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QUALTER HALL & CO SALES LTD

Overview
  • Total Patents
    33
About

QUALTER HALL & CO SALES LTD has a total of 33 patent applications. Its first patent ever was published in 1948. It filed its patents most often in United Kingdom, United States and Spain. Its main competitors in its focus markets packaging and shipping, transport and civil engineering are SP K B ESKALATOROSTROENIYA, MANCHEBISI HIGH TECH CO LTD and SKIP CIE GMBH.

Patent filings in countries

World map showing QUALTER HALL & CO SALES LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 30
#2 United States 2
#3 Spain 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Lines Cyril 7
#2 Hall Thomas 4
#3 Nash George Valentine 3
#4 Wainwright Ralph 3
#5 Howarth Dennis 2
#6 Kelly Joseph William Edward 2
#7 Ralph Wainwright 2
#8 Price Edward Leslie 2
#9 Lythe Kenneth Yeoman 2
#10 Peace Edmund John 1

Latest patents

Publication Filing date Title
GB1142911A Creeper mechanism
GB1147187A Monorail trackway
US3380398A Monorail locomotive
GB1108101A Locomotive
GB1083601A Locomotive
GB1096292A Locomotive
GB1061580A Improvements in the control of d.c. series motors
GB1102758A Skip winding installation and measuring pocket for use therein
GB1106601A Monorail locomotive
GB1096291A Improvements in or relating to locomotives
GB1003192A Improvements in hoppers for skip winding and discharging installations
GB936809A Improvements in mine cage stops for mine cars and proving mechanism therefor
GB919710A Improvements in or relating to mine cages and loading mechanism therefor
GB923121A Improvements in fluid control valves
GB887199A Improved apparatus for loading mine cars into and off cages
GB869044A Improvements in mechanism for controlling the movement of mine cars
GB873289A Improvements in or relating to bottom dump skips for guided skip hoists
GB868584A Improvements in mine cage aligning mechanism
GB870507A Improvements in hinged bridging platforms for pit cages
GB885695A Improvements in or relating to storage bunkers