Inventor · disambiguated record
Robert M. Lewis
Also filed as: LEWIS ROBERT M
22 granted patents·450 citations·filing 1979–2019
96Inventor score
Files withSHELL OIL CO10UNITED TECHNOLOGIES CORP4HELIX TECH CORP3LEWIS ROBERT M2C A S T MINERALS INC1
Top patents by PatentIndex Score
22 records- 0195US4637992AIntercalated clay compositionsSHELL OIL CO·Filed 1984·Granted Jan 20, 1987·85 cites·7 claims
- 0294US4510257ASilica-clay complexesSHELL OIL CO·Filed 1983·Granted Apr 9, 1985·74 cites·16 claims
- 0390US4497908ACopper-alkali metal-ruthenium/silica catalyst for converting syngas to linear alpha-olefinsSHELL OIL CO·Filed 1984·Granted Feb 5, 1985·27 cites·5 claims
- 0485US10920621B2Horizontal engine build standUNITED TECHNOLOGIES CORP·Filed 2019·Granted Feb 16, 2021·3 cites·12 claims
- 0583US4356701ACryopumpHELIX TECH CORP·Filed 1981·Granted Nov 2, 1982·35 cites·11 claims
- 0682US4717513ASilica intercalated crystalline zirconium phosphate-type materialsSHELL OIL CO·Filed 1984·Granted Jan 5, 1988·34 cites·5 claims
- 0781US10221724B2Horizontal engine build standUNITED TECHNOLOGIES CORP·Filed 2015·Granted Mar 5, 2019·3 cites·12 claims
- 0881US6165030APedal driven propulsion deviceFiled 2000·Granted Dec 26, 2000·23 cites·33 claims
- 0977US6666335B1Multi-mineral/ash benefication process and apparatusC A S T MINERALS INC·Filed 2000·Granted Dec 23, 2003·34 cites·4 claims
- 1076US4961843ALewis econosizer for hydraulically classifying particlesLEWIS ROBERT M·Filed 1989·Granted Oct 9, 1990·32 cites·8 claims
- 1175US9885286B2Gas turbine engine assembly method and systemUNITED TECHNOLOGIES CORP·Filed 2015·Granted Feb 6, 2018·2 cites·14 claims
- 1272USD668124SHand toolLEWIS ROBERT M·Filed 2010·Granted Oct 2, 2012·19 cites·1 claims
- 1371US4259844AStacked disc heat exchanger for refrigerator cold fingerHELIX TECH CORP·Filed 1979·Granted Apr 7, 1981·28 cites·11 claims
- 1470US10533498B2Gas turbine engine assembly method and systemUNITED TECHNOLOGIES CORP·Filed 2018·Granted Jan 14, 2020·1 cites·7 claims
- 1563US4439624AConversion of dimethyl ether to formaldehyde using Bi-Mo-Cu catalystSHELL OIL CO·Filed 1982·Granted Mar 27, 1984·6 cites·4 claims
- 1657US4454722ACryopumpHELIX TECH CORP·Filed 1982·Granted Jun 19, 1984·13 cites·9 claims
- 1755US4455389AMagnesium hydride modified aluminum/siliceous compositionsSHELL OIL CO·Filed 1983·Granted Jun 19, 1984·4 cites·8 claims
- 1851US4653972ABookbinding machinePORTALS ENG LTD·Filed 1985·Granted Mar 31, 1987·12 cites·6 claims
- 1951US4450099ABarium hydride modified aluminum/siliceous compositionsSHELL OIL CO·Filed 1983·Granted May 22, 1984·3 cites·8 claims
- 2049US4442307AConversion of dimethyl ether to formaldehyde using Bi-Mo-Fe catalystSHELL OIL CO·Filed 1982·Granted Apr 10, 1984·8 cites·4 claims
- 2136US4435602AConversion of dimethyl ether to formaldehydeSHELL OIL CO·Filed 1982·Granted Mar 6, 1984·3 cites·6 claims
- 2232US4472530AZirconium hydride modified aluminum/siliceous compositionsSHELL OIL CO·Filed 1983·Granted Sep 18, 1984·1 cites·8 claims
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