Y02T 70/00
Maritime or waterways transport
Y02T70/00 (Maritime or waterways transport) appears on 1,800 US grants and 1,594 published applications in this corpus.
Search patents in Y02T- Granted patents
- 1,800
- Published applications
- 1,594
- Assignees
- 709
- Inventors
- 2,893
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 26 | 0 |
| 1977 | 11 | 0 |
| 1978 | 9 | 0 |
| 1979 | 8 | 0 |
| 1980 | 9 | 0 |
| 1981 | 5 | 0 |
| 1982 | 13 | 0 |
| 1983 | 14 | 0 |
| 1984 | 8 | 0 |
| 1985 | 15 | 0 |
| 1986 | 14 | 0 |
| 1987 | 21 | 0 |
| 1988 | 10 | 0 |
| 1989 | 10 | 0 |
| 1990 | 19 | 0 |
| 1991 | 19 | 0 |
| 1992 | 14 | 0 |
| 1993 | 16 | 0 |
| 1994 | 13 | 0 |
| 1995 | 23 | 0 |
| 1996 | 25 | 0 |
| 1997 | 22 | 0 |
| 1998 | 28 | 0 |
| 1999 | 22 | 0 |
| 2000 | 33 | 0 |
| 2001 | 31 | 3 |
| 2002 | 27 | 36 |
| 2003 | 41 | 26 |
| 2004 | 28 | 50 |
| 2005 | 42 | 53 |
| 2006 | 59 | 61 |
| 2007 | 38 | 51 |
| 2008 | 33 | 66 |
| 2009 | 27 | 60 |
| 2010 | 41 | 68 |
| 2011 | 47 | 77 |
| 2012 | 63 | 87 |
| 2013 | 57 | 69 |
| 2014 | 71 | 84 |
| 2015 | 88 | 84 |
| 2016 | 73 | 87 |
| 2017 | 96 | 79 |
| 2018 | 72 | 99 |
| 2019 | 83 | 80 |
| 2020 | 83 | 63 |
| 2021 | 68 | 89 |
| 2022 | 55 | 63 |
| 2023 | 53 | 67 |
| 2024 | 47 | 41 |
| 2025 | 48 | 32 |
| 2026 | 22 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Energy-saving arrangement for twin-screw ships25 Aug 2026US 12,715,564 B2Becker Marine Systems GmbH & Co.KG
- Method and system for processing gas in a gas storage facility for a gas tanker11 Aug 2026US 12,704,323 B2Gaztransport Et Technigaz
- Wing-in-ground effect vehicle28 Jul 2026US 12,691,863 B2REGENT Craft Inc.
- Combined disc-type cavitation structure for underwater navigation of underwater vehicle16 Jun 2026US 12,654,807 B2Dalian University of Technology
- System and method for optimizing fuel usage of a marine vessel16 Jun 2026US 12,654,825 B2Marine Technologies, 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.
- The performance of dual flow conversion buoyancy to the ships process that reduce resistance6 Aug 2026US 2026/0225687 A1
- 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.
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
- Surface topographies for non-toxic bioadhesion control146US 7,650,848 B2University of Florida Research Foundation, Inc. · 2010
- Wave power components139US 8,287,323 B2Liquid Robotics, Inc. · 2012
- Drag reduction article137US 5,133,516 AMinnesota Mining and Manufacturing Company · 1992