P

Inventor

BRAMFITT BRUCE L

US9 patents
⚠️ This page may combine multiple inventors who share the name “BRAMFITT BRUCE L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BETHLEHEM STEEL CORP

4 patents
US4398970AAug 16, 1983

Titanium and vanadium dual-phase steel and method of manufacture

BETHLEHEM STEEL CORP37 citations89
US5017335AMay 21, 1991

Microalloyed steel and process for preparing a railroad joint bar

BETHLEHEM STEEL CORP9 citations71
US4415376ANov 15, 1983

Formable high strength low alloy steel sheet

BETHLEHEM STEEL CORP16 citations67
US5387392AFeb 7, 1995

High strength, high toughness steel grade and gas cylinder thereof

BETHLEHEM STEEL CORP4 citations53

BRAMFITT BRUCE L

2 patents
US8241442B2Aug 14, 2012

Method of making a hypereutectoid, head-hardened steel rail

BRAMFITT BRUCE L11 citations77
US8721807B2May 13, 2014

Hypereutectoid, head-hardened steel rail

BRAMFITT BRUCE L1 citations55

ARCELORMITTAL INVESTIG Y DESARROLLO S L

2 patents
US9512501B2Dec 6, 2016

Hypereutectoid-head steel rail

ARCELORMITTAL INVESTIG Y DESARROLLO S L0 citations46
US10604819B2Mar 31, 2020

Method of making high strength steel crane rail

ARCELORMITTAL INVESTIG Y DESARROLLO S L0 citations32

ARCELORMITTAL INVESTIGACIÓN Y DESARROLLO SL

1 patent
US9476107B2Oct 25, 2016

Method of making high strength steel crane rail

ARCELORMITTAL INVESTIGACIÓN Y DESARROLLO SL7 citations72