Y10S 55/35
Respirators and register filters
Y10S55/35 (Respirators and register filters) appears on 190 US grants and 50 published applications in this corpus.
Search patents in Y10S- Granted patents
- 190
- Published applications
- 50
- Assignees
- 81
- Inventors
- 281
- Latest grant
- 26 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 8 | 0 |
| 1982 | 10 | 0 |
| 1983 | 3 | 0 |
| 1984 | 6 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 12 | 0 |
| 1999 | 13 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 2 |
| 2002 | 13 | 7 |
| 2003 | 8 | 6 |
| 2004 | 16 | 11 |
| 2005 | 6 | 6 |
| 2006 | 5 | 5 |
| 2007 | 4 | 3 |
| 2008 | 6 | 2 |
| 2009 | 1 | 1 |
| 2010 | 6 | 3 |
| 2011 | 2 | 0 |
| 2012 | 3 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 1 |
| 2015 | 2 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Air cleaner and method of controlling operation of same26 Dec 2023US 11,852,369 B2LG Electronics Inc.
- Attachable air filter for an air vent register21 Apr 2015US 9,011,565 B2
- End of service life indicator for respirator21 Apr 2015US 9,011,584 B2Honeywell International Inc.
- Filter systems including optical analyte sensors and optical readers2 Sep 2014US 8,821,621 B23M Innovative Properties Company
- Filter cartridge having location-registered view window for end-of-service-life-indicator (ESLI)24 Jul 2012US 8,225,782 B23M Innovative Properties Company
- Air cleaner and method of controlling operation of same10 Feb 2022US 2022/0042714 A1LG Electronics Inc.
- Attachable air filter for an air vent register25 Dec 2014US 2014/0373493 A1
- End of service life indicator for respirator28 Feb 2013US 2013/0047982 A1Honeywell International Inc.
- Filter Systems Including Optical Analyte Sensors and Optical Readers10 Jan 2013US 2013/0010288 A13M Innovative Properties Company
- Filter cartridge having location-registered view window for end-of-service-life-indicator (esli)25 Nov 2010US 2010/0294273 A13M Innovative Properties Company
Most cited
By later US patents
- Melt-blown fibrous electrets387US 4,215,682 AMinnesota Mining and Manufacturing Company · 1980
- Method of charging electret filter media289US 5,496,507 AMinnesota Mining and Manufacturing Company · 1996
- Cleanable high efficiency filter media structure and applications for use231US 7,008,465 B2Donaldson Company, Inc. · 2006
- Forced ventilation filtration device185US 5,022,900 AEagle, Military Gear Overseas Ltd. · 1991
- Artificial ventilation system and methods of controlling carbon dioxide rebreathing171US 5,778,872 AMedlis Corp. · 1998