Inventor · disambiguated record
Douglas Haefele
Also filed as: HAEFELE DOUGLAS · HAEFELE DOUGLAS M
2 granted patents·2 pending applications·9 citations·filing 1988–2013
50Inventor score
Files withPIONEER HI BRED INT4
Top patents by PatentIndex Score
4 records- 0156US8980617B2Yeast strains for improved ethanol productionPIONEER HI BRED INT·Filed 2013·Granted Mar 17, 2015·0 cites·16 claims
- 0253US4996049ABiological control of corn seed rot and seedling blightPIONEER HI BRED INT·Filed 1988·Granted Feb 26, 1991·9 cites·6 claims
- 0351US2008086340A1Crop quality insurancePIONEER HI BRED INT·Filed 2007·Application pending·0 cites
- 0445US2007261136A1High Amylopectin MaizePIONEER HI BRED INT·Filed 2007·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Douglas Haefele files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →