Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Charles E. Rector — 1 Patent

Caterpillar: 1 patents #4,457 of 8,398Top 55%
Waubun, MN: #1 of 4 inventorsTop 25%
Minnesota: #32,682 of 52,454 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Charles E. Rector has been granted 1 US patent while listed as an inventor at Caterpillar. All of these patents were granted in 1996. Charles E. Rector ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Charles E. Rector in Waubun, MN, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5546847 Hydraulic cylinder snubbing arrangement Steven R. Wells, Daniel T. Mather, Robin S. Arndt 1996-08-20 $24,835,000