Inventor · disambiguated record
Derrick Lepak
Also filed as: LEPAK DERRICK · LEPAK DERRICK J
10 granted patents·10 citations·filing 2011–2024
79Inventor score
Top patents by PatentIndex Score
10 records- 0174US8613555B2Composite metal-polymer bushing and crankshaft assemblyBENCO MICHAEL G·Filed 2011·Granted Dec 24, 2013·9 cites·23 claims
- 0273US12474083B2Scroll compressor with intermediate injectionTRANE INT INC·Filed 2024·Granted Nov 18, 2025·0 cites·20 claims
- 0373US12338818B2Scroll compressor with intermediate injectionTRANE INT INC·Filed 2023·Granted Jun 24, 2025·0 cites·19 claims
- 0472US12012963B2Scroll compressor with economizer injectionTRANE INT INC·Filed 2022·Granted Jun 18, 2024·0 cites·18 claims
- 0570US10197059B2Double-ended scroll compressor lubrication of one orbiting scroll bearing via crankshaft oil gallery from another orbiting scroll bearingTRANE INT INC·Filed 2017·Granted Feb 5, 2019·1 cites·15 claims
- 0668US11371505B2Scroll compressor with economizer injectionTRANE INT INC·Filed 2019·Granted Jun 28, 2022·0 cites·19 claims
- 0760US9598960B2Double-ended scroll compressor lubrication of one orbiting scroll bearing via crankshaft oil gallery from another orbiting scroll bearingTRANE INT INC·Filed 2014·Granted Mar 21, 2017·0 cites·20 claims
- 0859US11162495B2Oil circulation in a scroll compressorTRANE INT INC·Filed 2017·Granted Nov 2, 2021·0 cites·16 claims
- 0952US11480176B2Scroll compressor with economizer injectionTRANE INT INC·Filed 2020·Granted Oct 25, 2022·0 cites·20 claims
- 1051US9657737B2Scroll compressor with pressurized oil balance pistonTRANE INT INC·Filed 2014·Granted May 23, 2017·0 cites·10 claims
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