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Class Information
Number: 128/206.16
Name: Surgery > Respiratory method or device > Means for removing substance from respiratory gas > Particulate filtering > Face mask covering a breathing passage > With frame, shaping means, reinforcement, or filter formed of wire
Description: Subject matter including wire used as a filter (e.g., wire mesh through which air passes before it is inhaled, etc.) or as a frame, shaping means, or reinforcement for the face mask.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7334579 |
Low resistance to flow filter |
Feb. 26, 2008 |
| 7263996 |
Anion emission and anti-dust nose mask |
Sep. 4, 2007 |
| 7086401 |
Respiratory mask with inserted spacer |
Aug. 8, 2006 |
| 6968844 |
Mask cover |
Nov. 29, 2005 |
| 6923182 |
Crush resistant filtering face mask |
Aug. 2, 2005 |
| 6783566 |
Combination filter/cartridge assembly |
Aug. 31, 2004 |
| 6736138 |
Seamless pad-type filter |
May. 18, 2004 |
| 6729332 |
Retention assembly with compression element and method of use |
May. 4, 2004 |
| 6712072 |
Respirator mask |
Mar. 30, 2004 |
| 6662803 |
Nasal mask |
Dec. 16, 2003 |
| 6394090 |
Flat-folded personal respiratory protection devices and processes for preparing same |
May. 28, 2002 |
| 6371116 |
Method and apparatus for pressurizing a protective hood enclosure with exhaled air |
Apr. 16, 2002 |
| 6363934 |
Respirator filter protective cover |
Apr. 2, 2002 |
| 6345620 |
Flexible respirator filter |
Feb. 12, 2002 |
| 6161540 |
Respirator filter having a pleated filter layer |
Dec. 19, 2000 |
| 6116235 |
Vapor retention assembly |
Sep. 12, 2000 |
| 6055983 |
Respirator filtration device |
May. 2, 2000 |
| 6041782 |
Respiratory mask having comfortable inner cover web |
Mar. 28, 2000 |
| 6016804 |
Respiratory mask and method of making thereof |
Jan. 25, 2000 |
| 5992414 |
Respirator filter |
Nov. 30, 1999 |
| 5909732 |
Insert to provide conformal support for the reflective seal of an oxygen mask |
Jun. 8, 1999 |
| 5794617 |
Face mask and retainer |
Aug. 18, 1998 |
| 5763078 |
Filter having corrugated nonwoven webs of polymeric microfiber |
Jun. 9, 1998 |
| 5727544 |
Mask maintaining warmth in nasal area |
Mar. 17, 1998 |
| 5701892 |
Multipurpose face mask that maintains an airspace between the mask and the wearer's face |
Dec. 30, 1997 |
| 5592937 |
Respirator mask with stiffening elements |
Jan. 14, 1997 |
| 5558089 |
Respirator nose clip |
Sep. 24, 1996 |
| 5503141 |
Microphone mounting structure for a sound amplifying respirator |
Apr. 2, 1996 |
| 5374458 |
Molded, multiple-layer face mask |
Dec. 20, 1994 |
| 5307796 |
Methods of forming fibrous filtration face masks |
May. 3, 1994 |
| 5154168 |
Respirator mask |
Oct. 13, 1992 |
| 5086768 |
Respiratory protective device |
Feb. 11, 1992 |
| 5038775 |
Plastic scrim |
Aug. 13, 1991 |
| 5036844 |
Cover assembly and pre-filter for a respirator |
Aug. 6, 1991 |
| 5025506 |
One piece mask body having vertically stitched nose accomodating portion |
Jun. 25, 1991 |
| 5016625 |
Full head respirator |
May. 21, 1991 |
| 4915099 |
Moulded speech transmitter |
Apr. 10, 1990 |
| 4856509 |
Face mask and method |
Aug. 15, 1989 |
| 4850347 |
Face mask |
Jul. 25, 1989 |
| 4827924 |
High efficiency respirator |
May. 9, 1989 |
| 4807619 |
Resilient shape-retaining fibrous filtration face mask |
Feb. 28, 1989 |
| 4798676 |
Low pressure drop bacterial filter and method |
Jan. 17, 1989 |
| 4784131 |
Pollen protection device |
Nov. 15, 1988 |
| 4657010 |
Adjustable face mask |
Apr. 14, 1987 |
| 4465066 |
Surgical drape support |
Aug. 14, 1984 |
| 4454881 |
Multi-layer face mask with molded edge bead |
Jun. 19, 1984 |
| 4419994 |
Respirators |
Dec. 13, 1983 |
| 4417575 |
Respirators |
Nov. 29, 1983 |
| 4361146 |
Filtering respirator |
Nov. 30, 1982 |
| D262322 |
Nasal cannula mouth mask |
Dec. 15, 1981 |
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