About 2 Trademarks found that are owned by Renewell Energy Inc.

Storage of energy via sealed, repurposed oil well that features a regenerative winch that converts mechanical energy of a large mass inside the well into electrical energy; Storage of energy via an apparatus for converting mechanical energy to electrical energy; Storage of energy via an apparatus that converts depleted oil and gas wells to gravity wells

Storage of energy via sealed, repurposed oil well that features a regenerative winch that converts mechanical energy of a large mass inside the well into electrical energy; Storage of energy via an apparatus for converting mechanical energy to electrical energy; Storage of energy via an apparatus that converts depleted oil and gas wells to gravity wells