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SOUTHERN PRISON COMPANY

Overview
  • Total Patents
    15
About

SOUTHERN PRISON COMPANY has a total of 15 patent applications. Its first patent ever was published in 1930. It filed its patents most often in United States. Its main competitors in its focus markets civil engineering, furniture and games and audio-visual technology are MIYAIKE SUSUMU, BEST OUME KK and VER METALLWERKE A G.

Patent filings in countries

World map showing SOUTHERN PRISON COMPANYs patent filings in countries
# Country Total Patents
#1 United States 15

Patent filings per year

Chart showing SOUTHERN PRISON COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 White Lloyd J 8
#2 White Loyd J 5
#3 Hart Herbert S 4
#4 Mardick John K 1
#5 Hill Robert L 1
#6 Hull Youngblood 1
#7 Youngblood David F 1
#8 Pegues John A 1
#9 Youngblood George L 1

Latest patents

Publication Filing date Title
US2572435A Combination bunk, table, and seats for jails and the like
US2262674A Locking and operating mechanism for cell doors
US2262673A Cell door operating and locking system
US2262672A Cell door locking mechanism
US2012556A Actuating mechanism for cell doors and locks
US1951315A Locking attachment for cell door operating mechanisms
US1940639A Prison locking system
US1884447A Vehicle barrier
US1846927A Speaking device
US1857924A Master control cabinet for jail door operating systems
US1836661A Actuating mechanism for cell doors and locks
US1836698A Lock and door operating mechanism
US1836697A Lock and door operating mechanism
US1828827A Window for jails and the like
US1836696A Cell door locking and operating mechanism