Inventor · disambiguated record
Donald R. Landoll
Also filed as: LANDOLL DONALD R
24 granted patents·5 pending applications·636 citations·filing 1977–2015
97Inventor score
Top patents by PatentIndex Score
29 records- 0192US4361191ASeedbed preparation implementLANDOLL CORP·Filed 1981·Granted Nov 30, 1982·85 cites·30 claims
- 0291US8210418B1Multi-station, gantry-based automated welding systemLANDOLL DONALD R·Filed 2011·Granted Jul 3, 2012·45 cites·14 claims
- 0390US6394734B1Trailer having actuatable tail rampFiled 2000·Granted May 28, 2002·56 cites·11 claims
- 0488US5462123ATillage implement with on-the-go depth control of angle adjustable disc gangsLANDOLL CORP·Filed 1993·Granted Oct 31, 1995·57 cites·23 claims
- 0582US5787988AFolding seed planterLANDOLL CORP·Filed 1996·Granted Aug 4, 1998·50 cites·10 claims
- 0681US8434657B2Gantry-based welding system and methodLANDOLL DONALD R·Filed 2012·Granted May 7, 2013·8 cites·16 claims
- 0780US6568892B2Container lockdown deviceLANDOLL CORP·Filed 2001·Granted May 27, 2003·22 cites·6 claims
- 0878US6126378AMulti-purpose, low-load angle trailer with laterally extendable winch armsLANDOLL CORP·Filed 1998·Granted Oct 3, 2000·32 cites·6 claims
- 0975US7992650B2Air spring down-pressure system for implementLANDOLL CORP·Filed 2009·Granted Aug 9, 2011·15 cites·18 claims
- 1073US5013056ALow load angle step deck trailer having shiftable undercarriageLANDOLL CORP·Filed 1989·Granted May 7, 1991·40 cites·19 claims
- 1173US4125198ATrailer having shiftable undercarriageLANDOLL CORP·Filed 1977·Granted Nov 14, 1978·26 cites·3 claims
- 1272US6378887B2Gooseneck lift mechanismLANDOLL CORP·Filed 2000·Granted Apr 30, 2002·21 cites·5 claims
- 1371US6655904B2Method of off-loading a container from a tilt bed trailerLANDOLL CORP·Filed 2002·Granted Dec 2, 2003·15 cites·7 claims
- 1467US8863882B2Hydraulic steering system for forklift trucksLANDOLL DONALD R·Filed 2012·Granted Oct 21, 2014·5 cites·5 claims
- 1566US8276704B2Hydraulic steering system for forklift trucksLANDOLL DONALD R·Filed 2010·Granted Oct 2, 2012·5 cites·5 claims
- 1666US4746261ASelf-loading tilt-bed trailer having transverse bed realignment meansLANDOLL CORP·Filed 1987·Granted May 24, 1988·30 cites·12 claims
- 1765US5082064ATillage implement having depth adjustable discsLANDOLL CORP·Filed 1990·Granted Jan 21, 1992·27 cites·18 claims
- 1861US4630991ATruck having tiltable front and rear framesLANDOLL CORP·Filed 1985·Granted Dec 23, 1986·27 cites·5 claims
- 1957US4492507AActuator for shiftable undercarriage of tiltable trailerLANDOLL CORP·Filed 1983·Granted Jan 8, 1985·16 cites·14 claims
- 2057US4231710ATiltable trailer having movable undercarriageLANDOLL CORP·Filed 1979·Granted Nov 4, 1980·15 cites·4 claims
- 2155US6224082B1Cam action detachable gooseneck trailerLANDOLL CORP·Filed 1999·Granted May 1, 2001·19 cites·11 claims
- 2249US6406231B1Container lockdown deviceLANDOLL CORP·Filed 1999·Granted Jun 18, 2002·12 cites·25 claims
- 2346US8292557B2Vehicle transporterLANDOLL DONALD R·Filed 2011·Granted Oct 23, 2012·1 cites·1 claims
- 2444US2014262379A1Tandem conditioning reels for cultivator with bearing systemLANDOLL CORP·Filed 2014·Application pending·0 cites
- 2544US2014262373A1Tillage disc assembliesLANDOLL CORP·Filed 2014·Application pending·0 cites
- 2644US2014262368A1High speed tillage tool and method of useLANDOLL CORP·Filed 2014·Application pending·0 cites
- 2737US2014054051A1Tillage implement with raisable soil-leveling cylindersLANDOLL CORP·Filed 2013·Application pending·0 cites
- 2836US4556357ATruck having articulated chassis for hauling goodsLANDOLL CORP·Filed 1984·Granted Dec 3, 1985·7 cites·6 claims
- 2931US2015163989A1Agricultural implements with hinged and floating wingsLANDOLL CORP·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →