P

Inventor

WILT DONALD E

US14 patents
⚠️ This page may combine multiple inventors who share the name “WILT DONALD E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MINER ENTERPRISES

7 patents
US6796448B1Sep 28, 2004

Railcar draft gear housing

MINER ENTERPRISES63 citations94
US7044061B2May 16, 2006

Railroad car energy absorption apparatus

MINER ENTERPRISES19 citations91
US6862999B2Mar 8, 2005

Railroad car energy absorption apparatus

MINER ENTERPRISES19 citations91
US6792871B2Sep 21, 2004

Railroad car energy absorption apparatus

MINER ENTERPRISES28 citations91
USD1087835SAug 12, 2025

Railcar draft gear friction modifying insert

MINER ENTERPRISES0 citations61
US10328957B2Jun 25, 2019

Railcar draft gear assembly

MINER ENTERPRISES1 citations60
US12459550B2Nov 4, 2025

Railroad freight car draft gear friction modifying insert

MINER ENTERPRISES0 citations50

WILT DONALD E

5 patents
US8985355B2Mar 24, 2015

Railcar draft gear assembly and related method for assembling a railcar draft gear

WILT DONALD E11 citations82
US8590717B2Nov 26, 2013

Railroad freight car draft gear

WILT DONALD E15 citations82
US9789888B2Oct 17, 2017

Railcar draft gear assembly

WILT DONALD E11 citations81
US8939300B2Jan 27, 2015

Friction/elastomeric draft gear

WILT DONALD E13 citations78
US8870002B2Oct 28, 2014

Railroad freight car draft gear assembly

WILT DONALD E11 citations78

TRINITY NORTH AMERICAN FREIGHT CAR INC

1 patent
US9669848B2Jun 6, 2017

Energy absorption/coupling system for a railcar and related method for coupling railcars to each other

TRINITY NORTH AMERICAN FREIGHT CAR INC11 citations82

O'DONNELL WILLIAM P

1 patent
USRE44177EApr 30, 2013

Railroad car energy absorption apparatus

O'DONNELL WILLIAM P0 citations48