Inventor
BLACK KENNETH WAYNE
CA7 patents
Patents
7 patentsUS11807282B2Nov 7, 2023
Railroad car truck damper wedge fittings
NAT STEEL CAR LTD1 citations60
US11691652B2Jul 4, 2023
Railroad hopper car with flow through structure
NAT STEEL CAR LTD0 citations56
US12139178B2Nov 12, 2024
Railroad car and end door assembly therefor
NAT STEEL CAR LTD0 citations55
US12054182B2Aug 6, 2024
Railroad freight car access fittings
NAT STEEL CAR LTD0 citations54
US11608096B2Mar 21, 2023
Railroad tank car fittings
NAT STEEL CAR LTD0 citations54
US10766505B2Sep 8, 2020
Railroad car and end door assembly therefor
NAT STEEL CAR LTD0 citations45
US10689012B2Jun 23, 2020
Railroad freight car access fittings
NAT STEEL CAR LTD0 citations44