Inventor · disambiguated record
Robert Bruce Wagstaff
Also filed as: WAGSTAFF ROBERT B · WAGSTAFF ROBERT BRUCE
58 granted patents·15 pending applications·537 citations·filing 1991–2024
98Inventor score
Top patents by PatentIndex Score
73 records- 0199US7748434B2Sequential casting of metals having high co-efficients of contractionNOVELIS INC·Filed 2007·Granted Jul 6, 2010·40 cites·9 claims
- 0298US6260602B1Casting of molten metal in an open ended mold cavityWAGSTAFF INC·Filed 2000·Granted Jul 17, 2001·52 cites·46 claims
- 0397US8927113B2Composite metal ingotNOVELIS INC·Filed 2012·Granted Jan 6, 2015·35 cites·12 claims
- 0497US7819170B2Method for casting composite ingotNOVELIS INC·Filed 2008·Granted Oct 26, 2010·18 cites·25 claims
- 0597US7516775B2Homogenization and heat-treatment of cast metalsNOVELIS INC·Filed 2006·Granted Apr 14, 2009·15 cites·37 claims
- 0696US7472740B2Method for casting composite ingotNOVELIS INC·Filed 2004·Granted Jan 6, 2009·73 cites·50 claims
- 0796US5582230ADirect cooled metal casting process and apparatusWAGSTAFF INC·Filed 1994·Granted Dec 10, 1996·44 cites·43 claims
- 0895US7882887B2Sequential casting of metals having the same or similar co-efficients of contractionNOVELIS INC·Filed 2008·Granted Feb 8, 2011·13 cites·9 claims
- 0995US7871478B2Homogenization and heat-treatment of cast metalsNOVELIS INC·Filed 2009·Granted Jan 18, 2011·9 cites·11 claims
- 1094US11383296B2Non-contacting molten metal flow controlNOVELIS INC·Filed 2019·Granted Jul 12, 2022·3 cites·19 claims
- 1194US8347949B2Elimination of shrinkage cavity in cast ingotsNOVELIS INC·Filed 2011·Granted Jan 8, 2013·10 cites·22 claims
- 1294US6546995B1Casting of molten metal in an open ended mold cavityALCAN INT LTD·Filed 2000·Granted Apr 15, 2003·21 cites·18 claims
- 1393US10837090B2Magnetic levitation heating of metal with controlled surface qualityNOVELIS INC·Filed 2017·Granted Nov 17, 2020·2 cites·21 claims
- 1493US8657164B2Molten metal leakage confinement and thermal optimization in vessels used for containing molten metalREEVES ERIC W·Filed 2011·Granted Feb 25, 2014·7 cites·11 claims
- 1593US8415025B2Composite metal as cast ingotANDERSON MARK DOUGLAS·Filed 2010·Granted Apr 9, 2013·6 cites·11 claims
- 1692US7762310B2Cladding superplastic alloysNOVELIS INC·Filed 2007·Granted Jul 27, 2010·14 cites·12 claims
- 1791US2025083219A1Metal casting and rolling lineNOVELIS INC·Filed 2024·Application pending·0 cites
- 1890US9073115B2Homogenization and heat-treatment of cast metalsNOVELIS INC·Filed 2012·Granted Jul 7, 2015·2 cites·9 claims
- 1990US8813827B2In-situ homogenization of DC cast metals with additional quenchNOVELIS INC·Filed 2013·Granted Aug 26, 2014·4 cites·16 claims
- 2090US8458887B2Homogenization and heat-treatment of cast metalsWAGSTAFF ROBERT BRUCE·Filed 2010·Granted Jun 11, 2013·3 cites·9 claims
- 2189US10913107B2Metal casting and rolling lineNOVELIS INC·Filed 2017·Granted Feb 9, 2021·1 cites·19 claims
- 2289US8365807B2Reduction of butt curl by pulsed water flow in DC castingNOVELIS INC·Filed 2012·Granted Feb 5, 2013·4 cites·34 claims
- 2387US7975752B2Co-casting of metals by direct chill castingNOVELIS INC·Filed 2008·Granted Jul 12, 2011·5 cites·9 claims
- 2486US10730266B2Clad aluminum alloy productsNOVELIS INC·Filed 2018·Granted Aug 4, 2020·1 cites·13 claims
- 2586US5518063ADirect cooled metal casting apparatusWAGSTAFF INC·Filed 1995·Granted May 21, 1996·22 cites·14 claims
- 2686US5318098AMetal casting unitWAGSTAFF INC·Filed 1992·Granted Jun 7, 1994·26 cites·52 claims
- 2785US10118221B2Mixing eductor nozzle and flow control deviceNOVELIS INC·Filed 2015·Granted Nov 6, 2018·1 cites·21 claims
- 2885US8336603B2Oxide restraint during co-casting of metalsBISCHOFF TODD F·Filed 2009·Granted Dec 25, 2012·10 cites·12 claims
- 2984US2023226598A1Metal casting and rolling lineNOVELIS INC·Filed 2023·Application pending·0 cites
- 3083US10464127B2Non-contacting molten metal flow controlNOVELIS INC·Filed 2015·Granted Nov 5, 2019·1 cites·30 claims
- 3183US8096344B2Sequential casting of metals having similar freezing rangesWAGSTAFF ROBERT BRUCE·Filed 2009·Granted Jan 17, 2012·6 cites·18 claims
- 3283US2022297181A1Non-contacting molten metal flow controlNOVELIS INC·Filed 2022·Application pending·0 cites
- 3382US5685359ADirect cooled annular moldWAGSTAFF INC·Filed 1996·Granted Nov 11, 1997·17 cites·14 claims
- 3482US2024238866A1Reduced final grain size of unrecrystallized wrought material produced via the direct chill (dc) routeNOVELIS INC·Filed 2024·Application pending·0 cites
- 3581US8945465B2Compressive rod assembly for molten metal containment structureREEVES ERIC W·Filed 2010·Granted Feb 3, 2015·4 cites·16 claims
- 3681US8312915B2Method for casting composite ingotANDERSON MARK DOUGLAS·Filed 2010·Granted Nov 20, 2012·5 cites·9 claims
- 3781US7608302B2Method for suppressing reaction of molten metals with refractory materialsNOVELIS INC·Filed 2007·Granted Oct 27, 2009·5 cites·14 claims
- 3881US6158498ACasting of molten metal in an open ended mold cavityWAGSTAFF INC·Filed 1997·Granted Dec 12, 2000·16 cites·49 claims
- 3981US5119883AApparatus and process for direct cooling an emerging ingot with gas-laden coolantWAGSTAFF ENGINEERING INC·Filed 1991·Granted Jun 9, 1992·20 cites·53 claims
- 4080US10835954B2Mixing eductor nozzle and flow control deviceNOVELIS INC·Filed 2018·Granted Nov 17, 2020·0 cites·20 claims
- 4179US9314840B2Intermittent molten metal deliveryNOVELIS INC·Filed 2015·Granted Apr 19, 2016·1 cites·15 claims
- 4279US8418748B2Casting composite ingot with metal temperature compensationWAGSTAFF ROBERT BRUCE·Filed 2011·Granted Apr 16, 2013·2 cites·15 claims
- 4378US11590565B2Metal casting and rolling lineNOVELIS INC·Filed 2020·Granted Feb 28, 2023·0 cites·9 claims
- 4478US9415439B2In-situ homogenization of DC cast metals with additional quenchNOVELIS INC·Filed 2014·Granted Aug 16, 2016·1 cites·22 claims
- 4576US11785678B2Rotating magnet heat inductionNOVELIS INC·Filed 2017·Granted Oct 10, 2023·2 cites·18 claims
- 4676US10975461B2Casting recycled aluminum scrapNOVELIS INC·Filed 2018·Granted Apr 13, 2021·1 cites·30 claims
- 4776US9192988B2Intermittent molten metal deliveryNOVELIS INC·Filed 2014·Granted Nov 24, 2015·1 cites·15 claims
- 4875US2021372470A1Non-Contact Magnetic SteeringNOVELIS INC·Filed 2021·Application pending·0 cites
- 4973US12376200B2Rotating magnet heat inductionNOVELIS INC·Filed 2023·Granted Jul 29, 2025·0 cites·10 claims
- 5073US11125271B2Non-contact magnetic steeringNOVELIS INC·Filed 2020·Granted Sep 21, 2021·0 cites·16 claims
Showing the top 50 of 73 patent records by PatentIndex Score.
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