Inventor
SPIEGEL LEO
DE22 patents
⚠️ This page may combine multiple inventors who share the name “SPIEGEL LEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PORSCHE AG
5 patentsUS10384524B2Aug 20, 2019
Drive train of a motor vehicle that can be driven in a purely electric manner
PORSCHE AG7 citations83
US10821836B2Nov 3, 2020
High-voltage battery division for charging column connection
PORSCHE AG1 citations59
US10038354B2Jul 31, 2018
Arrangement of an electric machine and of a transmission connected downstream thereof
PORSCHE AG0 citations50
US11190084B2Nov 30, 2021
Electric machine for a motor vehicle and method for cooling an electric machine
PORSCHE AG0 citations48
US11267328B2Mar 8, 2022
Drive train and method for operating a drive train
PORSCHE AG0 citations47
VOLKSWAGEN AG
4 patentsUS6378486B1Apr 30, 2002
Four-stroke internal combustion engine with direct injection
VOLKSWAGEN AG23 citations88
US6647711B1Nov 18, 2003
Device for supplying exhaust gases from an internal combustion engine to a catalytic converter
VOLKSWAGEN AG16 citations84
US6866031B2Mar 15, 2005
Direct injection internal combustion engine
VOLKSWAGEN AG14 citations76
US6666177B1Dec 23, 2003
Method for operating an internal combustion engine comprising at least one working piston
VOLKSWAGEN AG11 citations72