Inventor
STERN AARON
US19 patents
⚠️ This page may combine multiple inventors who share the name “STERN AARON”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PENNSY CORP
15 patentsUS10252733B1Apr 9, 2019
Lightweight fatigue resistant railcar truck, sideframe and bolster
PENNSY CORP9 citations83
US11608095B2Mar 21, 2023
Knuckle pin
PENNSY CORP2 citations72
US11433927B1Sep 6, 2022
Lightweight fatigue resistant railcar truck, sideframe and bolster
PENNSY CORP0 citations62
US12269518B2Apr 8, 2025
Knuckle pin
PENNSY CORP0 citations61
US11345372B1May 31, 2022
Lightweight yoke for railway coupling
PENNSY CORP1 citations61
US10994754B2May 4, 2021
Coupler for a railway vehicle, cores and method for production
PENNSY CORP0 citations61
US9452764B2Sep 27, 2016
Railway vehicle coupler
PENNSY CORP2 citations61
US10906568B2Feb 2, 2021
Coupler knuckle, cores and method of production
PENNSY CORP0 citations59
US10322732B1Jun 18, 2019
Coupler knuckle, cores and method of production
PENNSY CORP1 citations59
USD1096545SOct 7, 2025
Rail car side screen protector
PENNSY CORP0 citations58
US11345374B1May 31, 2022
Lightweight coupler
PENNSY CORP0 citations51
US9714039B2Jul 25, 2017
Knuckle thrower
PENNSY CORP0 citations51
US9604276B2Mar 28, 2017
Coupler and method for production of a coupler with selectable configuration options
PENNSY CORP0 citations51
US9580089B2Feb 28, 2017
Lightweight yoke for railway coupling
PENNSY CORP0 citations51
US9481381B2Nov 1, 2016
Lightweight yoke for railway coupling
PENNSY CORP1 citations51