Inventor
BROOK ZACHARY RYAN
US20 patents
⚠️ This page may combine multiple inventors who share the name “BROOK ZACHARY RYAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PENNSY CORP
16 patentsUS11608095B2Mar 21, 2023
Knuckle pin
PENNSY CORP2 citations72
US10196076B2Feb 5, 2019
Coupler knuckle
PENNSY CORP3 citations72
US10399580B2Sep 3, 2019
Process for producing a coupler knuckle and improved coupler knuckle
PENNSY CORP1 citations62
US9010252B2Apr 21, 2015
Lightweight rerailer
PENNSY CORP3 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
USD1096545SOct 7, 2025
Rail car side screen protector
PENNSY CORP0 citations58
US11345374B1May 31, 2022
Lightweight coupler
PENNSY CORP0 citations51
US9834233B2Dec 5, 2017
Lightweight rerailer
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
US9481380B2Nov 1, 2016
Coupler knuckle
PENNSY CORP0 citations51