US Patent 11142353 Automated batch filling apparatus

An automated batch filling apparatus comprising a first base comprising a first plurality of metering holes, a trough slidably disposed on an upper surface of the first base, one or more guides configured to constrain a motion of the trough, a gate disposed on a bottom surface of the first base, wherein the gate comprises a second plurality of metering holes, a second base disposed below the gate, wherein the second base comprise a third plurality of metering hole, and one or more vibration devices, wherein the one or more vibration devices are configured to agitate the filling apparatus.