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SHIVVERS INC

Overview
  • Total Patents
    15
About

SHIVVERS INC has a total of 15 patent applications. Its first patent ever was published in 1984. It filed its patents most often in United States, Canada and China. Its main competitors in its focus markets machines, mechanical elements and transport are HESSTON MFG CO INC, THOMAS ARTHUR HILL and SIMPLICITY MFG CO INC.

Patent filings in countries

World map showing SHIVVERS INCs patent filings in countries
# Country Total Patents
#1 United States 12
#2 Canada 2
#3 China 1

Patent filings per year

Chart showing SHIVVERS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Parkes Donald H 8
#2 Shivvers Steven D 5
#3 Shivvers Charles C 4
#4 Ryks Edward A 3
#5 Arnold Richard A 3
#6 Mcfarland Douglas 2
#7 Schick Scott 2
#8 Yang Xinzhan 1
#9 Schick Scott A 1
#10 Schroeder Michael J 1

Latest patents

Publication Filing date Title
US2004046071A1 Uniform grain spreader
US5778648A Lawn mower clipping collection system
US5669841A Twisted belt tensioner
US5816035A Mower deck mounting system
US5784867A Variable force traction enhance systems
CN1093458A Cereal is scattered and dry improving one's methods and equipment
US5131483A Single lever control
CA1267281A Grain dryer system
US4896506A Transmission with integrated gear reduction
US4843817A Integrated hydraulic transmission
US4845949A Parking brake for integrated transmission
US4750273A Computer controlled grain drying
CA1258769A Grain dryer system
US4599809A Grain dryer system