F02D 2400/11
After-sales modification devices designed to be used to modify an engine afterwards
F02D2400/11 (After-sales modification devices designed to be used to modify an engine afterwards) appears on 176 US grants and 200 published applications in this corpus.
Search patents in F02D- Granted patents
- 176
- Published applications
- 200
- Assignees
- 99
- Inventors
- 346
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 2 |
| 2003 | 3 | 13 |
| 2004 | 8 | 7 |
| 2005 | 4 | 5 |
| 2006 | 10 | 8 |
| 2007 | 6 | 4 |
| 2008 | 7 | 15 |
| 2009 | 3 | 5 |
| 2010 | 6 | 10 |
| 2011 | 5 | 7 |
| 2012 | 4 | 10 |
| 2013 | 4 | 10 |
| 2014 | 8 | 11 |
| 2015 | 4 | 11 |
| 2016 | 6 | 8 |
| 2017 | 7 | 10 |
| 2018 | 11 | 9 |
| 2019 | 9 | 15 |
| 2020 | 9 | 6 |
| 2021 | 14 | 10 |
| 2022 | 9 | 6 |
| 2023 | 6 | 9 |
| 2024 | 8 | 1 |
| 2025 | 7 | 5 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Small engine starter device8 Apr 2025US 12,270,365 B1
- Novel system for enhancing thermomechnical efficiency and reducing emissions and noise levels in ic engines9 Jul 2026US 2026/0194025 A1
- Low reactivity fuel-powered charging system5 Mar 2026US 2026/0066669 A1Caterpillar Inc.
- Electronic fuel injection throttle body assembly1 Jan 2026US 2026/0002479 A1Holley Performance Products, Inc.
- Throttle controlled intake system29 May 2025US 2025/0172100 A1K&N Engineering, Inc.
- Electronic fuel injection throttle body assembly29 May 2025US 2025/0172115 A1Holley Performance Products, Inc.
Most cited
By later US patents
- Data input interface for power and speed controller115US 5,803,043 A1998
- Data input interface for power and speed controller109US 5,769,051 A1998
- Internal combustion engine control for improved fuel efficiency97US 8,131,447 B2Tula Technology, Inc. · 2012
- Multi-fuel engine conversion system and method90US 7,019,626 B1Omnitek Engineering Corporation · 2006
- Apparatus and method for providing an alternative fuel system for engines81US 5,092,305 AGas Research Institute · 1992