B65H 2801/72
Fuel cell manufacture
B65H2801/72 (Fuel cell manufacture) appears on 148 US grants and 344 published applications in this corpus.
Search patents in B65H- Granted patents
- 148
- Published applications
- 344
- Assignees
- 90
- Inventors
- 739
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 2 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 3 |
| 2014 | 0 | 1 |
| 2015 | 4 | 5 |
| 2016 | 5 | 10 |
| 2017 | 2 | 9 |
| 2018 | 8 | 12 |
| 2019 | 10 | 6 |
| 2020 | 9 | 6 |
| 2021 | 3 | 13 |
| 2022 | 6 | 15 |
| 2023 | 10 | 46 |
| 2024 | 24 | 74 |
| 2025 | 41 | 84 |
| 2026 | 22 | 56 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Stacking apparatus and stacking system8 Sep 2026US 12,729,089 B2Murata Manufacturing Co., Ltd.
- Device for replacing a coil or a core, arrangement, and method for replacing a coil or a core18 Aug 2026US 12,709,508 B2PowerCo SE
- Taping device for secondary battery and secondary battery manufactured using the same18 Aug 2026US 12,712,196 B2Samsung SDI.Co., Ltd.
- Meandering correction device for electrode and meandering correction method for electrode11 Aug 2026US 12,706,321 B2LG Energy Solution, Ltd.
- Winding and unwinding device and battery production system9 Jun 2026US 12,651,764 B2Contemporary Amperex Technology (Hong Kong) Limited
- Device and method for the energy cell manufacturing industry for forming a stack comprising a plurality of segments and a material web1 Oct 2026US 2026/0302309 A1KöRber Technologies GmbH
- Stacking apparatus and stacking method1 Oct 2026US 2026/0302313 A1Youil Energy Tech. Co., Ltd
- Apparatus for Manufacturing Electrode Assembly17 Sep 2026US 2026/0273788 A1LG Energy Solution, Ltd.
- Apparatus and method for handling sheet electrodes27 Aug 2026US 2026/0250089 A1G. D S.p.A.
- Method and apparatus for implementing a change of coil of electrode web for the production of electrochemical cells13 Aug 2026US 2026/0233956 A1G. D S.p.A.
Most cited
By later US patents
- Stacking apparatus and method for laminated products and packaging43US 6,547,229 B13M Innovative Properties Company · 2003
- Rotary converting apparatus and method for laminated products and packaging28US 6,585,846 B13M Innovative Properties Company · 2003
- Conveyor and conveying method8US 9,216,861 B2Automotive Energy Supply Corporation · 2015
- Dual coating system5US 9,486,828 B2Fuji Kikai Kogyo Co., Ltd. · 2016
- Placement method2US 11,274,002 B2Toyota Jidosha Kabushiki Kaisha · 2022