F24F 2110/70
Carbon dioxide
F24F2110/70 (Carbon dioxide) appears on 374 US grants and 605 published applications in this corpus.
Search patents in F24F- Granted patents
- 374
- Published applications
- 605
- Assignees
- 266
- Inventors
- 1,193
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 8 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 1 |
| 2003 | 4 | 5 |
| 2004 | 3 | 6 |
| 2005 | 3 | 7 |
| 2006 | 6 | 13 |
| 2007 | 4 | 7 |
| 2008 | 1 | 5 |
| 2009 | 1 | 5 |
| 2010 | 6 | 6 |
| 2011 | 4 | 8 |
| 2012 | 2 | 9 |
| 2013 | 5 | 8 |
| 2014 | 3 | 4 |
| 2015 | 3 | 18 |
| 2016 | 8 | 20 |
| 2017 | 10 | 15 |
| 2018 | 10 | 36 |
| 2019 | 24 | 38 |
| 2020 | 27 | 33 |
| 2021 | 31 | 73 |
| 2022 | 31 | 71 |
| 2023 | 35 | 61 |
| 2024 | 44 | 68 |
| 2025 | 41 | 48 |
| 2026 | 36 | 40 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Air pollution prevention system for bathroom space15 Sep 2026US 12,736,246 B2Microjet Technology Co., Ltd.
- Indoor air cleaning system8 Sep 2026US 12,729,868 B2Microjet Technology Co., Ltd.
- HVAC control system with cost target optimization25 Aug 2026US 12,716,606 B2Tyco Fire & Security GmbH
- Indoor air pollution detecting and purifying prevention method25 Aug 2026US 12,716,607 B2Microjet Technology Co., Ltd.
- Building management system with indoor air quality management using outdoor air quality forecasting18 Aug 2026US 12,710,190 B2Tyco Fire & Security GmbH
- An apparatus for ventilating an environment24 Sep 2026US 2026/0287189 A1Earthonomic Ecosolutions Private Limited
- System and method for characterizing outdoor air ventilation in an indoor environment17 Sep 2026US 2026/0276227 A1Poppy Health, Inc.
- Ventilation device having oxygen-supplying function and ventilation method using same3 Sep 2026US 2026/0258962 A1LG Electronics Inc.
- Hvac systems with start time optimization3 Sep 2026US 2026/0258963 A1Tyco Fire & Security GmbH
- Air quality monitoring system and method3 Sep 2026US 2026/0259186 A1Antrum, Inc.
Most cited
By later US patents
- Apparatus and method for automatic climate control456US 5,395,042 ASmart Systems International · 1995
- Two-way wireless HVAC system and thermostat226US 5,224,648 AAmerican Standard Inc. · 1993
- Adaptive intelligent circulation control methods and systems207US 7,222,494 B2Honeywell International Inc. · 2007
- Thermostat incorporating thin film carbon dioxide sensor and environmental control system168US 6,398,118 B12002
- Method for operating variable speed heat pumps and air conditioners156US 4,873,649 AHoneywell Inc. · 1989