H01H 3/20
Wherein an auxiliary movement thereof, or of an attachment thereto, is necessary
Official title: wherein an auxiliary movement thereof, or of an attachment thereto, is necessary before the main movement is possible or effective, e.g. for unlatching, for coupling
H01H3/20 (Wherein an auxiliary movement thereof, or of an attachment thereto, is necessary) appears on 306 US grants and 191 published applications in this corpus.
Search patents in H01H- Granted patents
- 306
- Published applications
- 191
- Assignees
- 202
- Inventors
- 641
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 7 | 0 |
| 1991 | 6 | 0 |
| 1992 | 3 | 0 |
| 1993 | 7 | 0 |
| 1994 | 3 | 0 |
| 1995 | 10 | 0 |
| 1996 | 5 | 0 |
| 1997 | 7 | 0 |
| 1998 | 7 | 0 |
| 1999 | 7 | 0 |
| 2000 | 8 | 0 |
| 2001 | 10 | 1 |
| 2002 | 6 | 8 |
| 2003 | 11 | 7 |
| 2004 | 9 | 7 |
| 2005 | 8 | 5 |
| 2006 | 3 | 10 |
| 2007 | 7 | 6 |
| 2008 | 3 | 9 |
| 2009 | 6 | 6 |
| 2010 | 6 | 7 |
| 2011 | 5 | 6 |
| 2012 | 9 | 6 |
| 2013 | 5 | 9 |
| 2014 | 8 | 12 |
| 2015 | 6 | 10 |
| 2016 | 12 | 10 |
| 2017 | 6 | 4 |
| 2018 | 9 | 8 |
| 2019 | 6 | 6 |
| 2020 | 5 | 9 |
| 2021 | 16 | 13 |
| 2022 | 7 | 11 |
| 2023 | 9 | 2 |
| 2024 | 5 | 8 |
| 2025 | 3 | 4 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Handheld power tool16 Jun 2026US 12,658,380 B2Husqvarna AB
- Trigger activated tools having activation lockouts2 Jun 2026US 12,646,662 B2Hubbell Incorporated
- Power tool28 Apr 2026US 12,611,758 B2Milwaukee Electric Tool Corporation
- Operating lever mechanism for electric handheld working machine7 Apr 2026US 12,594,661 B2Yamabiko Corporation
- Flip guard safety systems for aircraft switches25 Nov 2025US 12,482,614 B2Textron Innovations Inc.
- Electrical wiring device assemblies with easy to clean surfaces1 Oct 2026US 2026/0302096 A1Pass & Seymour, Inc.
- Operation input device6 Aug 2026US 2026/0229427 A1MINEBEA MITSUMI Inc.
- Switch cover assemblies23 Jul 2026US 2026/0210537 A1
- Handle of industrial cut-off switch with improved safety using multiple locks23 Apr 2026US 2026/0112562 A1Hyundai Tech Co., Ltd.
- Emergency system for patient lifts and method thereof2 Apr 2026US 2026/0090939 A1
Most cited
By later US patents
- Modular cordless tools722US 3,973,179 AThe Black and Decker Manufacturing Company · 1976
- Safety device for a powered surgical instrument176US 5,383,875 AZimmer, Inc. · 1995
- Conscious effort safety switch150US 4,947,009 AMcGill Manufacturing Company, Inc. · 1990
- Control knob and control panel107US 7,285,738 B2Whirlpool Corporation · 2007
- Firearms with target illuminators106US 6,378,237 B1SureFire, LLC · 2002