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QUALTER HALL & CO LTD

Overview
  • Total Patents
    22
About

QUALTER HALL & CO LTD has a total of 22 patent applications. Its first patent ever was published in 1968. It filed its patents most often in United Kingdom, Australia and China. Its main competitors in its focus markets packaging and shipping, control and computer technology are FUJIAN KEZHENG INTELLIGENT TECHNOLOGY CO LTD, BEIJING 7Q TECHNOLOGY CO LTD and TANAKA KUNIO.

Patent filings in countries

World map showing QUALTER HALL & CO LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 19
#2 Australia 1
#3 China 1
#4 India 1

Patent filings per year

Chart showing QUALTER HALL & CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Claytor Stuart Raymond 3
#2 Rees Johnathan Mark 2
#3 Stuart Raymond Claytor 1
#4 Clark Harry Russell 1
#5 Rees Jonathan Mark 1
#6 Jonathan Mark Rees 1
#7 Archer Alan 1
#8 Newsum John 1

Latest patents

Publication Filing date Title
GB9203336D0 Remotely controlled tool mounting apparatus
GB9109875D0 A mine shaft microwave communications system
GB9016512D0 Automatic fluid power connection apparatus
GB8905202D0 Power operated device
GB8818685D0 Power operated device
GB8630674D0 Microprocessor-based controllers
GB8620384D0 Cutting metal reinforced belting
GB8529648D0 Two-way chute apparatus
GB8517155D0 Programmable logic controller system
GB2022056A Drop back catch assemblies
GB2025363A Drop back catch assembly
GB2019811A Drop back catch assembly
GB1591751A Mine shaft
GB1591752A Drop back catch assembly
GB1588308A Drrop-back catch assembly for a vertical conveyance
GB1214014A Valve assembly for fluid digital systems