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JOHNSTON MACK S

Overview
  • Total Patents
    23
About

JOHNSTON MACK S has a total of 23 patent applications. Its first patent ever was published in 1961. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets packaging and shipping, machines and mechanical elements are BRAVO SERGIO M, SELECTOR LTD and RTC LTD.

Patent filings in countries

World map showing JOHNSTON MACK Ss patent filings in countries
# Country Total Patents
#1 United States 11
#2 Canada 8
#3 Germany 4

Patent filings per year

Chart showing JOHNSTON MACK Ss patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Johnston Mack S 23

Latest patents

Publication Filing date Title
US4728010A Keg tapper
US4162574A Hair clipper
US4005813A Single-opening beer keg and method of producing from conventional keg
CA1006476A Valve system for beer kegs and the like
DE2441487A1 Beer barrel universal valve - replaces wooden bung by magnetically operated liq. and gas channel with valve members
US3880182A Universal valve system for beer kegs and the like
US3908861A Series tapper assembly and method
US3913608A Keg adapter valve
US3880206A Washing, filling and tapping valve assembly
US3866626A Filling and tapping assembly for beer kegs and the like
CA994728A Washing, filling and tapping valve assembly
US3868049A Keg tapping device
CA984351A Filling and tapping valve assembly for beer kegs and the like
CA982991A Tapping assembly for beer kegs and the like
US3353724A Beer tapping device
US3156252A Beer siphon assembly
CA839565A Siphon device for beer kegs and the like
CA830876A Siphon device for beer kegs and the like
CA757922A Siphon device for beer kegs and the like
CA785119A Siphon device for beer kegs and the like