


| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| US29/175,422USD493219S1 (en) | 2002-01-18 | 2003-02-04 | Earplug | 
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| US29/154,252USD651302S1 (en) | 2002-01-18 | 2002-01-18 | Earplug | 
| US29/175,422USD493219S1 (en) | 2002-01-18 | 2003-02-04 | Earplug | 
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| US29/154,252DivisionUSD651302S1 (en) | 2002-01-18 | 2002-01-18 | Earplug | 
| Publication Number | Publication Date | 
|---|---|
| USD493219S1true USD493219S1 (en) | 2004-07-20 | 
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| US29/154,252ActiveUSD651302S1 (en) | 2002-01-18 | 2002-01-18 | Earplug | 
| US29/175,420Expired - LifetimeUSD492765S1 (en) | 2002-01-18 | 2003-02-04 | Earplug | 
| US29/175,422Expired - LifetimeUSD493219S1 (en) | 2002-01-18 | 2003-02-04 | Earplug | 
| US29/175,421Expired - LifetimeUSD492766S1 (en) | 2002-01-18 | 2003-02-04 | Earplug | 
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| US29/154,252ActiveUSD651302S1 (en) | 2002-01-18 | 2002-01-18 | Earplug | 
| US29/175,420Expired - LifetimeUSD492765S1 (en) | 2002-01-18 | 2003-02-04 | Earplug | 
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| US29/175,421Expired - LifetimeUSD492766S1 (en) | 2002-01-18 | 2003-02-04 | Earplug | 
| Country | Link | 
|---|---|
| US (4) | USD651302S1 (en) | 
| AU (1) | AU156902S (en) | 
| CA (1) | CA103871S (en) | 
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| US20060088176A1 (en)* | 2004-10-22 | 2006-04-27 | Werner Alan J Jr | Method and apparatus for intelligent acoustic signal processing in accordance wtih a user preference | 
| US20060102418A1 (en)* | 2004-11-12 | 2006-05-18 | Moldex-Metric, Inc. | Earplug | 
| USD536089S1 (en)* | 2004-10-21 | 2007-01-30 | Moldex-Metric, Inc. | Earplug | 
| USD539415S1 (en)* | 2005-05-23 | 2007-03-27 | Howard Leight Industries, Llc | Flange earplug | 
| US20070284182A1 (en)* | 2006-06-12 | 2007-12-13 | Chia-Chun Mu | Waterproof earplug with sound-transmitting effect | 
| USD560792S1 (en)* | 2004-02-20 | 2008-01-29 | Cabot Safety Intermediate Corporation | Flanged earplug | 
| US20080044040A1 (en)* | 2004-10-22 | 2008-02-21 | Werner Alan J Jr | Method and apparatus for intelligent acoustic signal processing in accordance with a user preference | 
| USD578638S1 (en)* | 2005-11-09 | 2008-10-14 | Cabot Safety Intermediate Corporation | Earplug | 
| USD604409S1 (en)* | 2008-03-10 | 2009-11-17 | Tasco Corporation | Ear plug | 
| USD651302S1 (en)* | 2002-01-18 | 2011-12-27 | 3M Innovative Properties Company | Earplug | 
| USD757925S1 (en) | 2014-05-20 | 2016-05-31 | 3M Innovative Properties Company | Earplug tip | 
| USD759802S1 (en) | 2014-05-20 | 2016-06-21 | 3M Innovative Properties Company | Earplug tip | 
| USD798434S1 (en) | 2014-05-20 | 2017-09-26 | 3M Innovative Properties Company | Earplug | 
| USD798435S1 (en) | 2014-05-20 | 2017-09-26 | 3M Innovative Properties Company | Earplug | 
| US10660797B2 (en) | 2014-05-20 | 2020-05-26 | 3M Innovative Properties Company | Push-to-fit earplug having an array of cavities | 
| USD931437S1 (en) | 2020-09-05 | 2021-09-21 | Shenzhen Yunde Technology Co., Ltd. | Double layer soundproof earplug | 
| USD950526S1 (en)* | 2019-09-20 | 2022-05-03 | Apple Inc. | Earbud | 
| USD974542S1 (en) | 2021-08-19 | 2023-01-03 | Shenzhen Apwill Electronic Co., Ltd. | Earplug | 
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| USD521637S1 (en)* | 2005-03-22 | 2006-05-23 | All-Logic Int. Co., Ltd. | Ear plug | 
| CN102596131B (en)* | 2009-06-03 | 2014-07-09 | 斯博瑞安听觉保护有限责任公司 | Non-Rubbing Foam Earpieces | 
| USD636484S1 (en) | 2009-10-22 | 2011-04-19 | Sperian Hearing Protection, Llc | Earplug | 
| USD717938S1 (en)* | 2013-02-25 | 2014-11-18 | Syzygy Memory Plastics | Earplug | 
| USD745135S1 (en)* | 2014-05-29 | 2015-12-08 | Bumble BE Holdings, LLC | Earplug | 
| USD739518S1 (en)* | 2014-05-29 | 2015-09-22 | Bumble BE Holdings, LLC | Earplug | 
| USD739520S1 (en)* | 2014-07-15 | 2015-09-22 | sBumble BE Holdings, LLC | Earplug | 
| USD768860S1 (en)* | 2015-07-08 | 2016-10-11 | Gibson Innovations Belgium Nv | Tree form ear tip | 
| USD760905S1 (en)* | 2015-07-08 | 2016-07-05 | Gibson Innovations Belgium Nv | Mushroom form ear tip | 
| USD846124S1 (en)* | 2017-04-18 | 2019-04-16 | Sonova Ag | Hearing aid | 
| CN111031975B (en) | 2017-09-01 | 2022-04-12 | 3M创新有限公司 | Push-fit ear tips with end cavity | 
| USD895901S1 (en) | 2017-09-01 | 2020-09-08 | 3M Innovative Properties Company | Hearing protector | 
| USD851770S1 (en)* | 2018-01-23 | 2019-06-18 | Gn Hearing A/S | Hearing aid | 
| USD852363S1 (en)* | 2018-01-23 | 2019-06-25 | Gn Hearing A/S | Hearing aid | 
| KR20210011940A (en) | 2018-05-23 | 2021-02-02 | 크로노테크 (피티와이) 리미티드 | Earplugs with cord | 
| USD966494S1 (en)* | 2019-08-21 | 2022-10-11 | Chronotech (Pty) Ltd | Earplug set | 
| USD941459S1 (en)* | 2020-07-23 | 2022-01-18 | Otto Engineering, Inc. | Ear tip | 
| USD932002S1 (en) | 2020-09-05 | 2021-09-28 | Shenzhen Yunde Technology Co., Ltd. | Triple layer industrial earplug | 
| USD939686S1 (en) | 2020-09-27 | 2021-12-28 | Shenzhen Weiben Technology Co., Ltd. | Sleep earplug | 
| USD939687S1 (en) | 2020-11-05 | 2021-12-28 | Shenzhen Aipu Weier Electronic Co., Ltd. | Earplug | 
| USD955549S1 (en) | 2021-04-26 | 2022-06-21 | Shenzhen Aipu Weier Electronic Co., Ltd. | Earplug | 
| USD968372S1 (en)* | 2021-05-24 | 2022-11-01 | Shenzhen Taipuda Technology Co., Ltd. | Earphone | 
| USD968362S1 (en)* | 2021-08-19 | 2022-11-01 | Shenzhen Apwill Electronic Co., Ltd. | Earphone | 
| USD1032359S1 (en)* | 2021-12-20 | 2024-06-25 | Travis Honda | Packaging plug | 
| USD966230S1 (en)* | 2022-01-14 | 2022-10-11 | Ting Ye | Wireless earphone | 
| USD975676S1 (en)* | 2022-03-08 | 2023-01-17 | Baolian Guo | Wireless earphone | 
| USD991438S1 (en)* | 2023-04-19 | 2023-07-04 | Tieze Liang | Ear plug | 
| USD1003423S1 (en)* | 2023-06-02 | 2023-10-31 | Yingchao Qin | Swimming earplug | 
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| US4314553A (en) | 1979-08-08 | 1982-02-09 | Bilsom Ab | Earplug and earplug set | 
| USD298356S (en) | 1985-08-22 | 1988-11-01 | Cabot Corporation | Earplug or similar article | 
| US4867149A (en) | 1985-03-29 | 1989-09-19 | Cabot Corporation | Earplugs | 
| US5819745A (en) | 1994-08-16 | 1998-10-13 | House Ear Institute | Pressure-regulating ear plug | 
| USD402752S (en) | 1996-08-15 | 1998-12-15 | Cabot Safety Intermediate Corporation | Hearing protective device | 
| USD414260S (en) | 1997-11-10 | 1999-09-21 | Ck European Limited | Earplug | 
| USD427304S (en) | 1998-10-08 | 2000-06-27 | Moldex-Metric, Inc | Earplug | 
| USD436164S1 (en) | 1999-09-17 | 2001-01-09 | 3M Innovative Properties Company | Earplug | 
| US6286622B1 (en) | 1998-01-19 | 2001-09-11 | Simply Silence Simsin B.V. | Hearing protector | 
| USD466995S1 (en) | 2001-11-28 | 2002-12-10 | Cabot Safety Intermediate Corporation | Earplug | 
| USD472627S1 (en) | 2001-10-16 | 2003-04-01 | Cabot Safety Intermediate Corporation | Earplug | 
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| SE513688C2 (en)* | 1996-12-12 | 2000-10-23 | Dalloz Safety Ab | Earplug, method of manufacturing an integrated earplug and use of multi-material injection molding to provide such an earplug | 
| US6568394B2 (en)* | 2000-10-13 | 2003-05-27 | Cabot Safety Intermediate Corporation | Flanged earplug | 
| US8297287B2 (en)* | 2001-10-16 | 2012-10-30 | 3M Innovative Properties Company | Flanged earplug | 
| USD651302S1 (en)* | 2002-01-18 | 2011-12-27 | 3M Innovative Properties Company | Earplug | 
| AU2003239883B2 (en)* | 2002-01-25 | 2008-07-03 | 3M Innovative Properties Company | Hearing protection device | 
| USD494269S1 (en)* | 2003-05-03 | 2004-08-10 | Bacou-Dalloz Usa Safety, Inc. | Earplug with low angle flanges | 
| US7697706B2 (en)* | 2003-11-03 | 2010-04-13 | 3M Innovative Properties Company | Low sound attenuating hearing protection device | 
| USD550655S1 (en)* | 2005-11-09 | 2007-09-11 | Cabot Safety Intermediate Corporation | Earplug stem | 
| US7743771B2 (en)* | 2005-11-09 | 2010-06-29 | 3M Innovative Properties Company | Earplug with articulating stem and locking features | 
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| US4314553A (en) | 1979-08-08 | 1982-02-09 | Bilsom Ab | Earplug and earplug set | 
| US4867149A (en) | 1985-03-29 | 1989-09-19 | Cabot Corporation | Earplugs | 
| USD298356S (en) | 1985-08-22 | 1988-11-01 | Cabot Corporation | Earplug or similar article | 
| US5819745A (en) | 1994-08-16 | 1998-10-13 | House Ear Institute | Pressure-regulating ear plug | 
| USD402752S (en) | 1996-08-15 | 1998-12-15 | Cabot Safety Intermediate Corporation | Hearing protective device | 
| USD414260S (en) | 1997-11-10 | 1999-09-21 | Ck European Limited | Earplug | 
| US6286622B1 (en) | 1998-01-19 | 2001-09-11 | Simply Silence Simsin B.V. | Hearing protector | 
| USD427304S (en) | 1998-10-08 | 2000-06-27 | Moldex-Metric, Inc | Earplug | 
| USD436164S1 (en) | 1999-09-17 | 2001-01-09 | 3M Innovative Properties Company | Earplug | 
| USD472627S1 (en) | 2001-10-16 | 2003-04-01 | Cabot Safety Intermediate Corporation | Earplug | 
| USD466995S1 (en) | 2001-11-28 | 2002-12-10 | Cabot Safety Intermediate Corporation | Earplug | 
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| USD651302S1 (en)* | 2002-01-18 | 2011-12-27 | 3M Innovative Properties Company | Earplug | 
| USD560792S1 (en)* | 2004-02-20 | 2008-01-29 | Cabot Safety Intermediate Corporation | Flanged earplug | 
| USD536089S1 (en)* | 2004-10-21 | 2007-01-30 | Moldex-Metric, Inc. | Earplug | 
| US9807521B2 (en) | 2004-10-22 | 2017-10-31 | Alan J. Werner, Jr. | Method and apparatus for intelligent acoustic signal processing in accordance with a user preference | 
| US20080044040A1 (en)* | 2004-10-22 | 2008-02-21 | Werner Alan J Jr | Method and apparatus for intelligent acoustic signal processing in accordance with a user preference | 
| US20060088176A1 (en)* | 2004-10-22 | 2006-04-27 | Werner Alan J Jr | Method and apparatus for intelligent acoustic signal processing in accordance wtih a user preference | 
| US7107993B2 (en)* | 2004-11-12 | 2006-09-19 | Moldex-Metric, Inc. | Earplug | 
| US20060102418A1 (en)* | 2004-11-12 | 2006-05-18 | Moldex-Metric, Inc. | Earplug | 
| USD539415S1 (en)* | 2005-05-23 | 2007-03-27 | Howard Leight Industries, Llc | Flange earplug | 
| USD578638S1 (en)* | 2005-11-09 | 2008-10-14 | Cabot Safety Intermediate Corporation | Earplug | 
| US20070284182A1 (en)* | 2006-06-12 | 2007-12-13 | Chia-Chun Mu | Waterproof earplug with sound-transmitting effect | 
| USD604409S1 (en)* | 2008-03-10 | 2009-11-17 | Tasco Corporation | Ear plug | 
| USD759802S1 (en) | 2014-05-20 | 2016-06-21 | 3M Innovative Properties Company | Earplug tip | 
| USD798434S1 (en) | 2014-05-20 | 2017-09-26 | 3M Innovative Properties Company | Earplug | 
| USD798435S1 (en) | 2014-05-20 | 2017-09-26 | 3M Innovative Properties Company | Earplug | 
| USD757925S1 (en) | 2014-05-20 | 2016-05-31 | 3M Innovative Properties Company | Earplug tip | 
| US10660797B2 (en) | 2014-05-20 | 2020-05-26 | 3M Innovative Properties Company | Push-to-fit earplug having an array of cavities | 
| USD950526S1 (en)* | 2019-09-20 | 2022-05-03 | Apple Inc. | Earbud | 
| USD931437S1 (en) | 2020-09-05 | 2021-09-21 | Shenzhen Yunde Technology Co., Ltd. | Double layer soundproof earplug | 
| USD974542S1 (en) | 2021-08-19 | 2023-01-03 | Shenzhen Apwill Electronic Co., Ltd. | Earplug | 
| Publication number | Publication date | 
|---|---|
| CA103871S (en) | 2006-03-29 | 
| USD651302S1 (en) | 2011-12-27 | 
| USD492766S1 (en) | 2004-07-06 | 
| USD492765S1 (en) | 2004-07-06 | 
| AU156902S (en) | 2004-11-16 | 
| Publication | Publication Date | Title | 
|---|---|---|
| USD493219S1 (en) | Earplug | |
| USD481118S1 (en) | Earplug | |
| USD471404S1 (en) | Cup | |
| USD478475S1 (en) | Bowl | |
| USD448666S1 (en) | Can end | |
| USD473027S1 (en) | Sponge | |
| USD499336S1 (en) | Container | |
| USD509725S1 (en) | Balloon tie | |
| USD478173S1 (en) | Electrode | |
| USD560792S1 (en) | Flanged earplug | |
| USD521392S1 (en) | Can | |
| USD477866S1 (en) | Round tablet | |
| USD496722S1 (en) | Stemmed earplug | |
| USD534670S1 (en) | Luminous body | |
| USD525362S1 (en) | Electromedical electrode | |
| USD460883S1 (en) | Table | |
| USD478658S1 (en) | Earplug | |
| USD472423S1 (en) | Roaster | |
| USD471625S1 (en) | Earplug | |
| USD483822S1 (en) | Football | |
| USD469638S1 (en) | Table | |
| USD477004S1 (en) | Cutting insert | |
| USD492768S1 (en) | Earplug | |
| USD477050S1 (en) | Filter | |
| USD460376S1 (en) | Ornamental object |