H02M 7/34
Wherein the parts are rotating and collectors co-operate with brushes or rollers
Official title: wherein the parts are rotating and collectors co-operate with brushes or rollers
H02M7/34 (Wherein the parts are rotating and collectors co-operate with brushes or rollers) appears on 3 US grants and 3 published applications in this corpus.
Search patents in H02M- Granted patents
- 3
- Published applications
- 3
- Assignees
- 2
- Inventors
- 12
- Latest grant
- 24 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
By publication year.
Recent patents
- Diode mounting ring with contact band inserts24 Oct 2023US 11,799,391 B2Hamilton Sundstrand Corporation
- Apparatus for generating alternating current power by direct current supply brush that rotates with field pole generator, and apparatus for generating direct current power14 Jan 2014US 8,629,588 B2
- Power system for fuel cell, electronic equipment and electric power feeding method3 Jun 2008US 7,381,490 B2Matsushita Electric Industrial Co., Ltd.
- Diode mounting ring with contact band inserts15 Sep 2022US 2022/0294315 A1Hamilton Sundstrand Corporation
- Apparatus for generating alternating current power by direct current supply brush that rotates with field pole generator, and apparatus for generating direct current power10 May 2012US 2012/0113697 A1
- Power system for fuel cell, electronic equipment and electric power feeding method29 Sep 2005US 2005/0214606 A1Matsushita Electric Industrial Co., Ltd.
Most cited
By later US patents
- Power system for fuel cell, electronic equipment and electric power feeding method3US 7,381,490 B2Matsushita Electric Industrial Co., Ltd. · 2008
- Apparatus for generating alternating current power by direct current supply brush that rotates with field pole generator, and apparatus for generating direct current power1US 8,629,588 B22014