Assignee
STEWART & STEVENSON LLC
US·19 granted patents·39 pending applications·266 citations·filing 2012–2025
Top patents by PatentIndex Score
58 records- 0195US11549506B2Wellsite electrical power management systemSTEWART & STEVENSON LLC·Filed 2020·Granted Jan 10, 2023·8 cites·12 claims
- 0295US10246984B2Well fracturing systems with electrical motors and methods of useSTEWART & STEVENSON LLC·Filed 2016·Granted Apr 2, 2019·235 cites·20 claims
- 0394US10851638B2Well fracturing systems with electrical motors and methods of useSTEWART & STEVENSON LLC·Filed 2019·Granted Dec 1, 2020·12 cites·6 claims
- 0485US11767748B2Well fracturing systems with electrical motors and methods of useSTEWART & STEVENSON LLC·Filed 2022·Granted Sep 26, 2023·1 cites·9 claims
- 0585US11719230B2Well servicing pump with electric motorSTEWART & STEVENSON LLC·Filed 2020·Granted Aug 8, 2023·2 cites·12 claims
- 0684US11598190B2Dual pump integrated fracking systemSTEWART & STEVENSON LLC·Filed 2021·Granted Mar 7, 2023·2 cites·22 claims
- 0782US2025354646A1Adjustable blender pump mount for hydraulic fracturingSTEWART & STEVENSON LLC·Filed 2025·Application pending·0 cites
- 0876US9764497B2System and method for producing homogenized oilfield gelsSTEWART & STEVENSON LLC·Filed 2012·Granted Sep 19, 2017·6 cites·17 claims
- 0976US2025087804A1Die cast battery enclosureSTEWART & STEVENSON LLC·Filed 2024·Application pending·0 cites
- 1074US2024339639A1Rapidly Deployable Redox Flow Battery Energy Storage SystemSTEWART & STEVENSON LLC·Filed 2024·Application pending·0 cites
- 1174US2026048372A1Blender systemSTEWART & STEVENSON LLC·Filed 2025·Application pending·0 cites
- 1272US12392446B2Adjustable blender pump mount for hydraulic fracturingSTEWART & STEVENSON LLC·Filed 2024·Granted Aug 19, 2025·0 cites·9 claims
- 1370US2025333087A1Operating system for multiple battery systemsSTEWART & STEVENSON LLC·Filed 2025·Application pending·0 cites
- 1469US2024088482A1Thermal management cooling system and control system for lithium-ion battery storageSTEWART & STEVENSON LLC·Filed 2023·Application pending·0 cites
- 1568US2023387536A1Rail-mounted battery carrier traySTEWART & STEVENSON LLC·Filed 2023·Application pending·0 cites
- 1668US2024063503A1Battery protective thermal enclosureSTEWART & STEVENSON LLC·Filed 2023·Application pending·0 cites
- 1767US2023365065A1Power generation systemSTEWART & STEVENSON LLC·Filed 2023·Application pending·0 cites
- 1867US2025042450A1Platform lift for railroad car moving vehicleSTEWART & STEVENSON LLC·Filed 2024·Application pending·0 cites
- 1967US2026066625A1Mobile multi-voltage power distribution systemSTEWART & STEVENSON LLC·Filed 2025·Application pending·0 cites
- 2064US11408267B2Well fracturing systems with electrical motors and methods of useSTEWART & STEVENSON LLC·Filed 2020·Granted Aug 9, 2022·0 cites·14 claims
- 2164US2023318115A1Lithium-ion battery module strap assemblySTEWART & STEVENSON LLC·Filed 2023·Application pending·0 cites
- 2263US2025108348A1Multi-tiered dispersion adapter for conveyor proppant delivery systemsSTEWART & STEVENSON LLC·Filed 2024·Application pending·0 cites
- 2363US2025108347A1Oilfield service slurry and proppant blending tubSTEWART & STEVENSON LLC·Filed 2024·Application pending·0 cites
- 2462US12424801B2Software controlled interlocking pilot pin connector systemSTEWART & STEVENSON LLC·Filed 2023·Granted Sep 23, 2025·0 cites·17 claims
- 2562US12060859B2Generator enclosure air intake with damperSTEWART & STEVENSON LLC·Filed 2023·Granted Aug 13, 2024·0 cites·20 claims
- 2661US12381440B2Directed air ventilation for lowering temperature in enclosed generatorsSTEWART & STEVENSON LLC·Filed 2024·Granted Aug 5, 2025·0 cites·16 claims
- 2761US2025214661A1Hybrid tractor/trailer systemSTEWART & STEVENSON LLC·Filed 2024·Application pending·0 cites
- 2861US2023198043A1Battery module for locomotiveSTEWART & STEVENSON LLC·Filed 2022·Application pending·0 cites
- 2961US2026028984A1Fluid end packing lubrication delivery systemSTEWART & STEVENSON LLC·Filed 2025·Application pending·0 cites
- 3060US12483095B2Generator cooling and enclosure ventilation systemSTEWART & STEVENSON LLC·Filed 2023·Granted Nov 25, 2025·0 cites·11 claims
- 3160US12018728B2Generator mounting skid with isolators and auxiliary support systemSTEWART & STEVENSON LLC·Filed 2023·Granted Jun 25, 2024·0 cites·9 claims
- 3259US2025205663A1Multi-algorithm control method and system for tub level in fracturing blenderSTEWART & STEVENSON LLC·Filed 2024·Application pending·0 cites
- 3357US2025171126A1Marine hybrid vessel power managementSTEWART & STEVENSON LLC·Filed 2023·Application pending·0 cites
- 3456US11713633B2Dry product additive unitSTEWART & STEVENSON LLC·Filed 2021·Granted Aug 1, 2023·0 cites·19 claims
- 3556US2023299408A1Mobile energy storage system and integrated skid baseSTEWART & STEVENSON LLC·Filed 2023·Application pending·0 cites
- 3655US12116024B2Platform lift for railroad car moving vehicleSTEWART & STEVENSON LLC·Filed 2021·Granted Oct 15, 2024·0 cites·8 claims
- 3755US2023143726A1Integrated fracturing unitSTEWART & STEVENSON LLC·Filed 2022·Application pending·0 cites
- 3855US2025207489A1Negotiating multi-controller logic for fan in mobile fracturing unitSTEWART & STEVENSON LLC·Filed 2024·Application pending·0 cites
- 3954US2024120752A1Adaptive current control passive balancingSTEWART & STEVENSON LLC·Filed 2023·Application pending·0 cites
- 4052US2025198270A1Mobile hydraulic fracturing unit discharge hose mounting and support systemSTEWART & STEVENSON LLC·Filed 2024·Application pending·0 cites
- 4152US2025171060A1Speed and traction control system for rail vehiclesSTEWART & STEVENSON LLC·Filed 2024·Application pending·0 cites
- 4252US2025132547A1Cable passthrough interlock cabinetSTEWART & STEVENSON LLC·Filed 2024·Application pending·0 cites
- 4352US2025198271A1Lubricating oil sequence valve heating systemSTEWART & STEVENSON LLC·Filed 2024·Application pending·0 cites
- 4451US2024426423A1Mechanical lubricating oil system with kidney loop systemSTEWART & STEVENSON LLC·Filed 2024·Application pending·0 cites
- 4551US2023302317A1Integrated fire suppression in mobile lithium-ion battery arraySTEWART & STEVENSON LLC·Filed 2023·Application pending·0 cites
- 4650US2025188825A1Illuminated mobile fracturing equipmentSTEWART & STEVENSON LLC·Filed 2024·Application pending·0 cites
- 4749US2023033222A1Integrated blender and friction reducer systemSTEWART & STEVENSON LLC·Filed 2021·Application pending·0 cites
- 4847US2023259147A1Multi-stage gas pressure reduction systemSTEWART & STEVENSON LLC·Filed 2023·Application pending·0 cites
- 4946US11578579B2Wellsite adaptive power management systemSTEWART & STEVENSON LLC·Filed 2020·Granted Feb 14, 2023·0 cites·8 claims
- 5046US2024344427A9Modular integrated cooling systemSTEWART & STEVENSON LLC·Filed 2023·Application pending·0 cites
Showing the top 50 of 58 patent records by PatentIndex Score.
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