Inventor

WINKEL DEREK J

US4 patents

⚠️ This page may combine multiple inventors who share the name “WINKEL DEREK J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RENEWABLE ENERGY GROUP INC

2 patents

US9957464B2May 1, 2018

Methods and devices for producing biodiesel and products obtained therefrom

RENEWABLE ENERGY GROUP INC11 citations78

US10450533B2Oct 22, 2019

Methods and devices for producing biodiesel and products obtained therefrom

RENEWABLE ENERGY GROUP INC2 citations67

REG SENECA LLC

2 patents

US9909077B2Mar 6, 2018

Production of products from feedstocks containing free fatty acids

REG SENECA LLC3 citations65

US9725397B2Aug 8, 2017

Production of biodiesel and glycerin from high free fatty acid feedstocks

REG SENECA LLC0 citations43