IP Library Granted Patent US 12,389,944
Granted Patent B2
US 12,389,944 · App. 17/862,615 · Granted Aug 19, 2025

Hybrid gel-fiber wick for use in a vaporizer device

Inventors: Won C. Choi (San Francisco, CA); Namhey Lee (Hayward, CA)
Assignee: JUUL Labs, Inc.
A24F40/44A24F40/10A24F40/42A24F40/46A24F40/70H05B3/22
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Quick Facts
Patent No.
US 12,389,944
App. No.
17/862,615
Granted
Aug 19, 2025
Kind
B2
Abstract

A vaporization device includes a cartridge having a reservoir that holds a vaporizable material, a heating element, and a wicking element that can draw the vaporizable material to the heating element to be vaporized. The vaporizer cartridge is configured for coupling to a vaporizer device body and containing a vaporizable material. Various embodiments of the vaporizer cartridge are described that include one or more features for a hybrid gel-fiber wick. Related systems, methods, and articles of manufacture are also described.

Claims (20)

1. A hybrid gel-fiber wick comprising:

a plurality of fibers bundled together to form a fiber core, the fiber core having a first end portion, a second end portion, and a middle portion therebetween;

a gel coating a portion of the fiber core; and

a heating element, wherein the gel is in contact with the heating element.

2. The hybrid gel-fiber wick of claim 1 , wherein the middle portion of the fiber core is coated by the gel coating.

3. The hybrid gel-fiber wick of claim 1 , wherein at least one of the first end portion or the second end portion of the fiber core is not coated by the gel coating.

4. The hybrid gel-fiber wick of claim 1 , wherein at least a portion of the heating element is disposed between the fiber core and the gel coating.

5. The hybrid gel-fiber wick of claim 1 , wherein the heating element comprises a nichrome wire.

6. The hybrid gel-fiber wick of claim 1 , wherein the heating element is spirally wound around the fiber core.

7. The hybrid gel-fiber wick of claim 1 , wherein the fiber core comprises a cotton material.

8. The hybrid gel-fiber wick of claim 1 , wherein the fiber core comprises a silica material.

9. The hybrid gel-fiber wick of claim 1 , wherein the gel comprises a polymer.

10. The hybrid gel-fiber wick of claim 1 , wherein the gel comprises at least one of a silicon, silane, silicate, or tetraethoxysilane.

11. The hybrid gel-fiber wick of claim 1 , wherein the gel coating is 250 microns to 500 microns in thickness.

12. A cartridge comprising the hybrid gel-fiber wick of claim 1 .

13. The cartridge of claim 12 , wherein the cartridge further comprises a reservoir configured to contain a vaporizable material, and a portion of the hybrid gel-fiber wick is disposed within the reservoir.

14. The cartridge of claim 13 , wherein at least one of the first end portion or the second end portion of the fiber core are disposed within the reservoir.

15. The cartridge of claim 13 , wherein the cartridge further comprises an atomizer configured to vaporize the vaporizable material.

16. The cartridge of claim 15 , wherein the middle portion of the fiber core is disposed within the atomizer.

17. A device comprising the cartridge of claim 12 and a receptacle configured to receive the cartridge.

Assignments (7)
RELEASE OF SECURITY INTEREST Recorded Oct 17, 2024
From: ALTER DOMUS (US) LLC
To: JUUL LABS, INC.; VMR PRODUCTS LLC; ENVENIO INC.
Reel/Frame 069185/0228 →
SECURITY INTEREST Recorded Jul 11, 2023
From: JUUL LABS, INC.; VMR PRODUCTS LLC; ENVENIO INC.
To: ALTER DOMUS (US) LLC
Reel/Frame 064252/0225 →
CORRECTIVE ASSIGNMENT TO CORRECT THE THE ASSIGNEE ADDRESS PREVIOUSLY RECORDED AT REEL: 062114 FRAME: 0196. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT. Recorded Dec 23, 2022
From: JUUL LABS, INC.
To: JLI NATIONAL SETTLEMENT TRUST
Reel/Frame 062214/0142 →
SECURITY INTEREST Recorded Dec 10, 2022
From: JUUL LABS, INC.
To: JLI NATIONAL SETTLEMENT TRUST
Reel/Frame 062114/0195 →
SECURITY INTEREST Recorded Sep 30, 2022
From: JUUL LABS, INC.
To: ALTER DOMUS (US) LLC
Reel/Frame 061578/0865 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 14, 2022
From: CHOI, WON C.; LEE, NAMHEY
To: JUUL LABS, INC.
Reel/Frame 060506/0025 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 14, 2022
From: CHOI, WON C.; LEE, NAMHEY
To: JUUL LABS, INC.
Reel/Frame 060506/0587 →
Continuity (3)
Continuation PCTUS2021013194 · Jan 13, 2021
Provisional Application 62960886 · Jan 14, 2020
Related Publication 20220354173A1 · Nov 10, 2022
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