H01B 17/52
Insulators or insulating bodies characterised by their form: having cleaning devices
Official title: having cleaning devices (H01B17/54 takes precedence)
H01B17/52 (Insulators or insulating bodies characterised by their form: having cleaning devices) appears on 21 US grants and 20 published applications in this corpus.
Search patents in H01B- Granted patents
- 21
- Published applications
- 20
- Assignees
- 20
- Inventors
- 68
- Latest grant
- 5 Mar 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 7 |
| 2012 | 1 | 1 |
| 2013 | 3 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 2 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 2 |
| 2020 | 0 | 1 |
| 2021 | 3 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Insulator shed having non-circular tip5 Mar 2024US 11,923,108 B2Hitachi Energy Ltd
- Extendable cleaning device for electrical insulators14 Jun 2022US 11,358,181 B2
- Electrical insulator manual cleaning device19 Oct 2021US 11,148,174 B1
- Insulator cleaner19 Oct 2021US 11,148,177 B2
- Shed housing27 Apr 2021US 10,991,488 B2Jiangsu Shenma Electric Co., Ltd.
- Multifunctional insulator cleaning device24 Sep 2026US 2026/0291189 A1Yunnan Electric Power Test and Research Institute (Group) Co., Ltd
- Insulator shed having non-circular tip13 Oct 2022US 2022/0328215 A1Hitachi Energy Switzerland AG
- Extendable Cleaning Device for Electrical Insulators9 Dec 2021US 2021/0379626 A1
- Insulator cleaner27 Feb 2020US 2020/0061676 A1
- High-voltage insulator having an arc protection ring26 Dec 2019US 2019/0392965 A1
Most cited
By later US patents
- Insulator housing made from polymeric materials and having spirally arranged inner sheds and water sheds25US 4,833,278 AHyrdro-Quebec · 1989
- Cap for insulator support housing9US 4,700,014 ACombustion Engineering, Inc. · 1987
- Apparatus for manufacturing a plastic insulator equipped with helical-shaped shields7US 4,265,607 A1981
- Arrangement for preventing the formation of a foreign layer on a high-voltage insulator5US 4,388,487 ASiemens Aktiengesellschaft · 1983
- Apparatus for checking the contamination condition of electric insulators5US 5,386,192 AENEL-Ente Nationale per l'Energia Elettrica · 1995