Y02E 60/30
Hydrogen technology
Y02E60/30 (Hydrogen technology) appears on 37,231 US grants and 50,382 published applications in this corpus.
Search patents in Y02E- Granted patents
- 37,231
- Published applications
- 50,382
- Assignees
- 8,384
- Inventors
- 59,628
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 129 | 0 |
| 1977 | 117 | 0 |
| 1978 | 121 | 0 |
| 1979 | 106 | 0 |
| 1980 | 139 | 0 |
| 1981 | 138 | 0 |
| 1982 | 156 | 0 |
| 1983 | 147 | 0 |
| 1984 | 157 | 0 |
| 1985 | 144 | 0 |
| 1986 | 152 | 0 |
| 1987 | 162 | 0 |
| 1988 | 168 | 0 |
| 1989 | 177 | 0 |
| 1990 | 146 | 0 |
| 1991 | 138 | 0 |
| 1992 | 175 | 0 |
| 1993 | 188 | 0 |
| 1994 | 212 | 0 |
| 1995 | 190 | 0 |
| 1996 | 198 | 0 |
| 1997 | 220 | 0 |
| 1998 | 257 | 0 |
| 1999 | 309 | 0 |
| 2000 | 369 | 0 |
| 2001 | 459 | 257 |
| 2002 | 554 | 1116 |
| 2003 | 722 | 1424 |
| 2004 | 814 | 1947 |
| 2005 | 734 | 1997 |
| 2006 | 863 | 2176 |
| 2007 | 823 | 2284 |
| 2008 | 870 | 2217 |
| 2009 | 1024 | 2488 |
| 2010 | 1587 | 2585 |
| 2011 | 1538 | 2150 |
| 2012 | 1643 | 1948 |
| 2013 | 1537 | 1875 |
| 2014 | 1606 | 1994 |
| 2015 | 1588 | 2086 |
| 2016 | 1472 | 1964 |
| 2017 | 1578 | 1873 |
| 2018 | 1485 | 1972 |
| 2019 | 1728 | 1923 |
| 2020 | 1709 | 1952 |
| 2021 | 1532 | 2032 |
| 2022 | 1600 | 2104 |
| 2023 | 1671 | 2547 |
| 2024 | 1408 | 2281 |
| 2025 | 1515 | 1949 |
| 2026 | 756 | 1241 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Containerized processing of activated aluminum6 Oct 2026US 12,752,248 B1Ltag Systems LLC
- Smart hydrogen storage protocol29 Sep 2026US 12,747,833 B2The Texas A&M University System
- Hydrogen production apparatus, hydrogen production method, silicon fine particles for hydrogen production, and production method for silicon fine particles for hydrogen production15 Sep 2026US 12,735,315 B2Nisshin Kasei Co., Ltd.
- Hydrogen transport, distribution and storage system, method and apparatus8 Sep 2026US 12,729,814 B2H2C Safety Pipe, Inc.
- Photovoltaic power generation systems and methods regarding same8 Sep 2026US 12,732,131 B2Brilliant Light Power, Inc.
- Hydrogen supply system24 Sep 2026US 2026/0286534 A1Hyundai Motor Company
- Power generation and methods regarding same24 Sep 2026US 2026/0286883 A1Brilliant Light Power, Inc.
- Steerable intra-luminal medical device27 Aug 2026US 2026/0249050 A1Board of Regents, The University of Texas System
- Ammonia decomposition reactor having function of preheating ammonia gas27 Aug 2026US 2026/0249262 A1Fuzhou University
- Reforming device27 Aug 2026US 2026/0249266 A1Kabushiki Kaisha Toyota Jidoshokki
Most cited
By later US patents
- Fuel level indicator for combustion tools1,057US 6,722,550 B1Illinois Tool Works Inc. · 2004
- Ionic semiconductor materials and applications thereof795US 5,055,171 AT and G Corporation · 1991
- Enzyme electrode739US 4,224,125 AMatsushita Electric Industrial Co., Ltd. · 1980
- Method for manufacturing porous structure and method for forming pattern645US 6,565,763 B1Kabushiki Kaisha Toshiba · 2003
- Process for producing zirconium oxide thin films621US 7,754,621 B2ASM International N.V. · 2010