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GRAIN SYSTEMS INC

Overview
  • Total Patents
    37
About

GRAIN SYSTEMS INC has a total of 37 patent applications. Its first patent ever was published in 1976. It filed its patents most often in United States, Canada and Australia. Its main competitors in its focus markets agriculture, packaging and shipping and civil engineering are JIANGSU KEFEI MACHINERY CO LTD, CTB INC and CTB IP INC.

Patent filings per year

Chart showing GRAIN SYSTEMS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Pollock Eugene B 24
#2 Knollenberg Jeffrey L 10
#3 Trumper Mark A 3
#4 Taylor Quentin 2
#5 Knollenberg Jeffrey 1
#6 Pollock E 1
#7 Jeffrey L Knollenberg 1
#8 Sheley Randall E 1
#9 Morrison David W 1
#10 Pullock Eugene Bernard 1

Latest patents

Publication Filing date Title
US5566470A Metering grain unloader for tower dryer
US5513597A Feed conveying apparatus
US5400525A Flame cone for grain bin dryer
BR9307812A Apparatus for transporting food to a feeding system for poultry or domestic animals
CA2150221A1 Feed conveying apparatus
AU5551794A Poultry feeder
US5311839A Poultry feeder
US5218784A Apparatus for opening and closing bin lid from below
US5344363A Roof vent assembly for grain storage bin
US5135271A Latching apparatus for access covers on bulk storage structures
US4885985A Self regulating grain bin wall air system and method
US4480534A Grain bin roof vent
USRE31368E Floor system for grain bin
US4137682A Floor system for grain bin
US4057112A Subsoil plow