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Class Information
Number: 128/206.24
Name: Surgery > Respiratory method or device > Face mask covering a breathing passage > Mask/face sealing structure
Description: Subject matter including structure for sealing the contact area between a mask and the user’s face.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4872465 |
Light-weight disposable protective face shield |
Oct. 10, 1989 |
| 4848330 |
Respirator system |
Jul. 18, 1989 |
| 4848366 |
Exhaust mask system and device |
Jul. 18, 1989 |
| 4848334 |
Mask |
Jul. 18, 1989 |
| 4846166 |
Non-invasive quantitative method for fit testing respirators and corresponding respirator apparatus |
Jul. 11, 1989 |
| 4832011 |
Attachment for personal protective respirator |
May. 23, 1989 |
| 4809692 |
Pediatric asthmatic medication inhaler |
Mar. 7, 1989 |
| 4803981 |
Anaesthesia mask |
Feb. 14, 1989 |
| 4799477 |
Rebreathing mask |
Jan. 24, 1989 |
| 4794921 |
Method and apparatus for administering anesthetics |
Jan. 3, 1989 |
| 4770169 |
Anaesthetic mask |
Sep. 13, 1988 |
| 4765325 |
Method and apparatus for determining respirator face mask fit |
Aug. 23, 1988 |
| 4764990 |
Ventilated face shield |
Aug. 23, 1988 |
| 4739755 |
Respirator |
Apr. 26, 1988 |
| H397 |
Modified bubble inturn mask periphery |
Jan. 5, 1988 |
| 4677977 |
Mask for pressure breathing |
Jul. 7, 1987 |
| 4674492 |
Alarm system for respirator apparatus and method of use |
Jun. 23, 1987 |
| 4669462 |
Disposable emergency respirator |
Jun. 2, 1987 |
| 4657010 |
Adjustable face mask |
Apr. 14, 1987 |
| 4641645 |
Face mask |
Feb. 10, 1987 |
| 4637387 |
Breathing apparatus |
Jan. 20, 1987 |
| 4616647 |
Molded fiber disposable face mask having enhanced nose and chin filter-seals |
Oct. 14, 1986 |
| 4601287 |
Heated survival face mask |
Jul. 22, 1986 |
| 4574799 |
Gas mask construction |
Mar. 11, 1986 |
| 4546768 |
Inhalation apparatus for animals |
Oct. 15, 1985 |
| 4470413 |
Protective breathing apparatus including a mask and mouthpiece |
Sep. 11, 1984 |
| 4454881 |
Multi-layer face mask with molded edge bead |
Jun. 19, 1984 |
| 4449526 |
Mask breathing system |
May. 22, 1984 |
| 4440163 |
Emergency escape breathing apparatus |
Apr. 3, 1984 |
| 4414973 |
Respirator face mask |
Nov. 15, 1983 |
| 4402316 |
Breathing gas mask |
Sep. 6, 1983 |
| D270110 |
Face mask |
Aug. 16, 1983 |
| 4384577 |
Disposable face mask |
May. 24, 1983 |
| 4328797 |
Naso-gastric oxygen mask |
May. 11, 1982 |
| 4319567 |
Disposable face mask |
Mar. 16, 1982 |
| 4315335 |
Dual safe helmet |
Feb. 16, 1982 |
| 4296746 |
Disposable full-face surgical mask |
Oct. 27, 1981 |
| 4222378 |
Mouthpiece accessory and seal |
Sep. 16, 1980 |
| 4207888 |
Baffle device for face tent |
Jun. 17, 1980 |
| 4205043 |
Hazardous atmosphere badge |
May. 27, 1980 |
| 4196727 |
See-through anesthesia mask |
Apr. 8, 1980 |
| 4174710 |
Connection between two different parts of a person's protective covering |
Nov. 20, 1979 |
| 4167185 |
Face mask seal |
Sep. 11, 1979 |
| 4136688 |
Protective devices |
Jan. 30, 1979 |
| 4069516 |
Breathing face mask |
Jan. 24, 1978 |
| 4022200 |
Medical facial mask |
May. 10, 1977 |
| 4002167 |
Animal gas mask assembly |
Jan. 11, 1977 |
| 3982532 |
Breathing mask, particularly for artificial respiration |
Sep. 28, 1976 |
| 3971369 |
Folded cup-like surgical face mask and method of forming the same |
Jul. 27, 1976 |
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