Y02T 70/5218
Less carbon-intensive fuels
Official title: Less carbon-intensive fuels, e.g. natural gas, biofuels
Y02T70/5218 (Less carbon-intensive fuels) appears on 455 US grants and 484 published applications in this corpus.
Search patents in Y02T- Granted patents
- 455
- Published applications
- 484
- Assignees
- 196
- Inventors
- 724
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 4 | 4 |
| 2003 | 7 | 6 |
| 2004 | 5 | 6 |
| 2005 | 8 | 11 |
| 2006 | 12 | 15 |
| 2007 | 8 | 15 |
| 2008 | 9 | 23 |
| 2009 | 9 | 20 |
| 2010 | 15 | 17 |
| 2011 | 14 | 13 |
| 2012 | 16 | 36 |
| 2013 | 20 | 32 |
| 2014 | 27 | 26 |
| 2015 | 26 | 26 |
| 2016 | 22 | 28 |
| 2017 | 33 | 23 |
| 2018 | 22 | 32 |
| 2019 | 24 | 31 |
| 2020 | 27 | 21 |
| 2021 | 29 | 33 |
| 2022 | 19 | 20 |
| 2023 | 16 | 22 |
| 2024 | 11 | 10 |
| 2025 | 15 | 7 |
| 2026 | 7 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Control method for a wind propulsion device on a vessel26 May 2026US 12,637,189 B2Norsepower Oy Ltd
- Wave-powered propulsion shroud31 Mar 2026US 12,589,851 B2Lone Gull Holdings, Ltd.
- Variable torque motor/generator/transmission3 Mar 2026US 12,567,823 B2Falcon Power, LLC
- Boat propulsion system17 Feb 2026US 12,552,504 B2Bound 4 Blue, S.L.
- Hybrid propulsion system for boats and ships17 Feb 2026US 12,552,508 B2Greenergy Inventions International Ltd
- Autonomous navigation ship27 Aug 2026US 2026/0249966 A1SoftBank Group Corp.
- Wave-powered propulsion shroud13 Aug 2026US 2026/0233817 A1Lone Gull Holdings, Ltd.
- Wave-powered propulsion shroud13 Aug 2026US 2026/0233818 A1Lone Gull Holdings, Ltd.
- A Hybrid Power Generation System for Unmanned Vessels with Configurable Generator Architecture and Advanced Power Quality Management23 Jul 2026US 2026/0208842 A1Electronic Power Design, Inc.
- Energy harvesting vessels with modular hulls23 Apr 2026US 2026/0109436 A1Lilypad Labs, Inc.
Most cited
By later US patents
- Scavenger energy converter system its new applications and its control systems239US 6,327,994 B12001
- Energy-generating plant, particularly propeller-type ship's propulsion plant, including a solar generator225US 5,235,266 ASchottel-Werft Josef Becker GmbH & Co. KG · 1993
- Wave power components139US 8,287,323 B2Liquid Robotics, Inc. · 2012
- Marine hulls and drives97US 7,984,684 B22011
- Boat ride for amusement park76US 3,930,450 ASid & Marty Krofft Productions, Inc. · 1976