Assignee
TATA STEEL LTD
IN·30 granted patents·10 pending applications·24 citations·filing 2005–2022
Top patents by PatentIndex Score
40 records- 0193US10280489B2Direct smelting processTATA STEEL LTD·Filed 2016·Granted May 7, 2019·5 cites·12 claims
- 0290US11162733B2Lance unblocking method and apparatusTATA STEEL LTD·Filed 2016·Granted Nov 2, 2021·3 cites·11 claims
- 0387US10584393B2Smelting process and apparatusTATA STEEL LTD·Filed 2014·Granted Mar 10, 2020·3 cites·6 claims
- 0484US10807871B2Process for producing graphene, a graphene and a substrate thereofTATA STEEL LTD·Filed 2017·Granted Oct 20, 2020·3 cites·14 claims
- 0582US10619927B2Solids injection lanceTATA STEEL LTD·Filed 2014·Granted Apr 14, 2020·2 cites·15 claims
- 0679US10151014B2Direct smelting process and apparatusTATA STEEL LTD·Filed 2015·Granted Dec 11, 2018·1 cites·11 claims
- 0775US11835296B2Lance unblocking method and apparatusTATA STEEL LTD·Filed 2021·Granted Dec 5, 2023·0 cites·9 claims
- 0871US10876184B2Hot rolled high strength steel (HRHSS) product with tensile strength of 1000-1200 MPa and total elongation of 16%-17%TATA STEEL LTD·Filed 2017·Granted Dec 29, 2020·1 cites·17 claims
- 0971US10451348B2Smelting process and apparatusTATA STEEL LTD·Filed 2014·Granted Oct 22, 2019·1 cites·16 claims
- 1070US9303922B2Method and apparatus for achieving higher cooling rates of a gas during bypass cooling in a batch annealing furnace of cold rolling millsTATA STEEL LTD·Filed 2013·Granted Apr 5, 2016·1 cites·5 claims
- 1166US7682418B2Cored wire injection process in steel meltsTATA STEEL LTD·Filed 2005·Granted Mar 23, 2010·4 cites·7 claims
- 1262US11420246B2Method for improving fatigue strength of a workpiece and the workpiece thereofTATA STEEL LTD·Filed 2019·Granted Aug 23, 2022·0 cites·10 claims
- 1362US2025073776A1Method of Producing Spherical Copper Powder and a Product ThereofTATA STEEL LTD·Filed 2022·Application pending·0 cites
- 1458US11897772B2Method of preparation of reduced graphene oxide(rGO)TATA STEEL LTD·Filed 2019·Granted Feb 13, 2024·0 cites·14 claims
- 1557US10018419B2Solids injection lanceTATA STEEL LTD·Filed 2014·Granted Jul 10, 2018·0 cites·20 claims
- 1656US2024418445A1A device and system for measuring thickness of a conduitTATA STEEL LTD·Filed 2022·Application pending·0 cites
- 1755US11821052B2Method for improving yield strength of a workpiece, an apparatus and a workpiece thereofTATA STEEL LTD·Filed 2017·Granted Nov 21, 2023·0 cites·19 claims
- 1855US11293073B2Hot rolled steel product with ultra-high strength minimum 1100MPA and good elongation 21%TATA STEEL LTD·Filed 2017·Granted Apr 5, 2022·0 cites·14 claims
- 1954US2016244637A1Chromium-Free Water Based Coating for Treating a Galvannealed or Galvanized Steel SurfaceTATA STEEL LTD·Filed 2014·Application pending·0 cites
- 2053US12215280B2Method for producing metallurgical coke and the metallurigical coke thereofTATA STEEL LTD·Filed 2021·Granted Feb 4, 2025·0 cites·14 claims
- 2152US10781497B2Method of sealing and repairing a refractory tap holeTATA STEEL LTD·Filed 2015·Granted Sep 22, 2020·0 cites·16 claims
- 2251US9567215B2Method for producing hydrogen and/or other gases from steel plant wastes and waste heatTATA STEEL LTD·Filed 2015·Granted Feb 14, 2017·0 cites·19 claims
- 2350US10900715B2Slag notchTATA STEEL LTD·Filed 2016·Granted Jan 26, 2021·0 cites·17 claims
- 2450US2011027133A1Set-Up For Production Of Hydrogen Gas By Thermo-Chemical Decomposition Of Water Using Steel Plant Slag And Waste MaterialsTATA STEEL LTD·Filed 2010·Application pending·0 cites
- 2549US11569397B2Hybrid transparent conducting electrodeTATA STEEL LTD·Filed 2018·Granted Jan 31, 2023·0 cites·7 claims
- 2649US11371105B2Smelting process and apparatusTATA STEEL LTD·Filed 2017·Granted Jun 28, 2022·0 cites·12 claims
- 2748US11511999B2Process for producing graphene based transparent conductive electrode and the product thereofTATA STEEL LTD·Filed 2018·Granted Nov 29, 2022·0 cites·16 claims
- 2848US11021767B2Method for heat treating an iron-carbon alloyTATA STEEL LTD·Filed 2016·Granted Jun 1, 2021·0 cites·12 claims
- 2948US2010111826A1Set-Up for Production of Hydrogen Gas By Thermo-Chemical Decomposition of Water Using Steel Plant Slag and Waste MaterialsTATA STEEL LTD·Filed 2006·Application pending·0 cites
- 3046US11242490B2Method for producing metallurgical coke from non-coking coalTATA STEEL LTD·Filed 2019·Granted Feb 8, 2022·0 cites·12 claims
- 3146US2025121423A1Press system and method of manufacturing hot stamped structural componentTATA STEEL LTD·Filed 2022·Application pending·0 cites
- 3245US2024109400A1A reinforcement member for a vehicleTATA STEEL LTD·Filed 2022·Application pending·0 cites
- 3345US2009220410A1Method for Producing Hydrogen and/or Other Gases from Steel Plant Wastes and Waste HeatTATA STEEL LTD·Filed 2006·Application pending·0 cites
- 3444US9617159B2Process for synthesizing reduced graphene oxide on a substrate from seedlacTATA STEEL LTD·Filed 2014·Granted Apr 11, 2017·0 cites·22 claims
- 3544US2023357905A1A method for producing spheroidized or non-lamellar microstructure steelsTATA STEEL LTD·Filed 2021·Application pending·0 cites
- 3642US12473608B2Steel composition in accordance with API 5L PSL-2 specification for X-65 grade having enhanced hydrogen induced cracking (HIC) resistance, and method of manufacturing the steel thereofTATA STEEL LTD·Filed 2018·Granted Nov 18, 2025·0 cites·13 claims
- 3742US12122907B2Compounds, compositions and methods for utilization of non-coking coalTATA STEEL LTD·Filed 2020·Granted Oct 22, 2024·0 cites·13 claims
- 3842US11186887B2Multi-track laser surface hardening of low carbon cold rolled closely annealed (CRCA) grades of steelsTATA STEEL LTD·Filed 2014·Granted Nov 30, 2021·0 cites·20 claims
- 3937US2020123630A1Hot Rolled Precipitation Strengthened and Grain Refined High Strength Dual Phase Steel Sheet Possessing 600 MPa Minimum Tensile Strength and a Process ThereofTATA STEEL LTD·Filed 2017·Application pending·0 cites
- 4030US11994495B2Method of detecting crack propagation in wall of a metallurgical furnace and a detection unitTATA STEEL LTD·Filed 2018·Granted May 28, 2024·0 cites·12 claims
Join the waitlist — get patent alerts
Get an alert when TATA STEEL LTD files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →