Inventor
LEON DUQUE ESTEBAN
US45 patents
⚠️ This page may combine multiple inventors who share the name “LEON DUQUE ESTEBAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JUUL LABS INC
33 patentsUS10517331B2Dec 31, 2019
On-demand, portable convection vaporizer
JUUL LABS INC35 citations97
US11660403B2May 30, 2023
Leak-resistant vaporizer device
JUUL LABS INC9 citations94
USD943159SFeb 8, 2022
Component for a vaporizer cartridge
JUUL LABS INC15 citations94
US10512282B2Dec 24, 2019
Calibrated dose control
JUUL LABS INC30 citations92
US11369756B2Jun 28, 2022
Leak-resistant vaporizer device
JUUL LABS INC4 citations84
US11369757B2Jun 28, 2022
Leak-resistant vaporizer device
JUUL LABS INC3 citations84
US11253001B2Feb 22, 2022
Vaporizer device with vaporizer cartridge
JUUL LABS INC12 citations84
US11129414B2Sep 28, 2021
Thermal wick for electronic vaporizers
JUUL LABS INC8 citations84
US10905835B2Feb 2, 2021
Heating element
JUUL LABS INC10 citations84
US10905167B2Feb 2, 2021
On-demand, portable convection vaporizer
JUUL LABS INC6 citations84
US11730199B2Aug 22, 2023
Cartridges for vaporizer devices
JUUL LABS INC4 citations75
US11241044B2Feb 8, 2022
Airflow management for vaporizer device
JUUL LABS INC6 citations74
USD1049480SOct 29, 2024
Vaporizer cartridge
JUUL LABS INC1 citations73
USD1012358SJan 23, 2024
Vaporizer cartridge
JUUL LABS INC2 citations73
US11857718B2Jan 2, 2024
On-demand, portable convection vaporizer
JUUL LABS INC1 citations73
US11766527B2Sep 26, 2023
Leak-resistant vaporizer device
JUUL LABS INC2 citations73
US11565057B2Jan 31, 2023
Calibrated dose control
JUUL LABS INC3 citations73
US11369755B2Jun 28, 2022
Leak-resistant vaporizer device
JUUL LABS INC2 citations73
US11278058B2Mar 22, 2022
Wick for vaporizer device
JUUL LABS INC4 citations73
USD1045207SOct 1, 2024
Component for a vaporizer cartridge
JUUL LABS INC1 citations72
USD970805SNov 22, 2022
Component for a vaporizer cartridge
JUUL LABS INC3 citations72
US12543791B2Feb 10, 2026
Cartridges for vaporizer devices
JUUL LABS INC0 citations63
US12491326B2Dec 9, 2025
On-demand, portable convection vaporizer
JUUL LABS INC0 citations62
US12420035B2Sep 23, 2025
Atomizer assembly for a vaporizer device
JUUL LABS INC0 citations62
US12232539B2Feb 25, 2025
Calibrated dose control
JUUL LABS INC0 citations62
US11986590B2May 21, 2024
Vaporizer wicking elements including a hollow core
JUUL LABS INC0 citations62
US11911557B2Feb 27, 2024
Heating element
JUUL LABS INC0 citations62
US11759580B2Sep 19, 2023
Leak-resistant vaporizer device
JUUL LABS INC0 citations62
USD1109922SJan 20, 2026
Component for a vaporizer cartridge
JUUL LABS INC0 citations60
US12402654B2Sep 2, 2025
Vaporizer device and cartridge
JUUL LABS INC0 citations54
US12256784B2Mar 25, 2025
Cartridge for a vaporizer device
JUUL LABS INC0 citations51
US12053024B2Aug 6, 2024
Cartridges for vaporizer devices
JUUL LABS INC0 citations50
US12082618B2Sep 10, 2024
Cartridges for vaporizer devices
JUUL LABS INC0 citations47
PAX LABS INC
12 patentsUSD870368SDec 17, 2019
Vaporizer cartridge
PAX LABS INC65 citations99
USD929036SAug 24, 2021
Vaporizer cartridge and device assembly
PAX LABS INC43 citations98
USD913583SMar 16, 2021
Vaporizer device
PAX LABS INC57 citations98
USD893096SAug 11, 2020
Vaporizer cartridge
PAX LABS INC38 citations98
USD927061SAug 3, 2021
Vaporizer cartridge
PAX LABS INC16 citations94
USD870959SDec 24, 2019
Vaporizer device
PAX LABS INC43 citations94
USD979132SFeb 21, 2023
Vaporizer cartridge
PAX LABS INC4 citations86
USD1095944SSep 30, 2025
Vaporizer cartridge device assembly
PAX LABS INC0 citations63
USD1090973SAug 26, 2025
Vaporizer cartridge
PAX LABS INC0 citations63
US12311099B2May 27, 2025
Leak-resistant vaporizer device
PAX LABS INC0 citations62
US12226567B2Feb 18, 2025
Leak-resistant vaporizer device
PAX LABS INC0 citations62
US12023434B2Jul 2, 2024
Leak-resistant vaporizer device
PAX LABS INC0 citations62