F01N 2560/12
Exhaust systems with means for detecting or measuring exhaust gas components or
Official title: Other sensor principles, e.g. using electro conductivity of substrate or radio frequency
F01N2560/12 (Exhaust systems with means for detecting or measuring exhaust gas components or) appears on 183 US grants and 209 published applications in this corpus.
Search patents in F01N- Granted patents
- 183
- Published applications
- 209
- Assignees
- 100
- Inventors
- 413
- Latest grant
- 10 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 2 | 7 |
| 2008 | 2 | 4 |
| 2009 | 3 | 6 |
| 2010 | 4 | 8 |
| 2011 | 2 | 5 |
| 2012 | 7 | 8 |
| 2013 | 4 | 6 |
| 2014 | 7 | 13 |
| 2015 | 9 | 11 |
| 2016 | 12 | 21 |
| 2017 | 14 | 24 |
| 2018 | 12 | 22 |
| 2019 | 17 | 24 |
| 2020 | 28 | 24 |
| 2021 | 16 | 11 |
| 2022 | 16 | 6 |
| 2023 | 10 | 2 |
| 2024 | 5 | 3 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dual-purpose heater and fluid flow measurement system10 Jun 2025US 12,326,107 B2Watlow Electric Manufacturing Company
- Virtual sensing system25 Mar 2025US 12,258,898 B2Watlow Electric Manufacturing Company
- Diesel exhaust fluid sensor adapter for fluid aeration mitigation31 Dec 2024US 12,181,321 B2Shaw Development, LLC
- Determining an estimate of soot load in a diesel particulate filter using a radio frequency sensor17 Sep 2024US 12,092,000 B2Perkins Engines Company Limited
- Dual-purpose heater and fluid flow measurement system16 Jul 2024US 12,037,933 B2Watlow Electric Manufacturing Company
- Sensing system for gas turbine power plant exhaust30 Jul 2026US 2026/0218640 A1Mitsubishi Power Americas, Inc.
- Diesel exhaust fluid sensor adapter for fluid aeration mitigation8 May 2025US 2025/0146855 A1Shaw Development, LLC
- Dual-purpose heater and fluid flow measurement system3 Oct 2024US 2024/0328342 A1Watlow Electric Manufacturing Company
- Virtual sensing system22 Aug 2024US 2024/0280042 A1Watlow Electric Manufacturing Company
- Diesel exhaust fluid sensor adapter for fluid aeration mitigation15 Aug 2024US 2024/0271980 A1Shaw Development, LLC
Most cited
By later US patents
- Radio frequency process sensing, control, and diagnostics network and system267US 10,118,119 B2CTS Corporation · 2018
- Antenna system for soot detecting72US 5,497,099 AEngine Control Systems Ltd. · 1996
- Detector for particulate density and filter with detector for particulate density71US 4,656,832 ANippondenso Co., Ltd. · 1987
- Filter regenerating apparatus and method for an internal combustion engine57US 5,423,180 AMatsushita Electric Industrial Co., Ltd. · 1995
- Microwave detection of soot content in a particulate trap51US 4,477,771 AGeneral Motors Corporation · 1984