Vaporizer apparatus
Patent No. US10709173 (titled "Vaporizer apparatus") on Jul 10, 2018. The application was issued on Jul 14, 2020.
What is this patent about?
’173 is related to the field of electronic vaporization devices, specifically portable handheld vaporizers that utilize replaceable cartridges. The technology addresses the mechanical and fluidic challenges of integrating a consumable pod with a power-providing body, focusing on optimizing airflow delivery and maintaining a compact, leak-resistant form factor for aerosol generation.
The underlying idea behind ’173 is the utilization of the interface between the cartridge and the device body to form a functional component of the airflow system. Rather than relying on internal tubing or complex molded internal vents, the invention uses the structural boundary where the cartridge meets the receptacle wall to create an air inlet passage. This design simplifies the cartridge construction while ensuring that air is precisely directed toward the heating element upon inhalation.
The claims of ’173 focus on an apparatus comprising a cartridge and a body where the airflow path is partially defined by the assembly itself. Specifically, the independent claims protect a configuration where an air inlet passage is formed by a first side consisting of the exterior surface of the cartridge and a second side consisting of the internal surface of the receptacle. This passage is responsible for delivering ambient air to a heater chamber containing a resistive heating element, which then connects to the mouthpiece via an internal fluid connection.
In practice, the invention works by leveraging the tight mechanical fit of the cartridge within the body receptacle. When a user draws on the mouthpiece, the resulting pressure drop pulls air through a surface-integrated channel—a groove or depression on the cartridge's outer shell—that becomes a sealed conduit only when inserted into the device. This air then enters the heater chamber, picks up vaporized material from a saturated wick, and travels through a central cannula to the user.
This approach differs from prior solutions that typically used dedicated internal chimneys or holes drilled through the cartridge casing, which are prone to clogging or manufacturing inconsistencies. By using the receptacle wall as a structural part of the air intake, the device achieves a slimmer profile and more consistent draw resistance. Furthermore, the integration of the airflow inlet at the junction of the two components allows for a more robust mechanical seal that protects the internal electronics from leaked fluid.
How does this patent fit in bigger picture?
Technical Landscape
In the early 2010s when ’173 was filed, electronic vaporization technology was typically implemented using cylindrical form factors that mimicked traditional cigarettes, often relying on threaded mechanical connections between a battery and a disposable cartomizer. At a time when these systems commonly relied on opaque, closed-tank architectures, hardware constraints made it non-trivial for users to monitor fluid levels or ensure stable electrical connectivity when the device was held solely by the mouthpiece. Furthermore, standard engineering practices of this era often resulted in high-temperature vapor delivery, as the proximity of the heating element to the user's mouth lacked integrated thermal regulation or cooling mechanisms within the airflow path.
Prosecution Position
The disclosed invention represents a technical advancement through an architectural shift from cylindrical to flattened, non-circular geometries that improve device stability and prevent rolling. Novelty is driven by the integration of a transparent storage compartment with an opaque mouthpiece featuring a specific notch or window, which enables the dual technical effects of visual fluid monitoring and the formation of an air inlet when mated with the vaporizer body. The structural solution further utilizes a central cannula submerged within the vaporizable liquid to act as a heat exchanger, effectively cooling the vapor before inhalation. Additionally, the transition from threaded interfaces to a snap-fit or magnetic coupling with lateral locking gaps overcomes the constraint of electrical instability caused by mechanical leverage at the mouthpiece.
Claims
This patent contains 30 claims, with claims 1 and 20 serving as the independent claims. The independent claims focus on a vaporization apparatus comprising a cartridge and a body, specifically detailing an airflow path formed by the interface between the exterior surface of the cartridge and the internal surface of the receptacle when the two components are coupled. The dependent claims serve to further define the physical dimensions and geometry of the device, the mechanical coupling features between the mouthpiece and storage compartment, the electrical contact configurations, and the specific materials used for the wick and vaporizable substance.
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US10709173
- Application Number
- US16032009A
- Filing Date
- Jul 10, 2018
- Publication Date
- Jul 14, 2020
- External Links
- Slate, USPTO , Google Patents