| GB8330894D0
              (en)
            
            * | 1983-11-18 | 1983-12-29 | British American Tobacco Co | Smoking-article mouthpiece elements | 
        
          | US4580584A
              (en)
            
            * | 1984-02-21 | 1986-04-08 | Brown & Williamson Tobacco Corporation | Cigarette filter | 
        
          | GB8407671D0
              (en)
            
            * | 1984-03-23 | 1984-05-02 | Brritish American Tobacco Co L | Smoking article mouth-piece elements | 
        
          | GB2160407B
              (en)
            
            * | 1984-06-22 | 1987-12-16 | British American Tobacco Co | Improvements relating to smoking article mouthpieces | 
        
          | US4582072A
              (en)
            
            * | 1984-06-25 | 1986-04-15 | Brown & Williamson Tobacco Corporation | Cigarette filter | 
        
          | GB8713904D0
              (en)
            
            * | 1987-06-15 | 1987-07-22 | Tabac Fab Reunies Sa | Filter for smoking articles | 
        
          | US5195543A
              (en)
            
            * | 1991-10-28 | 1993-03-23 | American Filtrona Corporation | Balanced flow tobacco smoke filter | 
        
          | US5392792A
              (en)
            
            * | 1993-04-13 | 1995-02-28 | R. J. Reynolds Tobacco Company | Reduced gas phase cigarette | 
        
          | GB2406780A
              (en)
            
            * | 2003-10-11 | 2005-04-13 | Martin Henry King | Mouthpiece for a hand-rolled cigarette | 
        
          | US11647783B2
              (en) | 2005-07-19 | 2023-05-16 | Juul Labs, Inc. | Devices for vaporization of a substance | 
        
          | US20160345631A1
              (en) | 2005-07-19 | 2016-12-01 | James Monsees | Portable devices for generating an inhalable vapor | 
        
          | US9675109B2
              (en)
            
            * | 2005-07-19 | 2017-06-13 | J. T. International Sa | Method and system for vaporization of a substance | 
        
          | MY177466A
              (en) | 2006-03-28 | 2020-09-16 | Philip Morris Products Sa | Smoking article with a restrictor | 
        
          | US8353298B2
              (en)
            
            * | 2006-07-12 | 2013-01-15 | Philip Morris Usa Inc. | Smoking article with impaction filter segment | 
        
          | US20080047571A1
              (en)
            
            * | 2006-07-12 | 2008-02-28 | Philip Morris Usa Inc. | Smoking article with plate impactor | 
        
          | US8424539B2
              (en)
            
            * | 2006-08-08 | 2013-04-23 | Philip Morris Usa Inc. | Smoking article with single piece restrictor and chamber | 
        
          | TW200911141A
              (en)
            
            * | 2007-03-09 | 2009-03-16 | Philip Morris Prod | Super recessed filter cigarette restrictor | 
        
          | TW200900014A
              (en)
            
            * | 2007-03-09 | 2009-01-01 | Philip Morris Prod | Smoking article filter with annular restrictor and downstream ventilation | 
        
          | TW200911138A
              (en)
            
            * | 2007-03-09 | 2009-03-16 | Philip Morris Prod | Smoking articles with restrictor and aerosol former | 
        
          | US20080216850A1
              (en)
            
            * | 2007-03-09 | 2008-09-11 | Philip Morris Usa Inc. | Restrictor attachment for unfiltered smoking article | 
        
          | US8991402B2
              (en) | 2007-12-18 | 2015-03-31 | Pax Labs, Inc. | Aerosol devices and methods for inhaling a substance and uses thereof | 
        
          | EP2253231A1
              (en)
            
            * | 2009-05-18 | 2010-11-24 | Philip Morris Products S.A. | Smoking article with improved flow restriction element | 
        
          | US8424540B2
              (en)
            
            * | 2009-10-09 | 2013-04-23 | Philip Morris Usa Inc. | Smoking article with valved restrictor | 
        
          | US9138016B2
              (en) | 2010-03-26 | 2015-09-22 | Philip Morris Usa Inc. | Smoking articles with significantly reduced gas vapor phase smoking constituents | 
        
          | GB201016387D0
              (en)
            
            * | 2010-09-29 | 2010-11-10 | Filtrona Int Ltd | Tobacco smoke filter | 
        
          | GB201104475D0
              (en)
            
            * | 2011-03-16 | 2011-04-27 | Filtrona Filter Prod Dev Co | Tobacco smoke filter | 
        
          | KR102177660B1
              (ko) | 2011-08-16 | 2020-11-12 | 쥴 랩스, 인크. | 저온 전자 증발 장치 및 방법 | 
        
          | US9854839B2
              (en) | 2012-01-31 | 2018-01-02 | Altria Client Services Llc | Electronic vaping device and method | 
        
          | EP2653045A1
              (en)
            
            * | 2012-04-20 | 2013-10-23 | Philip Morris Products S.A. | Smoking article including filter with flow restriction element and upstream ventilation | 
        
          | US10517530B2
              (en) | 2012-08-28 | 2019-12-31 | Juul Labs, Inc. | Methods and devices for delivering and monitoring of tobacco, nicotine, or other substances | 
        
          | WO2014097481A1
              (ja)
            
            * | 2012-12-21 | 2014-06-26 | 日本たばこ産業株式会社 | 喫煙物品、フィルター | 
        
          | JP5577004B2
              (ja)
            
            * | 2013-02-19 | 2014-08-20 | 和人 輿石 | タバコ用フィルター | 
        
          | US10279934B2
              (en) | 2013-03-15 | 2019-05-07 | Juul Labs, Inc. | Fillable vaporizer cartridge and method of filling | 
        
          | WO2014155567A1
              (ja)
            
            * | 2013-03-27 | 2014-10-02 | 日本たばこ産業株式会社 | フィルタシガレット及びその製造方法 | 
        
          | CN105263345A
              (zh) | 2013-05-06 | 2016-01-20 | 派克斯实验公司 | 用于气溶胶装置的烟碱盐调配物及其方法 | 
        
          | CN105473012B
              (zh) | 2013-06-14 | 2020-06-19 | 尤尔实验室有限公司 | 电子汽化设备中的具有单独的可汽化材料的多个加热元件 | 
        
          | ITBO20130640A1
              (it)
            
            * | 2013-11-25 | 2015-05-26 | Gd Spa | Elemento filtrante ed articolo da fumo comprendente tale elemento filtrante. | 
        
          | KR20240070710A
              (ko) | 2013-12-05 | 2024-05-21 | 쥴 랩스, 인크. | 에어로졸 장치를 위한 니코틴 액제 및 그 방법 | 
        
          | DE202014011260U1
              (de) | 2013-12-23 | 2018-11-13 | Juul Labs Uk Holdco Limited | Systeme für eine Verdampfungsvorrichtung | 
        
          | US9549573B2
              (en) | 2013-12-23 | 2017-01-24 | Pax Labs, Inc. | Vaporization device systems and methods | 
        
          | US10058129B2
              (en) | 2013-12-23 | 2018-08-28 | Juul Labs, Inc. | Vaporization device systems and methods | 
        
          | US10076139B2
              (en) | 2013-12-23 | 2018-09-18 | Juul Labs, Inc. | Vaporizer apparatus | 
        
          | US10159282B2
              (en) | 2013-12-23 | 2018-12-25 | Juul Labs, Inc. | Cartridge for use with a vaporizer device | 
        
          | USD825102S1
              (en) | 2016-07-28 | 2018-08-07 | Juul Labs, Inc. | Vaporizer device with cartridge | 
        
          | USD842536S1
              (en) | 2016-07-28 | 2019-03-05 | Juul Labs, Inc. | Vaporizer cartridge | 
        
          | US20160366947A1
              (en) | 2013-12-23 | 2016-12-22 | James Monsees | Vaporizer apparatus | 
        
          | WO2015175979A1
              (en) | 2014-05-16 | 2015-11-19 | Pax Labs, Inc. | Systems and methods for aerosolizing a smokeable material | 
        
          | PL3217814T3
              (pl)
            
            * | 2014-11-12 | 2020-07-27 | Jt International Sa | Sposób wytwarzania elementu filtrującego dla wyrobu do palenia | 
        
          | MX394125B
              (es) | 2014-12-05 | 2025-03-24 | Juul Labs Inc | Control de dosis calibrada | 
        
          | CO2018009342A2
              (es) | 2016-02-11 | 2018-09-20 | Juul Labs Inc | Cartuchos de fijación segura para dispositivos vaporizadores | 
        
          | EP3413960B1
              (en) | 2016-02-11 | 2021-03-31 | Juul Labs, Inc. | Fillable vaporizer cartridge and method of filling | 
        
          | US10405582B2
              (en) | 2016-03-10 | 2019-09-10 | Pax Labs, Inc. | Vaporization device with lip sensing | 
        
          | USD849996S1
              (en) | 2016-06-16 | 2019-05-28 | Pax Labs, Inc. | Vaporizer cartridge | 
        
          | USD851830S1
              (en) | 2016-06-23 | 2019-06-18 | Pax Labs, Inc. | Combined vaporizer tamp and pick tool | 
        
          | USD836541S1
              (en) | 2016-06-23 | 2018-12-25 | Pax Labs, Inc. | Charging device | 
        
          | USD848057S1
              (en) | 2016-06-23 | 2019-05-07 | Pax Labs, Inc. | Lid for a vaporizer | 
        
          | US11660403B2
              (en) | 2016-09-22 | 2023-05-30 | Juul Labs, Inc. | Leak-resistant vaporizer device | 
        
          | USD887632S1
              (en) | 2017-09-14 | 2020-06-16 | Pax Labs, Inc. | Vaporizer cartridge | 
        
          | GB201715924D0
              (en)
            
            * | 2017-09-29 | 2017-11-15 | British American Tobacco Investments Ltd | A filter unit for a smoking article |