Inventor
KIMPEL RICHARD D
US5 patents
⚠️ This page may combine multiple inventors who share the name “KIMPEL RICHARD D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PARKER HANNIFIN CORP
3 patentsUS7569943B2Aug 4, 2009
Variable speed wind turbine drive and control system
PARKER HANNIFIN CORP39 citations83
US9926946B2Mar 27, 2018
Hydraulic hybrid swing drive system for excavators
PARKER HANNIFIN CORP3 citations67
US11421713B2Aug 23, 2022
Hydraulic hybrid swing drive system for excavators
PARKER HANNIFIN CORP0 citations56