Y02T 70/50
Measures to reduce greenhouse gas emissions related to the propulsion system
Y02T70/50 (Measures to reduce greenhouse gas emissions related to the propulsion system) appears on 636 US grants and 677 published applications in this corpus.
Search patents in Y02T- Granted patents
- 636
- Published applications
- 677
- Assignees
- 271
- Inventors
- 1,066
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 6 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 7 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 0 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 9 | 0 |
| 2002 | 8 | 7 |
| 2003 | 9 | 9 |
| 2004 | 6 | 15 |
| 2005 | 13 | 21 |
| 2006 | 22 | 23 |
| 2007 | 10 | 20 |
| 2008 | 12 | 29 |
| 2009 | 11 | 27 |
| 2010 | 18 | 29 |
| 2011 | 19 | 26 |
| 2012 | 23 | 44 |
| 2013 | 29 | 44 |
| 2014 | 37 | 38 |
| 2015 | 36 | 37 |
| 2016 | 28 | 39 |
| 2017 | 47 | 33 |
| 2018 | 33 | 51 |
| 2019 | 32 | 37 |
| 2020 | 43 | 28 |
| 2021 | 35 | 40 |
| 2022 | 24 | 27 |
| 2023 | 19 | 27 |
| 2024 | 15 | 11 |
| 2025 | 17 | 7 |
| 2026 | 10 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and system for processing gas in a gas storage facility for a gas tanker11 Aug 2026US 12,704,323 B2Gaztransport Et Technigaz
- 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.
- Fuel cell ship24 Mar 2026US 12,583,570 B2Yanmar Holdings Co., Ltd.
- Variable torque motor/generator/transmission3 Mar 2026US 12,567,823 B2Falcon Power, LLC
- 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.
- Fuel cell ship25 Jun 2026US 2026/0175956 A1Yanmar Holdings Co., Ltd.
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