F23N 2229/20
Camera viewing
F23N2229/20 (Camera viewing) appears on 96 US grants and 92 published applications in this corpus.
Search patents in F23N- Granted patents
- 96
- Published applications
- 92
- Assignees
- 80
- Inventors
- 336
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 6 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 2 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 2 | 5 |
| 2007 | 0 | 3 |
| 2008 | 1 | 2 |
| 2009 | 1 | 3 |
| 2010 | 3 | 4 |
| 2011 | 2 | 4 |
| 2012 | 3 | 2 |
| 2013 | 3 | 3 |
| 2014 | 1 | 3 |
| 2015 | 3 | 5 |
| 2016 | 0 | 6 |
| 2017 | 5 | 2 |
| 2018 | 3 | 3 |
| 2019 | 4 | 5 |
| 2020 | 4 | 5 |
| 2021 | 2 | 7 |
| 2022 | 2 | 4 |
| 2023 | 7 | 8 |
| 2024 | 5 | 9 |
| 2025 | 5 | 2 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Monitoring combustible matter in a gaseous stream2 Jun 2026US 12,644,599 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Real-time flare optimization using an edge device12 May 2026US 12,624,834 B2Schlumberger Technology Corporation
- Method and device for monitoring of a heap of material17 Mar 2026US 12,578,230 B2Axis AB
- Flame analytics system11 Nov 2025US 12,467,692 B2Honeywell International Inc.
- Apparatus, method, and program product for determining a flaring efficiency estimate based on captured image data, a simulation model, and operations data16 Sep 2025US 12,417,527 B2Honeywell International Inc.
- Optical diagnosis system and method for ignition of single-particle excavate waste21 May 2026US 2026/0139832 A1Tianjin University
- Method and device for estimating a combustion efficiency value during flaring21 Aug 2025US 2025/0264217 A1
- Single-pixel multispectral imager for flare and burner combustion efficiency measurement6 Feb 2025US 2025/0044219 A1Schlumberger Technology Corporation
- Bright radiator22 Aug 2024US 2024/0280259 A1Schwank GmbH
- Real-time flare optimization using an edge device4 Jul 2024US 2024/0219023 A1Schlumberger Technology Corporation
Most cited
By later US patents
- Integrated imaging sensor/neural network controller for combustion systems71US 5,249,954 AElectric Power Research Institute, Inc. · 1993
- Video temperature monitor68US 5,225,883 AThe Babcock & Wilcox Company · 1993
- Automatically optimized combustion control59US 6,468,069 B22002
- Flame detection apparatus and method49US 6,278,374 B1Kellogg Brown & Root LLC · 2001
- Early fire detection method and apparatus48US 6,184,792 B22001