F02B 2043/103
Natural gas
Official title: {Natural gas, e.g. methane or LNG used as a fuel}
F02B2043/103 (Natural gas) appears on 113 US grants and 149 published applications in this corpus.
Search patents in F02B- Granted patents
- 113
- Published applications
- 149
- Assignees
- 76
- Inventors
- 307
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 6 |
| 2014 | 1 | 6 |
| 2015 | 7 | 13 |
| 2016 | 3 | 20 |
| 2017 | 11 | 20 |
| 2018 | 18 | 16 |
| 2019 | 14 | 10 |
| 2020 | 10 | 8 |
| 2021 | 9 | 7 |
| 2022 | 8 | 8 |
| 2023 | 12 | 17 |
| 2024 | 8 | 7 |
| 2025 | 1 | 5 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fuel agnostic compression ignition engine18 Aug 2026US 12,710,015 B2Climate Energy Investments, LLC
- Pre-chamber combustion systems and methods11 Aug 2026US 12,704,088 B2M2X Energy Inc.
- Method of operating an internal combustion engine and corresponding arrangement16 Jun 2026US 12,655,815 B2Linde Aktiengesellschaft
- Systems, devices and methods for input and output pressure management of air breathing engine reformers10 Mar 2026US 12,570,526 B2M2X Energy Inc.
- Natural gas engine27 Jan 2026US 12,535,030 B2Smith Power Products, Inc.
- High pressure gas compresor environmental recovery system8 Oct 2026US 2026/0309137 A1Flowco MasterCo LLC
- Discharge apparatus10 Sep 2026US 2026/0266205 A1Isuzu Motors Limited
- Reduction of nox and n2o in the exhaust gas of ship motors operated using nh330 Jul 2026US 2026/0216649 A1
- A multifunctional catalyst system30 Jul 2026US 2026/0216650 A1Dinex A/S
- Engine device20 Nov 2025US 2025/0354527 A1Yanmar Holdings Co., Ltd.
Most cited
By later US patents
- System for fueling electric powered hydraulic fracturing equipment with multiple fuel sources255US 10,020,711 B2U.S. Well Services, LLC · 2018
- System comprising duel-fuel and after treatment for heavy-heavy duty diesel (HHDD) engines180US 10,287,943 B1Clean Power Technologies, LLC · 2019
- Reformed natural gas for powering an internal combustion engine177US 6,508,209 B12003
- Compressor and engine efficiency system and method168US 4,330,237 AMichigan Consolidated Gas Company · 1982
- System for fueling electric powered hydraulic fracturing equipment with multiple fuel sources85US 10,927,802 B2U.S. Well Services, LLC · 2021