Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Charles Daniel Califf — 2 Patents

GE: 2 patents #13,632 of 36,430Top 40%
Lawrenceburg, IN: #41 of 87 inventorsTop 50%
Indiana: #13,817 of 33,936 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Charles Daniel Califf has been granted 2 US patents while listed as an inventor at GE. The first was granted in 2018 and the most recent in April 2021. Charles Daniel Califf ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Charles Daniel Califf in Lawrenceburg, IN, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10968771 Method and system for ice tolerant bleed takeoff David William Crall, Craig William Higgins, Erich Alois Krammer 2021-04-06 $35,678,000
9982598 Gas turbine engine variable bleed valve for ice extraction Byron Andrew Pritchard, Jr., Peter John Wood, Raymond Gust Holm, Allan George van de Wall, Peter Alfred Pezzi 2018-05-29 $22,837,000