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USPTO Patent Rankings Data through Dec 31, 2025
EK

Earl E. Koch — 11 Patents

SPSperry: 5 patents #63 of 841Top 8%
NANew Holland North America: 4 patents #57 of 69Top 85%
Ford: 2 patents #6,478 of 17,473Top 40%
Shillington, PA: #11 of 131 inventorsTop 9%
Pennsylvania: #7,414 of 74,527 inventorsTop 10%
Overall (All Time): #435,149 of 4,157,543Top 15%
11 Patents All Time
Earl E. Koch has been granted 11 US patents while listed as an inventor at Sperry. The first was granted in 1980 and the most recent in June 1989. Earl E. Koch ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Earl E. Koch in Shillington, PA, US.

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4838014 Disc cutter rotor assembly Franja F. Voler, Edmund O. Howell 1989-06-13 $19,947,000
4815262 Disc cutterbar construction Franja F. Voler 1989-03-28 $14,014,000
4787196 Self-cleaning rotor assembly Franja F. Voler, John K. Hale 1988-11-29
4693061 Idler gear mounting for disc cutterbars Franja F. Voler 1987-09-15
4653253 Self-cleaning rotor assembly Franja F. Voler, John K. Hale 1987-03-31
4607996 Lateral transport trailer 1986-08-26
4558560 Pivot tongue harvester with lateral transport 1985-12-17 $6,500,000
4418518 Mechanism for spring loading a transport lock A. Dale Gamber, Philip J. Ehrhart 1983-12-06 $1,911,000
4377930 Infinite reel height adjustment Lawrence M. Halls 1983-03-29 $12,600,000
4280318 Infinite reel adjustment mechanism 1981-07-28 $1,978,000
4216641 Crop harvesting machine Philip J. Ehrhart 1980-08-12 $11,099,000