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HALL J

Overview
  • Total Patents
    20
About

HALL J has a total of 20 patent applications. Its first patent ever was published in 1913. It filed its patents most often in United Kingdom, United States and Canada. Its main competitors in its focus markets medical technology, civil engineering and optics are KAWASAKI SAFETY SERVICE IND LTD, VERMON and QLICKSMART PTY LTD.

Patent filings in countries

World map showing HALL Js patent filings in countries

Patent filings per year

Chart showing HALL Js patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hall J 11
#2 Whall James 1

Latest patents

Publication Filing date Title
AUPS317402A0 Irrigation systems
AUPM597294A0 28 Day calendar
GB8821659D0 Telephone switching system
GB8813658D0 Non-invasive glucose monitoring device
GB8811368D0 Board game
GB8629081D0 Anti-clinker furnace
GB8416869D0 Blind persons guide stick
ZA8006942B Rock drilling apparatus
ZA7600269B Improvements in or relating to openings for pets
ZA7307382B Improvements in or relating to fence posts
US3757738A Animal commode
US3762330A Grenade fuse lever
US3762759A Telescoping top section camper
CA935760A Centralizer and method of constructing the same
US3761162A Multiple purpose field increasing optical device
US3740786A Drill stem cleaner
CA929306A Drill stem cleaner
CA153248A Lifting jack