Scroll compressor with intermediate injection
US-12474083-B2 · Nov 18, 2025 · US
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Lepak Derrick patents
Lepak Derrick is listed as an inventor on 18 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Lepak Derrick |
| Total patents | 18 |
| First publication | Feb 5, 2015 |
| Latest publication | Nov 18, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Scroll compressor with intermediate injection
US-12338818-B2 · Jun 24, 2025 · US
Scroll compressor with intermediate injection
US-2024287985-A1 · Aug 29, 2024 · US
Scroll compressor with intermediate injection
US-2024288197-A1 · Aug 29, 2024 · US
Scroll compressor with economizer injection
US-12012963-B2 · Jun 18, 2024 · US
Scroll compressor with economizer injection
US-11480176-B2 · Oct 25, 2022 · US
Scroll compressor with economizer injection
US-2022325715-A1 · Oct 13, 2022 · US
Scroll compressor with economizer injection
US-11371505-B2 · Jun 28, 2022 · US
Oil circulation in a scroll compressor
US-11162495-B2 · Nov 2, 2021 · US
Scroll compressor with economizer injection
US-2020408213-A1 · Dec 31, 2020 · US
Recent patents
Latest publications not already listed above.
Scroll compressor with economizer injection
US-2020408209-A1 · Dec 31, 2020 · US
Oil circulation in a scroll compressor
US-2019113037-A1 · Apr 18, 2019 · US
Double-ended scroll compressor lubrication of one orbiting scroll bearing via crankshaft oil gallery from another orbiting scroll bearing
US-10197059-B2 · Feb 5, 2019 · US
Double-ended scroll compressor lubrication of one orbiting scroll bearing via crankshaft oil gallery from another orbiting scroll bearing
US-2017191479-A1 · Jul 6, 2017 · US
Scroll compressor with pressurized oil balance piston
US-9657737-B2 · May 23, 2017 · US
Double-ended scroll compressor lubrication of one orbiting scroll bearing via crankshaft oil gallery from another orbiting scroll bearing
US-9598960-B2 · Mar 21, 2017 · US
Scroll compressor with pressurized oil balance piston
US-2015037192-A1 · Feb 5, 2015 · US
Double-ended scroll compressor lubrication of one orbiting scroll bearing via crankshaft oil gallery from another orbiting scroll bearing
US-2015037184-A1 · Feb 5, 2015 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Trane Int Inc | 18 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| F04C18/0215 | 18 |
| F04C23/008 | 16 |
| F25B31/026 | 6 |
| F25B2400/13 | 6 |
| F04C23/001 | 6 |