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HERRICK L JOHNSTON INC

Overview
  • Total Patents
    15
About

HERRICK L JOHNSTON INC has a total of 15 patent applications. Its first patent ever was published in 1955. It filed its patents most often in United States. Its main competitors in its focus markets machines, mechanical elements and engines, pumps and turbines are NITROCISION LLC, HYGEN SIA and PRELOAD TECHNOLOGY.

Patent filings in countries

World map showing HERRICK L JOHNSTON INCs patent filings in countries
# Country Total Patents
#1 United States 15

Patent filings per year

Chart showing HERRICK L JOHNSTON INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Johnston Herrick L 6
#2 Newton Charles L 3
#3 Yeager Marvin L 2
#4 Altman Howard W 1
#5 Leo Newton Charles 1
#6 Pierce James G 1
#7 White Leslie E 1
#8 Eugene White Leslie 1
#9 Weisend Charles R 1
#10 Kelley John F 1

Latest patents

Publication Filing date Title
US3069042A Method and apparatus for storing liquefied gases
US3031887A Device for measurement of liquid level or volume of liquefied gases
US3131713A Pump for cryogenic liquids
US3095220A Zero load pump flange connection
US2863539A Impact mechanism
US2864527A Container for liquefied gas
US2932175A Pressure generator for liquefied gas
US2926810A Suspension system for container for storing liquefied gas
US2895724A Gas-liquid contact apparatus
US2969092A Method and apparatus for containing a liquified gas
US2842942A Apparatus for dispensing gas from a container of liquefied gas
US2863296A High pressure cycle for the continuous separation of a gas mixture into its components
US2863295A Process for separating a gas mixture into its components
US2831325A Pump for liquefied gases
US2863297A Method and apparatus for storing liquified gases