H01B 17/02
Suspension insulators
Official title: Suspension insulators; Strain insulators
H01B17/02 (Suspension insulators) appears on 99 US grants and 65 published applications in this corpus.
Search patents in H01B- Granted patents
- 99
- Published applications
- 65
- Assignees
- 66
- Inventors
- 229
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 1 | 3 |
| 2010 | 2 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 3 |
| 2013 | 0 | 2 |
| 2014 | 3 | 5 |
| 2015 | 3 | 4 |
| 2016 | 1 | 5 |
| 2017 | 5 | 2 |
| 2018 | 5 | 5 |
| 2019 | 4 | 5 |
| 2020 | 0 | 2 |
| 2021 | 3 | 3 |
| 2022 | 7 | 6 |
| 2023 | 3 | 6 |
| 2024 | 5 | 3 |
| 2025 | 3 | 2 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Gain base for power distribution systems18 Aug 2026US 12,710,134 B2Marmon Utility LLC
- Conductor latch for in-line disconnect switch24 Mar 2026US 12,586,742 B2Hubbell Incorporated
- Grounding structure, method for assembling grounding structure and gas-insulated transmission line2 Sep 2025US 12,407,151 B2Hitachi Energy Ltd
- Composite crossarm and power transmission tower26 Aug 2025US 12,398,576 B2Jiangsu Shemar Electric Co., Ltd.
- Large-tonnage disc-shaped suspension ceramic insulator and prestressing assembling device and method for same8 Jul 2025US 12,354,766 B2Chaohu University
- Wiring member24 Sep 2026US 2026/0290654 A1Sumitomo Wiring Systems, Ltd.
- Insulator2 Jul 2026US 2026/0188541 A1NGK Insulators, Ltd.
- Moisture shedding electrical insulators for use in power transmission and distribution lines9 Apr 2026US 2026/0100297 A1
- Insulator for aerial electrical lines with a mechanical load detection device11 Dec 2025US 2025/0378976 A1Sediver
- Large-tonnage disc-shaped suspension ceramic insulator and prestressing assembling device and method for same8 May 2025US 2025/0149207 A1Chaohu University
Most cited
By later US patents
- Composite insulator structure and method of construction30US 5,374,780 AMacLean-Fogg Company · 1994
- 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
- Insulator with fiber optic communication channel22US 4,610,033 AHarvey Hubbell Incorporated · 1986
- Composite electrical insulator22US 5,563,379 ANGK Insulators, Ltd. · 1996