Inventor · disambiguated record
David Keifer
Also filed as: KEIFER DAVID · KEIFER DAVID W
3 granted patents·2 pending applications·18 citations·filing 1989–2019
66Inventor score
Top patents by PatentIndex Score
5 records- 0185US10585103B2Methods and compositions for resolving components of a virus preparationUNIV INDIANA RES & TECH CORP·Filed 2017·Granted Mar 10, 2020·4 cites·20 claims
- 0273US6855667B2Method for safening crops from the phytotoxic effects of herbicides by use of phosphorated estersFMC CORP·Filed 2001·Granted Feb 15, 2005·10 cites·16 claims
- 0347US4909831ASafening of crops against a triazolinone herbicide with 1,8-naphthalic anhydrideFMC CORP·Filed 1989·Granted Mar 20, 1990·4 cites·26 claims
- 0442US2019217336A1Methods for forming stainless steel partsARCANUM ALLOYS INC·Filed 2019·Application pending·0 cites
- 0535US2001051591A1Safening crops from the phytotoxic effects of herbicidally active N-phosphonomethyl-glycinesFiled 2001·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when David Keifer 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 →