Inventor · disambiguated record
Eckhard Achim Groll
Also filed as: GROLL ECKHARD · GROLL ECKHARD A · GROLL ECKHARD ACHIM
9 granted patents·1 pending application·60 citations·filing 2006–2024
82Inventor score
Top patents by PatentIndex Score
10 records- 0191US7401475B2Thermodynamic systems operating with near-isothermal compression and expansion cyclesPURDUE RESEARCH FOUNDATION·Filed 2006·Granted Jul 22, 2008·39 cites·20 claims
- 0287US11821668B2Systems and methods for implementing ejector refrigeration cycles with cascaded evaporation stagesBECHTEL ENERGY TECH & SOLUTIONS INC·Filed 2022·Granted Nov 21, 2023·1 cites·7 claims
- 0386US11561027B2Systems and methods for implementing ejector refrigeration cycles with cascaded evaporation stagesBECHTEL ENERGY TECH & SOLUTIONS INC·Filed 2020·Granted Jan 24, 2023·2 cites·17 claims
- 0485US8667797B2Organic rankine cycle with flooded expansion and internal regenerationWOODLAND BRANDON JAY·Filed 2011·Granted Mar 11, 2014·18 cites·17 claims
- 0573US2025116441A1Smart accumulator with oil circulation ratio sensingPURDUE RESEARCH FOUNDATION·Filed 2024·Application pending·0 cites
- 0668US12173941B2Smart accumulator with oil circulation ratio sensingPURDUE RESEARCH FOUNDATION·Filed 2022·Granted Dec 24, 2024·0 cites·15 claims
- 0755US11821663B2In-situ oil circulation ratio measurement system for vapor compression cycle systemsPURDUE RESEARCH FOUNDATION·Filed 2021·Granted Nov 21, 2023·0 cites·17 claims
- 0846US11644224B2Portable automatic refrigerant charging device and methodPURDUE RESEARCH FOUNDATION·Filed 2020·Granted May 9, 2023·0 cites·11 claims
- 0946US11609027B2Control method for vapor compression cyclePURDUE RESEARCH FOUNDATION·Filed 2020·Granted Mar 21, 2023·0 cites·5 claims
- 1044US11466902B2Vapor compression refrigeration systemPURDUE RESEARCH FOUNDATION·Filed 2020·Granted Oct 11, 2022·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →