F24F 2221/44
Protection from terrorism or theft
F24F2221/44 (Protection from terrorism or theft) appears on 60 US grants and 83 published applications in this corpus.
Search patents in F24F- Granted patents
- 60
- Published applications
- 83
- Assignees
- 43
- Inventors
- 137
- Latest grant
- 15 Aug 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 2 | 2 |
| 2002 | 1 | 0 |
| 2003 | 2 | 11 |
| 2004 | 7 | 19 |
| 2005 | 7 | 6 |
| 2006 | 4 | 4 |
| 2007 | 5 | 3 |
| 2008 | 8 | 4 |
| 2009 | 2 | 1 |
| 2010 | 1 | 2 |
| 2011 | 0 | 1 |
| 2012 | 1 | 3 |
| 2013 | 4 | 2 |
| 2014 | 0 | 3 |
| 2015 | 1 | 2 |
| 2016 | 1 | 0 |
| 2017 | 0 | 4 |
| 2018 | 2 | 4 |
| 2019 | 3 | 2 |
| 2020 | 4 | 3 |
| 2021 | 0 | 3 |
| 2022 | 3 | 3 |
| 2023 | 2 | 1 |
By publication year.
Recent patents
- Indoor ventilation system15 Aug 2023US 11,725,452 B2Ublo Inc.
- Anomaly detection based on airflow alerters21 Feb 2023US 11,585,557 B2International Business Machines Corporation
- Anomaly detection based on airflow measurement29 Nov 2022US 11,512,861 B2International Business Machines Corporation
- Systems and methods for electronically locking HVAC doors23 Aug 2022US 11,421,444 B2Johnson Controls Tyco IP Holdings LLP
- Building automation system with microservices architecture19 Jul 2022US 11,391,478 B2Johnson Controls Tyco IP Holdings LLP
- Systems and methods for electronically locking hvac doors20 Jul 2023US 2023/0228122 A1Johnson Controls Tyco IP Holdings LLP
- Security sleeve19 May 2022US 2022/0153515 A1Jenco Sales, Inc.
- Anomaly detection based on airflow measurement6 Jan 2022US 2022/0003442 A1International Business Machines Corporation
- Anomaly detection based on airflow alerters6 Jan 2022US 2022/0003449 A1International Business Machines Corporation
- Vent Cover Apparatus30 Dec 2021US 2021/0404700 A1
Most cited
By later US patents
- Environmental control unit, and air handling systems and methods using same100US 6,796,896 B22004
- Filter system with automatic media refresh96US 7,186,290 B2Carrier Corporation · 2007
- Security cover for ventilation duct56US 6,805,627 B2ARC3 Corporation · 2004
- Method and apparatus for air treatment48US 7,407,633 B2The Johns Hopkins University · 2008
- Air decontamination devices47US 7,326,387 B22008