filings in countries
# Country Total Patents
#1 United States 9
#2 Canada 6

Patent filings per year

Chart showing ALL STEEL INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Beaver Donald V 3
#2 Beaver D 2
#3 Lannert J 2
#4 Lannert James W 2
#5 Pergler Charles C 2
#6 Driscoll Richard P 1
#7 Deming Dale R 1
#8 Massaccesi Raymond A 1
#9 Abrahamson Dean W 1
#10 Massaccesi R 1

Latest patents

Publication Filing date Title
CA1020214A Unitary panel leg arrangement for office furniture
US3969008A Safety latch and drawer movement sequencing control arrangement for file cabinets
US3932010A Flush pull arrangement for office furniture
US3926330A Knockout arrangement for molded plastic electrical boxes
CA996619A Unitary panel leg arrangement for office furniture
CA988834A Chair base swivel arrangement
US3851920A Shell chair construction
US3854772A Backrest height adjustment device for office furniture chairs
US3788582A Connector for non-metallic sheathed cable
US3809449A Foundation framework for metal office furniture
US3779622A Unitary panel leg arrangement for office furniture
US3788701A Chair construction