Inventor · disambiguated record
Grant Leum
Also filed as: LEUM GRANT
45 granted patents·10 pending applications·364 citations·filing 2000–2023
98Inventor score
Files withLEUM GRANT23LEUM ENG INC20LEUM ENG INC D/B/A DOCKZILLA CO5RITE HITE HOLDING CORP5MITCHELL MICHAEL1
Top patents by PatentIndex Score
55 records- 0196US11273999B1Modular loading dock with integrated levelerLEUM ENG INC·Filed 2020·Granted Mar 15, 2022·6 cites·8 claims
- 0295US6368043B1Low-profile truck levelerRITE HITE HOLDING CORP·Filed 2000·Granted Apr 9, 2002·74 cites·39 claims
- 0394US11511954B2Vehicle leveler with swing gateLEUM ENG INC·Filed 2021·Granted Nov 29, 2022·4 cites·15 claims
- 0493US6773221B2Positive locking mechanism for a wheel-activated vehicle restraintRITE HITE HOLDING CORP·Filed 2001·Granted Aug 10, 2004·60 cites·50 claims
- 0588US11772915B2Hydraulically-powered vehicle levelerLEUM ENG INC·Filed 2021·Granted Oct 3, 2023·2 cites·10 claims
- 0687US9688493B2Mobile loading dock with side extensionsLEUM GRANT·Filed 2015·Granted Jun 27, 2017·7 cites·19 claims
- 0787USD640854SHinged dock rampLEUM GRANT·Filed 2010·Granted Jun 28, 2011·37 cites·1 claims
- 0887US7363670B2Formed front header for a dock levelerRITE HITE HOLDING CORP·Filed 2004·Granted Apr 29, 2008·28 cites·7 claims
- 0986US9944475B1Dock levelerLEUM ENG INC·Filed 2017·Granted Apr 17, 2018·8 cites·9 claims
- 1086US9260258B1Removable dock barrierLEUM GRANT·Filed 2015·Granted Feb 16, 2016·8 cites·20 claims
- 1185US7670096B2Compound truck levelerLEUM GRANT·Filed 2006·Granted Mar 2, 2010·17 cites·11 claims
- 1284US8869334B1Mobile loading dock with load-bearing frameLEUM GRANT·Filed 2013·Granted Oct 28, 2014·10 cites·12 claims
- 1383US9150369B1Mobile loading dock with adjustable leg assemblyLEUM GRANT·Filed 2015·Granted Oct 6, 2015·5 cites·8 claims
- 1482US9938094B1Dock leveler with safety barrierLEUM ENG INC·Filed 2017·Granted Apr 10, 2018·6 cites·11 claims
- 1581US9051136B2Mobile loading dock with adjustable leg assemblyLEUM GRANT·Filed 2013·Granted Jun 9, 2015·10 cites·8 claims
- 1681US7546655B2Formed front header for a dock levelerRITE HITE HOLDING CORP·Filed 2008·Granted Jun 16, 2009·11 cites·5 claims
- 1778US11577923B2Portable dock plateLEUM ENG INC·Filed 2020·Granted Feb 14, 2023·1 cites·6 claims
- 1877US11858763B2Vehicle leveler with safety featuresLEUM ENG INC·Filed 2022·Granted Jan 2, 2024·0 cites·20 claims
- 1976US11753261B2Vehicle leveler with safety featuresLEUM ENG INC·Filed 2022·Granted Sep 12, 2023·0 cites·12 claims
- 2076US11745965B2Vehicle leveler with safety featuresLEUM ENG INC·Filed 2022·Granted Sep 5, 2023·0 cites·12 claims
- 2176USD968652SSwing gate for a loading dockLEUM ENG INC·Filed 2021·Granted Nov 1, 2022·6 cites·1 claims
- 2273US8141189B2Formed front header for a dock levelerMITCHELL MICHAEL·Filed 2009·Granted Mar 27, 2012·9 cites·15 claims
- 2373US7017643B2Guard assembly and handrail for use with overhead doorsLEUM GRANT·Filed 2003·Granted Mar 28, 2006·18 cites·23 claims
- 2471US11572239B2Vehicle leveler with safety featuresLEUM ENG INC·Filed 2021·Granted Feb 7, 2023·0 cites·10 claims
- 2571US10370207B1Outdoor mobile loading dockLEUM GRANT·Filed 2018·Granted Aug 6, 2019·2 cites·21 claims
- 2670US10479624B2Dock housingLEUM GRANT·Filed 2017·Granted Nov 19, 2019·2 cites·7 claims
- 2769US12479676B2Vehicle leveler with improved drainageLEUM ENG INC·Filed 2021·Granted Nov 25, 2025·0 cites·7 claims
- 2868US11273998B2Vehicle leveler with safety featuresLEUM ENG INC·Filed 2020·Granted Mar 15, 2022·0 cites·8 claims
- 2968US7062814B2Inflatable column assembly for a dock levelerRITE HITE HOLDING CORP·Filed 2002·Granted Jun 20, 2006·15 cites·54 claims
- 3067US12486127B2Vehicle leveler with lighting safety featuresLEUM ENG INC·Filed 2022·Granted Dec 2, 2025·0 cites·29 claims
- 3167US10815103B1Vehicle levelerLEUM ENG INC·Filed 2019·Granted Oct 27, 2020·1 cites·15 claims
- 3263USD832681SFloor sleeve insertLEUM GRANT·Filed 2018·Granted Nov 6, 2018·0 cites·1 claims
- 3361USD712112SLow-profile lip extender unit for a dock rampLEUM GRANT·Filed 2013·Granted Aug 26, 2014·11 cites·1 claims
- 3459US12006170B2Vehicle leveler with door interlockLEUM ENG INC·Filed 2021·Granted Jun 11, 2024·0 cites·16 claims
- 3557US10365016B1Solar-powered mobile loading dockLEUM GRANT·Filed 2018·Granted Jul 30, 2019·0 cites·13 claims
- 3656US12214979B2Vehicle leveler with safety featuresLEUM ENG INC·Filed 2021·Granted Feb 4, 2025·0 cites·24 claims
- 3756US12024411B2Vehicle leveler with wheel chockLEUM ENG INC·Filed 2021·Granted Jul 2, 2024·0 cites·21 claims
- 3855US2024336447A1Loading Dock with Integrated LevelerLEUM ENG INC D/B/A DOCKZILLA CO·Filed 2023·Application pending·0 cites
- 3955US2024076146A1Loading Dock with Integrated LevelerLEUM ENG INC D/B/A DOCKZILLA CO·Filed 2023·Application pending·0 cites
- 4054US10549934B2Dock housingLEUM GRANT·Filed 2019·Granted Feb 4, 2020·0 cites·7 claims
- 4154US10518990B2Outdoor mobile loading dockLEUM GRANT·Filed 2019·Granted Dec 31, 2019·0 cites·12 claims
- 4253US8869332B1Mobile loading dock with slot-engaging memberLEUM GRANT·Filed 2013·Granted Oct 28, 2014·1 cites·8 claims
- 4352US9169090B2Mobile loading dock with wheel assemblyLEUM GRANT·Filed 2013·Granted Oct 27, 2015·0 cites·15 claims
- 4452US2024076147A1Loading Dock with Integrated LevelerLEUM ENG INC D/B/A DOCKZILLA CO·Filed 2022·Application pending·0 cites
- 4552US2024076145A1Adjustable Mobile Loading DockLEUM ENG INC D/B/A DOCKZILLA CO·Filed 2022·Application pending·0 cites
- 4648USD813488SLoading dock rampLEUM GRANT·Filed 2016·Granted Mar 20, 2018·4 cites·1 claims
- 4748US9254971B1Mobile loading dock with wheel assemblyLEUM GRANT·Filed 2015·Granted Feb 9, 2016·0 cites·18 claims
- 4848US2016222612A1Vertical floor sleeveLEUM GRANT·Filed 2015·Application pending·0 cites
- 4947US2022162023A1Portable Dock PlateLEUM ENG INC D/B/A DOCKZILLA CO·Filed 2021·Application pending·0 cites
- 5046US2020347982A1Modular and Impactable Frame with Integrated LevelerLEUM ENG INC·Filed 2020·Application pending·0 cites
Showing the top 50 of 55 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →