F23L 2700/00
Installations for increasing draught in chimneys
Official title: Installations for increasing draught in chimneys; Specific draught control devices for locomotives
F23L2700/00 (Installations for increasing draught in chimneys) appears on 9 US grants and 11 published applications in this corpus.
Search patents in F23L- Granted patents
- 9
- Published applications
- 11
- Assignees
- 2
- Inventors
- 11
- Latest grant
- 29 Jun 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 1 | 2 |
| 2018 | 3 | 5 |
| 2019 | 2 | 0 |
| 2020 | 1 | 0 |
| 2021 | 1 | 1 |
By publication year.
Subgroups
Granted patents
Recent patents
- Chimney starter booster29 Jun 2021US 11,047,577 B2
- Managed biochar kiln7 Jan 2020US 10,527,282 B2Biochar Now, LLC
- Airflow control and heat recovery in a managed kiln18 Jun 2019US 10,323,845 B2Biochar Now, LLC
- Flow regulation for a biochar kiln9 Apr 2019US 10,253,979 B2Biochar Now, LLC
- Exhaust system for a biochar kiln25 Dec 2018US 10,160,911 B2Biochar Now, LLC
- Chimney starter booster13 May 2021US 2021/0140642 A1
- Exhaust System For A Biochar Kiln4 Oct 2018US 2018/0282628 A1Biochar Now, LLC
- Flow Regulation For A Biochar Kiln4 Oct 2018US 2018/0282629 A1Biochar Now, LLC
- Managed Biochar Kiln4 Oct 2018US 2018/0282630 A1Biochar Now, LLC
- Airflow control and heat recovery in a managed kiln15 Mar 2018US 2018/0072953 A1Biochar Now, LLC
Most cited
By later US patents
- Airflow control and heat recovery in a managed kiln14US 9,752,078 B2Biochar Now, LLC · 2017
- Device for dispersing foul gaseous effluent emissions at the source11US 10,092,671 B2Suez Groupe · 2018
- Exhaust system for a biochar kiln3US 10,160,911 B2Biochar Now, LLC · 2018
- Flow regulation for a biochar kiln2US 10,253,979 B2Biochar Now, LLC · 2019
- Airflow control and heat recovery in a managed kiln2US 10,323,845 B2Biochar Now, LLC · 2019