Philip Eugene Ferree has been granted 11 US patents while listed as an inventor at John Deere . The first was granted in 1999 and the most recent in August 2025. Philip Eugene Ferree ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Philip Eugene Ferree in Ankeny, IA, US.
Patents per Year Patents granted per year, 1999 to 2025 Bar chart with a peak of 2 patents in 2011. peak 2 1999: 1 patents 1999 2004: 1 patents 2004 2005: 1 patents 2005 2006: 1 patents 2006 2007: 1 patents 2007 2010: 1 patents 2010 2011: 2 patents 2011 2024: 1 patents 2024 2025: 2 patents 2025
Issued Patents All Time
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Showing 1–11 of 11 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
D1089326 Boom for agricultural machine Thomas G. Bartlett , Mauro Bolzani , Iban Gomez Preciado , Carlos Villalba Gomez , Joaquin Randle +1 more 2025-08-19
D1066426 Boom truss panel for agricultural machine Thomas G. Bartlett , Mauro Bolzani , Iban Gomez Preciado , Carlos Villalba Gomez , Joaquin Randle +1 more 2025-03-11
12133521 Fiber composite truss panel spray boom Thomas G. Bartlett , Mauro Bolzani , Iban Gomez Preciado , Carlos Villalba Gomez , Joaquin Randle +1 more 2024-11-05
$73,054,000
8073599 Conveying duct monitor system for controlling harvester speed Kevin J. Goering , Alan Lee Dzubak 2011-12-06
$17,812,000
8056653 Hybrid electric tool carrier Kenneth Edward Hunt , Jim Milton Shoemaker 2011-11-15
$9,906,000
7721517 Hybrid electric tool carrier Kenneth Edward Hunt , Jim Milton Shoemaker 2010-05-25
$18,613,000
7249449 Conveying duct pressure monitor system for controlling harvester speed Kevin J. Goering , Alan Lee Dzubak 2007-07-31
$150,118,000
7017327 Hybrid electric tool carrier Kenneth Edward Hunt , Jim Milton Shoemaker 2006-03-28
$30,293,000
6904985 Transmission control device for vehicles and steering assembly for vehicles Bernard Edwin Romig 2005-06-14
$23,979,000
6681553 Mower cutting chamber John B. Kuhn , Christian Heuvel 2004-01-27
$23,090,000
5927055 Pivoting mower deck mechanism Robert D. Davis 1999-07-27
$86,175,000