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FAIRFIELD ENG CO

Overview
  • Total Patents
    47
About

FAIRFIELD ENG CO has a total of 47 patent applications. Its first patent ever was published in 1920. It filed its patents most often in United States, Canada and Switzerland. Its main competitors in its focus markets environmental technology, basic materials chemistry and packaging and shipping are ZENTR REPARATUR U AUSRUESTUNGS, FOR SOLUTIONS IP LLC and MITSUI CHEMICAL ANALYSIS & CON.

Patent filings in countries

World map showing FAIRFIELD ENG COs patent filings in countries

Patent filings per year

Chart showing FAIRFIELD ENG COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Walker Henry B 8
#2 Ireland James S 4
#3 Hardy Woodrow 4
#4 Arms Milo F 4
#5 Brown Clarence O 4
#6 Arms M 3
#7 Arms M F 2
#8 Ireland J 2
#9 Thumlert Edgar A 2
#10 Haines George H 2

Latest patents

Publication Filing date Title
US4138333A Waste material digesters
US3989094A Apparatus for producing castings from flaskless sand molds
US3224565A Method and apparatus for conveying objects
DK111363B Method and apparatus for aerobic conversion of waste material.
GB1023051A Waste material converter
DE1592665A1 Device for composting waste materials
US3114622A Waste material converter and method of digesting waste
US2713428A Material storage system
US2623629A Conveyer boom hoisting system
US2519970A Pusher conveyer with supply hopper
US2349519A Control device
US2166403A Mixing apparatus
US2137083A Mixing apparatus
US2103392A Deflector means for hopper spouts
US1955038A Apparatus for handling material
US1893917A Portable loader
US1859600A Friction clutch mechanism
US1731914A Conveyer apparatus
US1728197A Storing material
US1735365A Material-handling apparatus