FIG. 1 is a perspective view of the design for the filter cover of a powered air purifying respirator;
FIG. 2 is a front view of a design for the filter cover of a powered air purifying respirator;
FIG. 3 is a back view of a design for the filter cover of a powered air purifying respirator;
FIG. 4 is a bottom view of a design for the filter cover of a powered air purifying respirator;
FIG. 5 is a top view of a design for the filter cover of a powered air purifying respirator;
FIG. 6 is a right hand view of a design for the filter cover of a powered air purifying respirator; and,
FIG. 7 is a left hand view of a design for the filter cover of a powered air purifying respirator.
In the drawings, the broken lines are for the purpose of illustrating environment only and form no part of the claimed design.
Patent |
Priority |
Assignee |
Title |
2964038, |
|
|
|
5091997, |
Nov 17 1986 |
|
Protective helmet, with pivoting and locking visor mechanism, particularly for motorcyclists |
5230101, |
Sep 27 1991 |
Gentex Corporation |
Dual visor operating mechanism |
5461731, |
Jun 18 1993 |
Shei Kako Kabushiki Kaisha |
Shield plate mounting structure in helmet |
5924420, |
Sep 24 1996 |
Minnesota Mining and Manufacturing Company |
Full face respirator mask having integral connectors disposed in lens area |
6014971, |
Aug 15 1997 |
3M Innovative Properties Company |
Protective system for face and respiratory protection |
6016805, |
Mar 10 1998 |
3M Innovative Properties Company |
Face seal for respirator |
6035451, |
Mar 10 1998 |
3M Innovative Properties Company |
Protective helmet system with cam for attaching first and second face shields thereto |
6062221, |
Oct 03 1997 |
3M Innovative Properties Company |
Drop-down face mask assembly |
6081931, |
Mar 10 1998 |
3M Innovative Properties Company |
Protective helmet suspension system |
6102033, |
Mar 10 1998 |
3M Innovative Properties Company |
Attachment system for replacement helmet respirator lens |
6123077, |
Mar 08 1996 |
3M Innovative Properties Company |
Flat-folded personal respiratory protection devices and processes for preparing same |
6186140, |
Mar 14 1997 |
3M Innovative Properties Company |
Respiratory filter element having a storage device for keeping track of filter usage and a system for use therewith |
6250299, |
Aug 15 1997 |
3M Innovative Properties Company |
Protective system for face and respiratory protection |
6279572, |
Aug 15 1997 |
3M Innovative Properties Company |
Protective system for face and respiratory protection |
6298498, |
Mar 10 1998 |
3M Innovative Properties Company |
Protective helmet system |
6367085, |
Dec 21 1998 |
3M Innovative Properties Company |
Head suspension for an air supplied hood system |
6438763, |
May 29 2000 |
GALLET S A |
Protective helmet |
6575165, |
Aug 03 2000 |
3M Innovative Properties Company |
Apparatus and method for breathing apparatus component coupling |
6666209, |
Feb 20 2001 |
3M Innovative Properties Company |
Method and system of calibrating air flow in a respirator system |
6895960, |
Jan 18 2001 |
3M Innovative Properties Company |
Modular respirators and a method of conversion thereof |
7093302, |
Sep 08 2003 |
3M Innovative Properties Company |
Helmet assembly with accessory attachment features |
7197774, |
Nov 12 2004 |
3M Innovative Properties Company |
Supplied air helmet having face seal with differentiated permeability |
7594278, |
Mar 24 2006 |
Otos Tech Co., Ltd. |
Multi-function face protector |
7748381, |
Dec 09 2005 |
3M Innovative Properties Company |
Portable blower system |
7841026, |
Mar 28 2003 |
VIRTUS GROUP, LP |
Head protector |
7865968, |
Apr 18 2006 |
ERGONOMIDESIGN AB; 3M Innovative Properties Company |
Head suspension system and headgear that have an adjustable visor and method of adjusting same |
8056152, |
Apr 03 2008 |
3M Innovative Properties Company |
Pivot assembly for headgear |
8082600, |
Jun 03 2005 |
Roof International |
Protective helmet with mobile visor |
8387162, |
Dec 13 2010 |
Otos Wing Co., Ltd. |
Hinge coupling structure for welding mask, face shield and safety helmet |
8505121, |
Oct 10 2007 |
3M Innovative Properties Company |
Head suspension having transition arms and rear support |
8584265, |
Apr 18 2006 |
3M Innovative Properties Company; ERGONOMIDESIGN AB |
Head suspension system and headgear with replaceable headband bridge and method of adjusting same |
8627517, |
Oct 10 2007 |
3M Innovative Properties Company |
Head suspension headband |
8745770, |
Oct 10 2007 |
3M Innovative Properties Company |
Head suspension having transition arms and rear support |
8806662, |
Jun 27 2007 |
Otos Tech Co., Ltd. |
Welding helmet with protection cover for cartridge |
8821621, |
Apr 02 2010 |
3M Innovative Properties Company |
Filter systems including optical analyte sensors and optical readers |
8839788, |
Aug 31 2007 |
3M Innovative Properties Company |
Respirator attachment component with molded thermoset elastomeric seal |
8875318, |
Dec 13 2010 |
Otos Wing Co., Ltd. |
Head band |
8955162, |
Jul 15 2009 |
OTOS WING CO , LTD |
Welding helmet including anti-blinding device to selectively and conveniently control welding operation and grinding operation |
9066552, |
Oct 10 2007 |
3M Innovative Properties Company |
Head suspension having transition arms and rear support |
D414861, |
Sep 02 1998 |
DENTEC SAFETY SPECIALISTS CORP |
Protective cover for respirator filter |
D416649, |
Mar 10 1998 |
3M Innovative Properties Company |
Face shield with protective lens |
D452911, |
Sep 07 2000 |
Pharma Systems PS AB |
Respiratory filter |
D526413, |
Sep 28 2004 |
SMITHS MEDICAL ASD, INC |
Filter cannister |
D577816, |
Apr 13 2006 |
Moldex-Metric, Inc.; Moldex-Metric, Inc |
Pre-filter lid for use with a filter respirator mask |
D632375, |
Apr 04 2008 |
3M Innovative Properties Company |
Air blowers |
D647209, |
Jun 17 2009 |
B R A H M S Aktiengesellschaft |
Laboratory analysis apparatus |
D662672, |
Sep 29 2010 |
3M Innovative Properties Company |
Face shield holder |
D666288, |
Nov 04 2009 |
3M Innovative Properties Company |
Window in turbo unit cover |
D668326, |
Nov 04 2009 |
3M Innovative Properties Company |
Turbo unit cover |
D675789, |
Feb 25 2009 |
Lincoln Global Inc. |
Welding helmet tilt arm |
D679375, |
Oct 27 2006 |
ResMed Motor Technologies Inc |
Flexible motor sleeve |
D680641, |
Feb 15 2012 |
3M Innovative Properties Company |
Filter cover for powered air purifying respirator |
D681190, |
Feb 15 2012 |
3M Innovative Properties Company |
Filter cover for powered air purifying respirator |
D690413, |
Feb 15 2012 |
3M Innovative Properties Company |
Filter cover for powered air purifying respirator |
D728777, |
Oct 18 2013 |
Lincoln Global, Inc |
Helmet plenum |
D731123, |
Oct 18 2013 |
Lincoln Global, Inc |
Helmet plenum |
D732670, |
May 22 2014 |
3M Innovative Properties Company |
Respirator filter |
D746438, |
May 22 2014 |
3M Innovative Properties Company |
Respirator filter cover |
D760902, |
Oct 03 2014 |
COLOPLAST A S |
Tracheostomy filter |
D763437, |
Feb 27 2015 |
3M Innovative Properties Company |
Respirator cartridge body |
D774180, |
Mar 12 2015 |
TECMEN ELECTRONICS CO , LTD |
Respirator |
D779674, |
Feb 27 2015 |
3M Innovative Properties Company |
Filter element having a connector |
D782694, |
Nov 04 2014 |
CHARLES RIVER LABORATORIES, INC |
Filtration device |
D785161, |
Sep 10 2010 |
ResMed Pty Ltd |
Elbow component for respiratory mask |
D785780, |
Jul 22 2014 |
|
Respiratory filtration mask |
D786443, |
Feb 27 2015 |
3M Innovative Properties Company |
Filter element |
D791303, |
Dec 20 2012 |
Koninklijke Philips N.V. |
Nebulizer compressor |
D791329, |
Feb 19 2014 |
ResMed Pty Ltd |
Humidifier reservoir lid for positive airway pressure delivery console |