H01H 2009/0022
Mounting of the fixed contacts or taps on cylindrical wall of oil
Official title: {Mounting of the fixed contacts or taps on cylindrical wall of oil vessel containing the tap changer; Details of screening}
H01H2009/0022 (Mounting of the fixed contacts or taps on cylindrical wall of oil) appears on 9 US grants and 10 published applications in this corpus.
Search patents in H01H- Granted patents
- 9
- Published applications
- 10
- Assignees
- 7
- Inventors
- 35
- Latest grant
- 12 Nov 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 4 |
| 2017 | 3 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 2 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Switch for an on-load tap changer and load transfer switch for an on-load tap changer12 Nov 2024US 12,142,448 B2Maschinenfabrik Reinhausen GmbH
- On-load tap changer16 Oct 2018US 10,102,990 B2Maschinenfabrik Reinhausen GmbH
- On-load tap changer for dry transformers and dry transformer19 Sep 2017US 9,766,641 B2ABB Schweiz AG
- Selector switch for tap-changing transformers and support arm for a tap selector thereof2 May 2017US 9,640,340 B2Maschinenfabrik Reinhausen GmbH
- On-load tap changer2 May 2017US 9,640,341 B2Maschinenfabrik Reinhausen GmbH
- A tap changer and a transformer arrangement comprising the tap changer17 Aug 2023US 2023/0260695 A1ABB Power Grids Switzerland AG
- Switch for an on-load tap changer and load transfer switch for an on-load tap changer9 Feb 2023US 2023/0045653 A1Maschinenfabrik Reinhausen GmbH
- On-load tap changing apparatus and on-load tap changing system6 Feb 2020US 2020/0043650 A1Kabushiki Kaisha Toshiba
- On-load tap changer23 Jun 2016US 2016/0181025 A1Maschinenfabrik Reinhausen GmbH
- Selector switch for tap-changing transformers and support arm for a tap selector thereof12 May 2016US 2016/0133399 A1Maschinenfabrik Reinhausen GmbH
Most cited
By later US patents
- On-load tap changer4US 10,102,990 B2Maschinenfabrik Reinhausen GmbH · 2018
- Contact assembly on a preselector2US 6,495,779 B1Maschinenfabrik Reinhausen GmbH · 2002
- On-load tap changer2US 9,640,341 B2Maschinenfabrik Reinhausen GmbH · 2017
- Contact assembly for selector of step transformer1US 5,374,781 AMaschinenbaufabrik Reinhausen GmbH · 1994
- Contact arrangement1US 7,497,745 B2Maschinenfabrik Reinhausen GmbH · 2009