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IOWA MFG CO CEDAR RAPIDS

Overview
  • Total Patents
    47
About

IOWA MFG CO CEDAR RAPIDS has a total of 47 patent applications. Its first patent ever was published in 1953. It filed its patents most often in Canada and United States. Its main competitors in its focus markets machines, civil engineering and chemical engineering are CEDARAPIDS INC, IOWA MFG CO and ASTEC IND.

Patent filings in countries

World map showing IOWA MFG CO CEDAR RAPIDSs patent filings in countries
# Country Total Patents
#1 Canada 25
#2 United States 22

Patent filings per year

Chart showing IOWA MFG CO CEDAR RAPIDSs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Pollitz Harold C 27
#2 Plumb Robert F 5
#3 Schrimper Vernon L 5
#4 Risse John T 3
#5 Jacobson Wayne D 3
#6 Linse Marcus J 2
#7 Page Willard D 2
#8 Watters Jerry G 2
#9 Spangler Edward O 2
#10 Fairchild Louis F 1

Latest patents

Publication Filing date Title
US3323427A Traveling string-line for bituminous pavers
US3313015A Method of affixing replaceable roll crusher shells
US3315902A Gas hydraulic spring for crushing apparatus
US3315901A Gas hydraulic spring for crushing apparatus
US3262378A Adjustable strike-off plate for finishing machines
US3262646A Hammer for hammermill
US3140057A Crusher jaw plates
US3111070A Paving machine with automatically controlled screed
US3041946A Scratch coat leveling attachment
US2951426A Surfacing machine with heated deflector plate
US2882613A Rotary drum sealing means
US2914994A Screed compensating and adjusting means
US2911892A Surfacing machine control means
US2865690A Rotary drum and self-adjusting means therefor
US2877007A Drum for rotary kiln
US2879952A Roll crusher for simultaneous crushing of large and small pieces of material
US2803411A Segmental crusher roll
US2774477A Screen clamping mechanism
US2879950A Multi-stage roll crusher
US2727732A Pug mill paddle adjustable mounting means