Assignee
HIGHWAY EQUIP CO
US·12 granted patents·4 pending applications·254 citations·filing 1978–2024
Top patents by PatentIndex Score
16 records- 0189US6517281B1Adjustable spinner for a particulate material spreaderHIGHWAY EQUIP CO·Filed 2000·Granted Feb 11, 2003·57 cites·20 claims
- 0289US4230280AVehicular spreader with digital electronic ground speed linkHIGHWAY EQUIP CO·Filed 1978·Granted Oct 28, 1980·73 cites·11 claims
- 0374US6817551B2Convertible plural bin and conveyor material spreaderHIGHWAY EQUIP CO·Filed 2002·Granted Nov 16, 2004·32 cites·44 claims
- 0472US7980484B1Automatic flow gap adjusting anti-slab method and apparatusHIGHWAY EQUIP CO·Filed 2009·Granted Jul 19, 2011·10 cites·18 claims
- 0572US2024349639A1High output precision spinnerHIGHWAY EQUIP CO·Filed 2024·Application pending·0 cites
- 0672US2024357958A1High output precision spinnerHIGHWAY EQUIP CO·Filed 2024·Application pending·0 cites
- 0768US12295281B2System and method for controlling distribution pattern of centrifugal fertilizer spreadersHIGHWAY EQUIP CO·Filed 2023·Granted May 13, 2025·0 cites·16 claims
- 0865US12063880B2High output precision spinnerHIGHWAY EQUIP CO·Filed 2022·Granted Aug 20, 2024·0 cites·7 claims
- 0963US4790484AApparatus for distributing granular materialHIGHWAY EQUIP CO·Filed 1986·Granted Dec 13, 1988·32 cites·10 claims
- 1060US11665994B2System and method for controlling distribution pattern of centrifugal fertilizer spreadersHIGHWAY EQUIP CO·Filed 2022·Granted Jun 6, 2023·0 cites·18 claims
- 1154US6092966AMulti-purpose dump unit for vehiclesHIGHWAY EQUIP CO·Filed 1998·Granted Jul 25, 2000·23 cites·7 claims
- 1252US6520458B2Distributor insert dual function stand and storage methodHIGHWAY EQUIP CO·Filed 2001·Granted Feb 18, 2003·6 cites·11 claims
- 1340US5076704AMethods of and apparatus for blending and elevating materialsHIGHWAY EQUIP CO·Filed 1991·Granted Dec 31, 1991·15 cites·19 claims
- 1439US2017274397A1Broadcast spreader with swath manipulationHIGHWAY EQUIP CO·Filed 2017·Application pending·0 cites
- 1535US2003192967A1Adjustable spinner for a particulate material spreaderHIGHWAY EQUIP CO·Filed 2003·Application pending·0 cites
- 1634US4561594AEnd cleaner for flail type manure spreaderHIGHWAY EQUIP CO·Filed 1984·Granted Dec 31, 1985·6 cites·1 claims
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