Inventor · disambiguated record
Michael James Lehman
Also filed as: LEHMAN MICHAEL J · LEHMAN MICHAEL JAMES
15 granted patents·4 pending applications·119 citations·filing 1993–2022
90Inventor score
Files withCORNING INC11NAVISTAR INT CORP3BREW THOMAS WILLIAM2NAVISTAR INT TRANSP CORP2LEHMAN MICHAEL JAMES1
Top patents by PatentIndex Score
19 records- 0185US10328627B2Die assembly and method of extruding cellular ceramic substrates with a skinCORNING INC·Filed 2015·Granted Jun 25, 2019·2 cites·11 claims
- 0277US5451188ADriver-controlled differential lock control systemNAVISTAR INT CORP·Filed 1993·Granted Sep 19, 1995·34 cites·8 claims
- 0374US5853348APark position locking system for steering column transmission shifterNAVISTAR INT CORP·Filed 1996·Granted Dec 29, 1998·28 cites·15 claims
- 0466US6748768B2Apparatus and method of doping silica with fluorine during laydownCORNING INC·Filed 2001·Granted Jun 15, 2004·4 cites·13 claims
- 0565US12397469B2Honeycomb extrusion dies and methods of using and making sameCORNING INC·Filed 2022·Granted Aug 26, 2025·0 cites·20 claims
- 0659US12485574B2Extrusion dies with zoned coatings, methods of fabricating such dies, and methods of manufacturing ceramic articlesCORNING INC·Filed 2021·Granted Dec 2, 2025·0 cites·14 claims
- 0759US12049429B2Honeycomb body with a cutout portion and method of manufacturing sameCORNING INC·Filed 2022·Granted Jul 30, 2024·0 cites·13 claims
- 0859US9233488B2Die assembly and method of extruding cellular ceramic substrates with a skinCORNING INC·Filed 2013·Granted Jan 12, 2016·0 cites·18 claims
- 0959US6234586B1Parking brake lock-in key switch system for vehicle air brake systemNAVISTAR INT TRANSP CORP·Filed 1999·Granted May 22, 2001·24 cites·10 claims
- 1058US9878958B2Dimensional control of ceramic structures via compositionCORNING INC·Filed 2013·Granted Jan 30, 2018·1 cites·14 claims
- 1156US12194449B2Low bulk density, high geometric surface area honeycomb bodiesCORNING INC·Filed 2020·Granted Jan 14, 2025·0 cites·20 claims
- 1256US11505503B2Ceramic honeycomb bodies and manufactureCORNING INC·Filed 2020·Granted Nov 22, 2022·0 cites·11 claims
- 1355US6007159AParking brake lock-in key switch system for vehicle air brake systemNAVISTAR INT CORP·Filed 1998·Granted Dec 28, 1999·21 cites·10 claims
- 1454US2010301515A1Honeycomb Extrusion Die Apparatus And MethodsBREW THOMAS WILLIAM·Filed 2009·Application pending·0 cites
- 1552US2010052205A1Method of forming ceramic honeycomb substratesBREW THOMAS WILLIAM·Filed 2009·Application pending·0 cites
- 1651US8491295B2Die assembly and method of extruding cellular ceramic substrates with a skinLEHMAN MICHAEL JAMES·Filed 2010·Granted Jul 23, 2013·0 cites·6 claims
- 1749US2022347883A1Honeycomb extrusion die having swell reliefCORNING INC·Filed 2020·Application pending·0 cites
- 1838US2018327326A1Methods of making porous ceramic articlesCORNING INC·Filed 2016·Application pending·0 cites
- 1934US6237712B1Controlled two-speed axle shifting with automatic transmissionNAVISTAR INT TRANSP CORP·Filed 1999·Granted May 29, 2001·5 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →