Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David E. Brandon — 8 Patents

JDJohn Deere: 4 patents #1,212 of 5,518Top 25%
Waterloo, IA: #31 of 348 inventorsTop 9%
Iowa: #1,974 of 15,303 inventorsTop 15%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
David E. Brandon has been granted 8 US patents while listed as an inventor at John Deere. The first was granted in 1984 and the most recent in April 2001. David E. Brandon ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list David E. Brandon in Waterloo, IA, US.

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6220603 Non retractable segmented packing ring for fluid turbines having special springs to reduce forces during shaft rubbing Ronald E. Brandon 2001-04-24
5934684 Retractable segmented packing ring for fluid turbines having gravity springs to neutralize packing segment weight forces Ronald E. Brandon 1999-08-10
5810365 Retractable segmented packing rings for fluid turbines Ronald E. Brandon 1998-09-22
5575618 Steam turbine steam strainer Ronald E. Brandon 1996-11-19
5449329 Method for controlling transmission control clutches Peter FALCK, Dennis L. Jeffries 1995-09-12 $17,744,000
5224577 Calibration method for transmission control clutches Peter FALCK, Dennis L. Jeffries 1993-07-06 $4,135,000
4740898 Automatic engine/transmission control system Kevin D. McKee, Brian A. Ahlschwede 1988-04-26 $13,761,000
4455555 Control transducer Dean H. Symonds 1984-06-19 $5,661,000