P

Inventor

HEMATIAN JAMAL

CA25 patents
⚠️ This page may combine multiple inventors who share the name “HEMATIAN JAMAL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NAT STEEL CAR LTD

18 patents
US7845288B2Dec 7, 2010

Rail road car truck and members thereof

NAT STEEL CAR LTD53 citations97
US7497169B2Mar 3, 2009

Rail road car truck and fittings therefor

NAT STEEL CAR LTD41 citations96
US7143700B2Dec 5, 2006

Rail road car truck and fittings therefor

NAT STEEL CAR LTD60 citations96
US7946229B2May 24, 2011

Rail road car truck

NAT STEEL CAR LTD31 citations92
US7823513B2Nov 2, 2010

Rail road car truck

NAT STEEL CAR LTD36 citations92
US7775163B2Aug 17, 2010

Rail road car and bearing adapter fittings therefor

NAT STEEL CAR LTD41 citations92
US7631603B2Dec 15, 2009

Rail road car truck and bolster therefor

NAT STEEL CAR LTD43 citations92
US8011305B2Sep 6, 2011

Symmetrical multi-unit railroad car

NAT STEEL CAR LTD27 citations88
US10286932B2May 14, 2019

Rail road car truck and members therefor

NAT STEEL CAR LTD3 citations83
US8973508B2Mar 10, 2015

Freight car with lifting location and method

NAT STEEL CAR LTD12 citations79
US11414107B2Aug 16, 2022

Railroad car truck damper wedge fittings

NAT STEEL CAR LTD2 citations73
US8939089B2Jan 27, 2015

Fitting for autorack railroad car housing

NAT STEEL CAR LTD2 citations63
US9278700B2Mar 8, 2016

Fittings for railroad car truck

NAT STEEL CAR LTD2 citations62
US11807282B2Nov 7, 2023

Railroad car truck damper wedge fittings

NAT STEEL CAR LTD1 citations60
US9475508B2Oct 25, 2016

Rail road car truck and fitting therefor

NAT STEEL CAR LTD0 citations52
US12570334B2Mar 10, 2026

Multi-unit railroad car and railroad car trucks therefor

NAT STEEL CAR LTD0 citations47
US9834230B2Dec 5, 2017

Hopper car discharge structure

NAT STEEL CAR LTD1 citations42
US9067605B2Jun 30, 2015

Fittings for autorack railroad car

NAT STEEL CAR LTD0 citations42

FORBES JAMES WILFRED

3 patents

FORBES JAMES W

3 patents

REZAEI DAVOOD

1 patent