Y02P 90/40
Fuel cell technologies in production processes
Y02P90/40 (Fuel cell technologies in production processes) appears on 129 US grants and 143 published applications in this corpus.
Search patents in Y02P- Granted patents
- 129
- Published applications
- 143
- Assignees
- 71
- Inventors
- 294
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 6 |
| 2004 | 5 | 17 |
| 2005 | 7 | 7 |
| 2006 | 6 | 10 |
| 2007 | 8 | 8 |
| 2008 | 6 | 3 |
| 2009 | 7 | 5 |
| 2010 | 5 | 5 |
| 2011 | 5 | 7 |
| 2012 | 8 | 5 |
| 2013 | 2 | 12 |
| 2014 | 4 | 11 |
| 2015 | 10 | 8 |
| 2016 | 3 | 10 |
| 2017 | 10 | 6 |
| 2018 | 4 | 6 |
| 2019 | 5 | 3 |
| 2020 | 11 | 3 |
| 2021 | 6 | 5 |
| 2022 | 5 | 2 |
| 2023 | 3 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electrical power generating system16 Jun 2026US 12,658,711 B2BWR Innovations LLC
- Electrical power generating system7 Jan 2025US 12,191,670 B2BWR Innovations LLC
- Grid-connected power conversion system and control method thereof29 Aug 2023US 11,742,778 B2Hyundai Motor Company
- Electrical power generating system8 Aug 2023US 11,721,979 B2BWR Innovations LLC
- Apparatus and method for high efficiency operation of fuel cell systems6 Jun 2023US 11,670,788 B2General Electric Company
- Electrical Power Generating System24 Apr 2025US 2025/0132571 A1BWR Innovations LLC
- Electrical Power Generating System23 Nov 2023US 2023/0378763 A1BWR Innovations LLC
- Electrical Power Generating System10 Nov 2022US 2022/0360088 A1BWR Innovations LLC
- Fuel cell and battery backup power sources within power systems3 Mar 2022US 2022/0069613 A1Caterpillar Inc.
- Apparatus and method for high efficiency operation of fuel cell systems7 Oct 2021US 2021/0313599 A1General Electric Company
Most cited
By later US patents
- Process and system for converting carbonaceous feedstocks into energy without greenhouse gas emissions283US 6,187,465 B12001
- Apparatus and method for heating subterranean formations using fuel cells241US 6,684,948 B12004
- System for reducing harmonics by harmonic current injection194US 5,499,178 ARegents of the University of Minnesota · 1996
- Combined fuel cell and fuel combustion power generation systems108US 6,868,677 B2Clean Energy Systems, Inc. · 2005
- Co-generated power supply system93US 7,449,798 B2I-Hits Laboratory · 2008