Inventor · disambiguated record
Stephen A. Hamstra
Also filed as: HAMSTRA STEPHEN · HAMSTRA STEPHEN A
5 granted patents·3 pending applications·74 citations·filing 2011–2021
77Inventor score
Top patents by PatentIndex Score
8 records- 0190US9080789B2Energy chassis and energy exchange deviceHAMSTRA STEPHEN A·Filed 2011·Granted Jul 14, 2015·65 cites·21 claims
- 0277US10180268B2Energy chassis and energy exchange deviceGREENSLEEVES LLC·Filed 2015·Granted Jan 15, 2019·3 cites·20 claims
- 0376US10387581B2System for optimization of building heating and cooling systemsGREENSLEEVES LLC·Filed 2014·Granted Aug 20, 2019·4 cites·6 claims
- 0471US11092353B2System for optimization of building heating and cooling systemsGREENSLEEVES TECH CORP·Filed 2019·Granted Aug 17, 2021·2 cites·10 claims
- 0559US2019219308A1Energy chassis and energy exchange deviceGREENSLEEVES LLC·Filed 2019·Application pending·0 cites
- 0644US11543164B2Super-hybrid heat pump system and methodMELINK SOLAR & GEO INC·Filed 2020·Granted Jan 3, 2023·0 cites·15 claims
- 0740US2016018125A1Energy management systems and methods of useGREENSLEEVES LLC·Filed 2014·Application pending·0 cites
- 0839US2021293439A1Air quality monitoring and control by a demand control ventilation systemMELINK SOLAR & GEO INC·Filed 2021·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →