H01H 33/66261
Specific screen details
Official title: {Specific screen details, e.g. mounting, materials, multiple screens or specific electrical field considerations}
H01H33/66261 (Specific screen details) appears on 184 US grants and 122 published applications in this corpus.
Search patents in H01H- Granted patents
- 184
- Published applications
- 122
- Assignees
- 62
- Inventors
- 368
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 7 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 3 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 6 | 0 |
| 1985 | 6 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 6 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 3 |
| 2002 | 3 | 1 |
| 2003 | 4 | 4 |
| 2004 | 2 | 1 |
| 2005 | 3 | 5 |
| 2006 | 0 | 2 |
| 2007 | 4 | 2 |
| 2008 | 0 | 7 |
| 2009 | 1 | 2 |
| 2010 | 5 | 5 |
| 2011 | 3 | 3 |
| 2012 | 4 | 4 |
| 2013 | 3 | 10 |
| 2014 | 5 | 8 |
| 2015 | 12 | 8 |
| 2016 | 8 | 4 |
| 2017 | 6 | 2 |
| 2018 | 5 | 3 |
| 2019 | 2 | 6 |
| 2020 | 6 | 8 |
| 2021 | 6 | 5 |
| 2022 | 5 | 4 |
| 2023 | 5 | 5 |
| 2024 | 3 | 10 |
| 2025 | 6 | 4 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01H 2033/66276Details relating to the mounting of screens in vacuum switchesIndexing code65
- H01H 2033/66284Details relating to the electrical field properties of screens in vacuum switchesIndexing code43
- H01H 2033/66292Details relating to the use of multiple screens in vacuum switchesIndexing code43
- H01H 2033/66269Details relating to the materials used for screens in vacuum switchesIndexing code32
Recent patents
- Overmolded electrical device with low electrical stress parting lines29 Sep 2026US 12,749,637 B2G & W Electric Company
- Vacuum interrupter with vacuum device shield1 Sep 2026US 12,725,746 B2S&C Electric Company
- Vacuum circuit breaker25 Aug 2026US 12,718,997 B2Mitsubishi Electric Corporation
- Device, system, and method for high voltage switch28 Apr 2026US 12,614,685 B2Power Grid Components, Inc.
- Vacuum interrupter15 Jul 2025US 12,362,115 B2Meidensha Corporation
- Non-metal shields and use of foamy materials in vacuum interrupter, and switchgear employing same24 Sep 2026US 2026/0290727 A1
- Welding arc-enduring component to structural or mechanical component for assembly of vacuum interrupter30 Jul 2026US 2026/0221359 A1
- Vacuum Circuit Breaker and Heat Transfer Assembly Therefor28 May 2026US 2026/0148914 A1Mitsubishi Electric Power Products, Inc.
- Vacuum interrupter for switching voltages21 May 2026US 2026/0142104 A1Siemens Energy Global GmbH & Co. KG
- Single-part shield produced by tensile compressive forming26 Mar 2026US 2026/0088199 A1Siemens Energy Global GmbH & Co. KG
Most cited
By later US patents
- High voltage vacuum type circuit interrupter121US 4,568,804 AJoslyn Mfg. and Supply Co. · 1986
- Solid insulator-type vacuum switch gear35US 4,618,749 AVEB Otto Buchwitz Starkstrom Anlagebau Dresden · 1986
- Grading ring insert assembly33US 5,736,705 ACooper Industries, Inc. · 1998
- Vacuum power interrupter27US 4,077,114 AKabushiki Kaisha Gemvac · 1978
- Retainer, vacuum interrupter, and electrical switching apparatus including the same26US 8,269,130 B2Eaton Corporation · 2012