David M. BRANTZEG

Person

  • Cambridge, MA, US

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    PUMPED HEAT ELECTRIC STORAGE SYSTEM

    • Publication number 20220389839
    • Publication date Dec 8, 2022
    • Malta Inc.
    • Benjamin R. Bollinger
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES