USRE24549E
(en)
*
|
|
1958-10-14 |
|
Haliczer |
US2053896A
(en)
*
|
1934-05-09 |
1936-09-08 |
Harvey S Cover |
Respirator
|
US2065775A
(en)
*
|
1935-04-04 |
1936-12-29 |
Pulmosan Safety Equipment Corp |
Respirator
|
US2130555A
(en)
*
|
1936-04-06 |
1938-09-20 |
Malcom Robert |
Respirator filter
|
US2376871A
(en)
*
|
1941-05-24 |
1945-05-29 |
Fink Rudolph |
Respirator mask
|
US2382364A
(en)
*
|
1941-12-13 |
1945-08-14 |
Mine Safety Appliances Co |
Facepiece
|
US2378929A
(en)
*
|
1942-06-29 |
1945-06-26 |
American Optical Corp |
Respirator
|
US2578007A
(en)
*
|
1947-12-04 |
1951-12-11 |
John D Hill |
Respirator
|
US2706983A
(en)
*
|
1951-09-15 |
1955-04-26 |
Willson Products Inc |
Flexible construction in respirator mask facepiece
|
US2830584A
(en)
*
|
1952-12-15 |
1958-04-15 |
Dragerwerk Fa |
Respirator
|
US2823671A
(en)
*
|
1954-03-29 |
1958-02-18 |
Pulmosan Safety Equipment Corp |
Respirator
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US2858828A
(en)
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1954-05-18 |
1958-11-04 |
Electric Storage Battery Co |
Respirator
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US2874693A
(en)
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1955-01-14 |
1959-02-24 |
Electric Storage Battery Co |
Respirator
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US2895472A
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*
|
1956-01-05 |
1959-07-21 |
Electric Storage Battery Co |
Respirator
|
US2999498A
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*
|
1957-05-07 |
1961-09-12 |
Electric Storage Battery Co |
Respirator
|
US3029812A
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*
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1958-03-03 |
1962-04-17 |
Welsh Mfg Co |
Respirator
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*
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1958-03-31 |
1960-12-13 |
Welsh Mfg Co |
Cover for respirator
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US2893387A
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*
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1958-04-23 |
1959-07-07 |
Electric Storage Battery Co |
Respirator
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(en)
*
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1958-10-20 |
1959-12-01 |
Welsh Mfg Co |
Detachable strap connection to a respirator
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US3037501A
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*
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1959-02-02 |
1962-06-05 |
Scott Aviation Corp |
Quick-donning breathing mask
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US3220409A
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*
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1961-03-28 |
1965-11-30 |
Johnson & Johnson |
Face mask
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*
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1979-09-10 |
1981-02-03 |
American Cyanamid Company |
Disposable dust respirator
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USD267985S
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*
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1980-09-24 |
1983-02-15 |
Moldex/Metric Products, Inc. |
Disposable face mask
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USD294410S
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*
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1985-04-09 |
1988-02-23 |
Siebe North, Inc. |
Valve assembly for a respirator
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USD303585S
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*
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1986-10-17 |
1989-09-19 |
American Cyanamid Company |
Respirator facepiece
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US4739755A
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*
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1986-10-17 |
1988-04-26 |
American Cyanamid Company |
Respirator
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USD339658S
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1991-05-02 |
1993-09-21 |
Air-Ace Oy |
Respirator
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DE4138172C2
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*
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1991-11-21 |
1994-06-09 |
Draegerwerk Ag |
Half mask
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DE29700093U1
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1997-01-04 |
1997-03-27 |
Eckermann, Lutz, Dr., 53121 Bonn |
Ventilation mask for artificial ventilation of a patient
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ES2425573T3
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2000-02-25 |
2013-10-16 |
Resmed R&D Germany Gmbh |
Sealing lip device for a breathing mask
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US6474336B1
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2000-03-20 |
2002-11-05 |
Michael Wolfe |
Mini pleated face mask
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USD464726S1
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2001-01-22 |
2002-10-22 |
Michael Wolfe |
Face mask
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USD471627S1
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2001-06-25 |
2003-03-11 |
3M Innovative Properties Company |
Respirator facemask assembly
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US7121279B2
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2002-01-08 |
2006-10-17 |
Dennis Carnell K |
Respiratory mask
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2002-01-08 |
2005-02-08 |
Carnell K. Dennis |
Respiratory mask
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WO2004071565A1
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2003-02-12 |
2004-08-26 |
Fisher & Paykel Healthcare Limited |
Patient interface
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WO2005028011A2
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2003-09-18 |
2005-03-31 |
Dvm Pharmaceuticals, Inc. |
Drug delivery mask for animals
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2003-12-18 |
2006-05-02 |
Alpha Pro Tech Inc. |
Filter mask
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2004-04-02 |
2012-11-29 |
Intersurgical Ag |
Improvements related to respiratory masks
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USD519208S1
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2004-05-26 |
2006-04-18 |
Michael Wolfe |
Mini pleated face mask with visor
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DE102004030067B3
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2004-06-23 |
2005-06-23 |
Drägerwerk AG |
Continuous positive airway pressure mask fits around mouth and nose and has seal which fits against face, part of which has positive spring characteristics while other has negative characteristics
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2005-01-12 |
2012-09-11 |
Resmed Limited |
Reinforcing member for a patient interface
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USD630315S1
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2006-03-30 |
2011-01-04 |
Masters John A |
Filter face mask
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2007-09-20 |
2018-03-06 |
3M Innovative Properties Co |
"Filtering facepiece respirator and method for manufacturing a filtering facepiece respirator"
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2007-09-20 |
2015-12-23 |
쓰리엠 이노베이티브 프로퍼티즈 컴파니 |
Filtering face-piece respirator that has expandable mask body
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AU2008302682B2
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2007-09-20 |
2011-01-27 |
3M Innovative Properties Company |
Respirator having dynamic support structure and pleated filtering structure
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KR20100071076A
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2007-09-20 |
2010-06-28 |
쓰리엠 이노베이티브 프로퍼티즈 컴파니 |
Filtering face-piece respirator having a frame for supporting the exhalation valve
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2009-06-24 |
2020-08-26 |
ResMed Pty Ltd |
Adjustable mask system and related methods
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USD659822S1
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2009-09-24 |
2012-05-15 |
Koninklijke Philips Electronics N.V. |
Cushion in face mask assembly
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USD659823S1
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2009-09-24 |
2012-05-15 |
Koninklijke Philips Electronics N.V. |
Face mask assembly
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2010-08-09 |
2018-02-21 |
Koninklijke Philips N.V. |
Patient interface device including a dynamic self adjustment mechanism
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2010-09-09 |
2012-03-15 |
Moldex-Metric, Inc. |
Pleated filtering face piece respirator
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USD680215S1
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2010-10-03 |
2013-04-16 |
Cecil E. Campbell |
Air filtration mask
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DK3117861T3
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2011-04-15 |
2021-06-21 |
Fisher & Paykel Healthcare Ltd |
INTERFACE INCLUDING A ROLLING NOSE
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GB2490507C
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2011-05-03 |
2020-08-12 |
Intersurgical Ag |
Respiratory mask
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USD720846S1
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2011-05-12 |
2015-01-06 |
Intersurgical Ag |
Breathing mask
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USD685085S1
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2011-06-17 |
2013-06-25 |
Israel Amirav |
Mask for administration of inhaled medication
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USD686725S1
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2011-06-17 |
2013-07-23 |
Nostrum Technology Llc |
Mask for administration of inhaled medication
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USD700317S1
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2011-10-06 |
2014-02-25 |
Moldex-Metric, Inc. |
Pleated respirator mask
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USD677779S1
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2011-10-06 |
2013-03-12 |
Moldex-Metric, Inc. |
Pleated respirator mask
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2011-10-20 |
2014-10-02 |
Koninklijke Philips N.V. |
Patient interface device including a modular hub interface
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2011-11-03 |
2014-10-23 |
Koninklijke Philips N.V. |
Patient interface having headgear post for clip or strap
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2011-11-07 |
2017-06-27 |
Koninklijke Philips N.V. |
Patient interface with snap-fit connector
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2011-11-10 |
2012-12-13 |
Philips Electronics Ltd |
Cushion for a patient interface assembly
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AU342788S
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2011-11-10 |
2012-05-31 |
Koninl Philips Electronics Nv |
Patient interface assembly
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USD717942S1
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2012-10-03 |
2014-11-18 |
Koninklijke Philips N.V. |
Patient interface assembly
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USD717945S1
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2012-10-03 |
2014-11-18 |
Koninklijke Philips N.V. |
Cushion for a patient interface assembly
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USD776258S1
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2013-09-24 |
2017-01-10 |
3M Innovative Properties Company |
Respirator with face seal multiple flexing region
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USD740932S1
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2013-09-24 |
2015-10-13 |
3M Innovative Properties Company |
Respirator with raised face seal flexing region
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