F01N 5/04
The devices using kinetic energy
Official title: the devices using kinetic energy
F01N5/04 (The devices using kinetic energy) appears on 286 US grants and 338 published applications in this corpus.
Search patents in F01N- Granted patents
- 286
- Published applications
- 338
- Assignees
- 159
- Inventors
- 691
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 3 | 3 |
| 2004 | 2 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 4 |
| 2007 | 0 | 11 |
| 2008 | 5 | 7 |
| 2009 | 1 | 13 |
| 2010 | 1 | 13 |
| 2011 | 6 | 17 |
| 2012 | 9 | 14 |
| 2013 | 13 | 15 |
| 2014 | 7 | 14 |
| 2015 | 17 | 24 |
| 2016 | 12 | 26 |
| 2017 | 14 | 16 |
| 2018 | 15 | 22 |
| 2019 | 13 | 20 |
| 2020 | 29 | 31 |
| 2021 | 29 | 26 |
| 2022 | 23 | 33 |
| 2023 | 25 | 10 |
| 2024 | 12 | 5 |
| 2025 | 6 | 4 |
| 2026 | 2 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Mild-hybrid electric vehicle (MHEV) emissions aftertreatment system18 Aug 2026US 12,710,025 B2Saudi Arabian Oil Company
- Energy harvesting system using dryer exhaust air to generate electricity14 Jul 2026US 12,680,219 B2Whirlpool Corporation
- Internal combustion engine transient response18 Nov 2025US 12,473,867 B2Caterpillar Inc.
- Air-handling system for fuel-efficient low load thermal promotion and high load operation for heavy duty engines1 Jul 2025US 12,345,220 B1Saudi Arabian Oil Company
- Internal combustion engine with thermochemical recuperation of waste heat and a method for thermochemical recuperation10 Jun 2025US 12,326,124 B2Technion Research & Development Foundation Limited
- Reduction of nox and n2o in the exhaust gas of ship motors operated using nh330 Jul 2026US 2026/0216649 A1
- Turbine Control for Improved Dosing9 Apr 2026US 2026/0098493 A1Cummins Emission Solutions Inc.
- Mild-hybrid electric vehicle (mhev) emissions aftertreatment system19 Mar 2026US 2026/0078723 A1Aramco Services Company
- Vehicle system with injection housing and turbocharger having motor19 Feb 2026US 2026/0049565 A1Cummins Emission Solutions Inc.
- Exhaust Systems for Snowmobiles1 Jan 2026US 2026/0001395 A1Arctic Cat Inc.
Most cited
By later US patents
- Diesel gas turbine system and related methods76US 7,886,522 B22011
- Hybrid vehicle driven by composit torque generated by an internal-combustion engine and an electric motor, and method of operating same74US 6,570,265 B1Hitachi, Ltd. · 2003
- Integrated method of driving a CO2 compressor of a CO2-capture system using waste heat from an internal combustion engine on board a mobile source47US 9,222,480 B2Saudi Arabian Oil Company · 2015
- Turbocharger turbine housing assembly43US 4,463,564 AThe Garrett Corporation · 1984
- Electric boost compressor and turbine generator system41US 7,958,727 B2Honeywell International Inc. · 2011