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John Styfhoorn

Caterpillar: 6 patents #1,094 of 8,398Top 15%
📍 Dunlap, IL: #119 of 474 inventorsTop 30%
🗺 Illinois: #15,122 of 84,256 inventorsTop 20%
Overall (All Time): #881,520 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6360846 Method and apparatus for leak testing and lubricating track joint Ronald C. Beal, Darryl J. Brincks, Robert Brown, William G. Clelland, III, Kevin K. Fanter +1 more 2002-03-26
5799383 Self adjusting hose connector crimping apparatus and method of use Arden E. Baldwin, William G. Clelland, III 1998-09-01
5741351 Apparatus and method for cleaning an air filter of a vehicle Ronald C. Beal, Duane K. Edwards 1998-04-21
5426352 Automatic honing apparatus Ronald C. Beal 1995-06-20
5182988 Oil filter crusher 1993-02-02
4798086 Test bench for testing hydraulic pumps and motors 1989-01-17