H01B 17/325
Comprising a fibre-reinforced insulating core member
Official title: {comprising a fibre-reinforced insulating core member}
H01B17/325 (Comprising a fibre-reinforced insulating core member) appears on 60 US grants and 45 published applications in this corpus.
Search patents in H01B- Granted patents
- 60
- Published applications
- 45
- Assignees
- 40
- Inventors
- 131
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 2 |
| 2002 | 5 | 3 |
| 2003 | 2 | 4 |
| 2004 | 6 | 5 |
| 2005 | 6 | 6 |
| 2006 | 2 | 2 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 2 |
| 2012 | 0 | 2 |
| 2013 | 0 | 1 |
| 2014 | 5 | 3 |
| 2015 | 0 | 4 |
| 2016 | 3 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 2 |
| 2019 | 3 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 2 |
| 2022 | 2 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Insulator for high-voltage applications23 Sep 2025US 12,424,352 B2Maschinenfabrik Reinhausen GmbH
- Insulator with resistivity gradient24 Oct 2023US 11,798,711 B2Hitachi Energy Switzerland AG
- Electrical device having an insertable high-voltage bushing11 Oct 2022US 11,469,014 B2Siemens Energy Global GmbH & Co. KG
- Moisture seal for high voltage insulator18 Jan 2022US 11,227,708 B2Marmon Utility LLC
- Strut insulators26 Jan 2021US 10,899,249 B2AFL Telecommunications LLC
- Moisture shedding electrical insulators for use in power transmission and distribution lines9 Apr 2026US 2026/0100297 A1
- Insulator for high-voltage applications9 May 2024US 2024/0153675 A1Maschinenfabrik Reinhausen GmbH
- Insulator with resistivity gradient2 Sep 2021US 2021/0272723 A1ABB Power Grids Switzerland AG
- Moisture Seal for High Voltage Insulator28 Jan 2021US 2021/0027920 A1Marmon Utility LLC
- Insertable high-voltage bushing and electrical device having an insertable high-voltage bushing13 Aug 2020US 2020/0258661 A1Siemens Aktiengesellschaft
Most cited
By later US patents
- Insulator structure and method of construction30US 5,406,033 AMacLean-Fogg Company · 1995
- Composite insulator and method for its manufacture27US 5,220,134 ASociete Nouvelle des Etablissements Dervaux · 1993
- Composite insulator24US 6,972,378 B2MacLean-Fogg Company · 2005
- Conical composite SF.sub.6 high voltage bushing with floating shield23US 5,466,891 AABB Power T&D Company Inc. · 1995
- Indicators for early detection of potential failures due to water exposure of polymer-clad fiberglass23US 7,002,079 B2Electric Power Research Institute, Inc. · 2006