Inventor · disambiguated record
David W. Lutz
Also filed as: LUTZ DAVID · LUTZ DAVID E · LUTZ DAVID W · LUTZ DAVID WILLIAM
26 granted patents·6 pending applications·466 citations·filing 1976–2023
97Inventor score
Top patents by PatentIndex Score
32 records- 0192US5314290ACargo carrying vehicle having a movable bulkhead located thereinLUTZ DAVID E·Filed 1991·Granted May 24, 1994·76 cites·7 claims
- 0288US10953936B2Double stretch trailerLUTZ DAVID W·Filed 2017·Granted Mar 23, 2021·6 cites·20 claims
- 0387US6769536B2Expandable over and under line feed systemFiled 2001·Granted Aug 3, 2004·34 cites·14 claims
- 0487US4460064AForklift truck capable of raising and lowering itself and a load back and forth between two surfaces at different levelsLUTZ DAVID W·Filed 1982·Granted Jul 17, 1984·48 cites·12 claims
- 0585US11873035B2Stretch trailer with roller mechanismMASTER SOLUTIONS INC·Filed 2020·Granted Jan 16, 2024·3 cites·18 claims
- 0683US6675946B2Adjustable auxiliary conveyorFiled 2001·Granted Jan 13, 2004·27 cites·10 claims
- 0780US7871232B2Line feed system with indexing cartLUTZ DAVID W·Filed 2006·Granted Jan 18, 2011·13 cites·6 claims
- 0878US5704481AEasy open packageIVEX CORP·Filed 1994·Granted Jan 6, 1998·54 cites·17 claims
- 0974US10875590B2Modular beam haulerLUTZ DAVID W·Filed 2018·Granted Dec 29, 2020·2 cites·18 claims
- 1072US4181460AArticle handling apparatusLUTZ DAVID W·Filed 1977·Granted Jan 1, 1980·21 cites·8 claims
- 1171US7090064B2Auxiliary conveyor with adjustable traysLUTZ DAVID W·Filed 2004·Granted Aug 15, 2006·15 cites·20 claims
- 1271US5009564ACargo carrying vehicle having a movable bulkhead located thereinLUTZ DAVID E·Filed 1989·Granted Apr 23, 1991·32 cites·31 claims
- 1367US11370482B2Hydraulic steering systemMASTER SOLUTIONS INC·Filed 2019·Granted Jun 28, 2022·2 cites·20 claims
- 1467US6269938B1Over/under line feed systemFiled 1999·Granted Aug 7, 2001·23 cites·22 claims
- 1563US4082196ALoading and unloading apparatus for vehiclesLUTZ DAVID W·Filed 1976·Granted Apr 4, 1978·18 cites·41 claims
- 1662US8342319B2Reciprocating slat conveyorLUTZ DAVID W·Filed 2010·Granted Jan 1, 2013·1 cites·20 claims
- 1757US8100625B2Conveyor trailerLUTZ DAVID W·Filed 2006·Granted Jan 24, 2012·2 cites·3 claims
- 1856US4735305ALoad carrying apparatus capable of moving in both a walk mode and a crawl modeLUTZ DAVID E·Filed 1987·Granted Apr 5, 1988·13 cites·12 claims
- 1954US4204592ALoading and unloading apparatus for vehiclesLUTZ DAVID E·Filed 1978·Granted May 27, 1980·13 cites·14 claims
- 2051US2024109615A1Stretch Trailer With Pivotable Roller MechanismMASTER SOLUTIONS INC·Filed 2023·Application pending·0 cites
- 2150US4740007ATruck semi-trailer and full trailer combination in which the semi-trailer and the full trailer can be locked together for backingLUTZ DAVID E·Filed 1987·Granted Apr 26, 1988·13 cites·134 claims
- 2248US2021371024A1Perimeter Beam Double Stretch TrailerLUTZ DAVID W·Filed 2021·Application pending·0 cites
- 2347US5143508ACargo carrying vehicle having a movable bulkhead located thereinLUTZ DAVID E·Filed 1991·Granted Sep 1, 1992·18 cites·38 claims
- 2444US5020382AApparatus for loading and unloading objectsLUTZ DAVID W·Filed 1990·Granted Jun 4, 1991·8 cites·35 claims
- 2543US5782317ATransport apparatus for vertically moving objects and methodMASTER MANUFACTURERS INC·Filed 1996·Granted Jul 21, 1998·10 cites·26 claims
- 2643US2003180130A1Cart and lift systemFiled 2003·Application pending·0 cites
- 2742US2007031224A1Trailer locking and positioning systemLUTZ DAVID W·Filed 2006·Application pending·0 cites
- 2839US5160237AApparatus for loading and unloading objectsLUTZ DAVID W·Filed 1991·Granted Nov 3, 1992·7 cites·98 claims
- 2939US2012211333A1Leak-Resistant SubdeckLUTZ DAVID W·Filed 2011·Application pending·0 cites
- 3037US2011147167A1Under-Mount Slat ConveyorLUTZ DAVID W·Filed 2010·Application pending·0 cites
- 3135US5310305AApparatus for loading and unloading objectsMASTER MANUFACTURERS INC·Filed 1991·Granted May 10, 1994·6 cites·13 claims
- 3230USRE34493EApparatus for loading and unloading objectsFiled 1991·Granted Jan 4, 1994·1 cites·36 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →