US 12,109,355 B2
Cartridges for vaporizer devices
Christopher James Rosser, Cambridge (GB); and Simon J. Smith, Hertford (GB)
Assigned to JUUL Labs, Inc., Washington, DC (US)
Filed by JUUL Labs, Inc., San Francisco, CA (US)
Filed on Oct. 7, 2022, as Appl. No. 17/961,723.
Application 17/961,723 is a continuation of application No. 16/674,476, filed on Nov. 5, 2019, granted, now 11,464,921.
Claims priority of provisional application 62/755,886, filed on Nov. 5, 2018.
Prior Publication US 2023/0105275 A1, Apr. 6, 2023
Int. Cl. A61M 11/00 (2006.01); A24F 40/10 (2020.01); A24F 40/42 (2020.01); A61M 11/04 (2006.01)
CPC A61M 11/042 (2014.02) 13 Claims
OG exemplary drawing
 
1. A cartridge for a vaporizer device, the cartridge comprising:
a reservoir housing having a storage chamber configured to hold a first fraction of a liquid vaporizable material and a dispensing chamber configured to hold a second fraction of the liquid vaporizable material, the dispensing chamber comprising a heating element disposed therein and at least one dispense opening, the heating element configured to selectively evaporate a portion of the second fraction of the liquid vaporizable material into at least one pocket or bubble of vaporized material within the dispensing chamber; and
a vaporization chamber in fluid communication with the dispensing chamber through the at least one dispensing opening, the vaporization chamber configured to receive the vaporized material generated within the dispensing chamber and dispensed through the at least one dispense opening and further configured to allow the vaporized material to be withdrawn therefrom;
wherein the at least one dispense opening is configured to prevent passage of the vaporizable material therethrough when an internal pressure of the reservoir housing is substantially equal to ambient pressure outside of the reservoir housing.