June 6th , 2023 : an energy reservoir, the missing aspect of previously attempted adiabatic computational systems. Oscillator for adiabatic computational circuitry (US11671054) Granted Patent | Granted on: 2023-06-06 The adiabatic oscillator system stores enough energy to drive many individual adiabatic computational logic elements, permitting implementation of complex logic circuits. https://patents.google.com/patent/US20230114017A1/en?q=(%22OSCILLATOR+FOR+ADIABATIC+CO[…]&oq=+%22OSCILLATOR+FOR+ADIABATIC+COMPUTATIONAL+CIRCUITRY%22