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SOUTHERN STEEL CO

Overview
  • Total Patents
    63
About

SOUTHERN STEEL CO has a total of 63 patent applications. Its first patent ever was published in 1934. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets mechanical elements, machines and civil engineering are CLESSE MANDET SA, MONTANA SULPHUR & CHEM and EXPLOSAFE SA.

Patent filings per year

Chart showing SOUTHERN STEEL COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 White Loyd J 41
#2 Browning James E 5
#3 Little David J 5
#4 Daugherty Eugene F 4
#5 Holycross Charles E 4
#6 Young Quentin H 3
#7 Hull Youngblood David 3
#8 Anderson Archie L 2
#9 Youngblood David Hull 2
#10 Youngblood David H 1

Latest patents

Publication Filing date Title
US4841283A Security hinge utilizing concealed radiative sensing to detect hinge position
CA1298862C Sliding door lock
US4776619A Sliding door lock
US4509347A Door locking system
US3571974A Cell door locking and driving system
US3566668A Impact test machine
US3343302A Keyless operating and locking mechanism for cell doors
US3053352A Indicating mechanism for cell doors and locks
US2961076A Master actuating mechanism for operating cell doors and keyless locks
US2837182A Keyless locking and operating systems for cell doors
US2915813A Tool-resistant metal jail plates
US2449352A Liquefied gas storage and dispensing system
US2460159A Vapor outlet for truck tanks
US2460158A Two-stage liquefied petroleum gas dispensing system
US2449351A Method of and apparatus for dispensing liquefied petroleum gas
US2451309A Vaporizer for two-stage liquefied petroleum gas dispensing systems
US2449350A Liquefied gas dispensing system
US2442156A Valve unit for liquefied petroleum gas systems
US2436781A Method of and apparatus for dispensing liquefied petroleum gas
US2290840A Conversion apparatus for liquefied gas systems