H05F 3/02
Carrying-off electrostatic charges: by means of earthing connections
Official title: by means of earthing connections
H05F3/02 (Carrying-off electrostatic charges: by means of earthing connections) appears on 590 US grants and 420 published applications in this corpus.
Search patents in H05F- Granted patents
- 590
- Published applications
- 420
- Assignees
- 412
- Inventors
- 1,182
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 5 | 0 |
| 1980 | 3 | 0 |
| 1981 | 9 | 0 |
| 1982 | 8 | 0 |
| 1983 | 10 | 0 |
| 1984 | 11 | 0 |
| 1985 | 13 | 0 |
| 1986 | 15 | 0 |
| 1987 | 14 | 0 |
| 1988 | 20 | 0 |
| 1989 | 21 | 0 |
| 1990 | 14 | 0 |
| 1991 | 12 | 0 |
| 1992 | 10 | 0 |
| 1993 | 9 | 0 |
| 1994 | 11 | 0 |
| 1995 | 12 | 0 |
| 1996 | 5 | 0 |
| 1997 | 12 | 0 |
| 1998 | 13 | 0 |
| 1999 | 11 | 0 |
| 2000 | 5 | 0 |
| 2001 | 8 | 3 |
| 2002 | 8 | 10 |
| 2003 | 7 | 5 |
| 2004 | 8 | 13 |
| 2005 | 7 | 10 |
| 2006 | 4 | 6 |
| 2007 | 10 | 8 |
| 2008 | 5 | 7 |
| 2009 | 4 | 6 |
| 2010 | 5 | 7 |
| 2011 | 3 | 6 |
| 2012 | 3 | 10 |
| 2013 | 4 | 12 |
| 2014 | 8 | 12 |
| 2015 | 20 | 22 |
| 2016 | 17 | 18 |
| 2017 | 14 | 31 |
| 2018 | 28 | 36 |
| 2019 | 32 | 23 |
| 2020 | 22 | 22 |
| 2021 | 17 | 24 |
| 2022 | 22 | 25 |
| 2023 | 20 | 35 |
| 2024 | 16 | 29 |
| 2025 | 24 | 26 |
| 2026 | 16 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fluid device8 Sep 2026US 12,729,770 B2Surpass Industry Co., Ltd.
- Grounding system18 Aug 2026US 12,709,211 B2Caterpillar Inc.
- Electro-static discharge protection structure and electronic device11 Aug 2026US 12,707,552 B2Honor Device Co., Ltd.
- Blender28 Jul 2026US 12,690,720 B2LG Electronics Inc.
- Powder bridging breaker14 Jul 2026US 12,679,631 B2
- Anti-static spiral spring for valve24 Sep 2026US 2026/0287035 A1Bray International, Inc.
- Electrostatic discharge mitigation of vacuum cleaners18 Jun 2026US 2026/0165548 A1Milwaukee Electric Tool Corporation
- Fluid device11 Jun 2026US 2026/0160343 A1Surpass Industry Co., Ltd.
- Coupling device28 May 2026US 2026/0146694 A1Surpass Industry Co., Ltd.
- Airflow device and blower vacuum28 May 2026US 2026/0150172 A1Nanjing Chervon Industry Co., Ltd.
Most cited
By later US patents
- Conductive laminate flooring134US 4,724,187 ANevamar Corporation · 1988
- Minimizing paper waste carousel-style dispenser apparatus, sensor, method and system with proximity sensor132US 6,592,067 B2Georgia-Pacific Corporation · 2003
- Proximity detection circuit and method of detecting small capacitance changes116US 6,838,887 B2Georgia-Pacific Corporation · 2005
- Static build up control in electronic dispensing systems108US 6,871,815 B2Georgia-Pacific Corporation · 2005
- Integral lightning protection system for composite aircraft skins105US 4,502,092 AThe Boeing Company · 1985