H05F
Static electricity
Official title: Static electricity; naturally-occurring electricity
H05F (Static electricity) appears on 1,319 US grants and 970 published applications in this corpus.
Search patents in H05F- Granted patents
- 1,319
- Published applications
- 970
- Assignees
- 769
- Inventors
- 2,602
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 15 | 0 |
| 1978 | 13 | 0 |
| 1979 | 9 | 0 |
| 1980 | 17 | 0 |
| 1981 | 14 | 0 |
| 1982 | 17 | 0 |
| 1983 | 17 | 0 |
| 1984 | 20 | 0 |
| 1985 | 24 | 0 |
| 1986 | 21 | 0 |
| 1987 | 22 | 0 |
| 1988 | 31 | 0 |
| 1989 | 36 | 0 |
| 1990 | 20 | 0 |
| 1991 | 22 | 0 |
| 1992 | 16 | 0 |
| 1993 | 28 | 0 |
| 1994 | 25 | 0 |
| 1995 | 31 | 0 |
| 1996 | 23 | 0 |
| 1997 | 29 | 0 |
| 1998 | 30 | 0 |
| 1999 | 28 | 0 |
| 2000 | 15 | 0 |
| 2001 | 18 | 7 |
| 2002 | 16 | 14 |
| 2003 | 15 | 12 |
| 2004 | 15 | 25 |
| 2005 | 13 | 15 |
| 2006 | 8 | 12 |
| 2007 | 14 | 17 |
| 2008 | 9 | 14 |
| 2009 | 9 | 13 |
| 2010 | 14 | 19 |
| 2011 | 7 | 19 |
| 2012 | 6 | 21 |
| 2013 | 14 | 39 |
| 2014 | 23 | 66 |
| 2015 | 50 | 72 |
| 2016 | 57 | 59 |
| 2017 | 64 | 68 |
| 2018 | 55 | 71 |
| 2019 | 65 | 50 |
| 2020 | 53 | 59 |
| 2021 | 46 | 55 |
| 2022 | 47 | 58 |
| 2023 | 47 | 54 |
| 2024 | 42 | 56 |
| 2025 | 48 | 45 |
| 2026 | 24 | 30 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
Recent patents
- Compositions and uses of trans-1,1,1,4,4,4-hexafluoro-2-butene and 1,1-difluoroethane (R-152A)15 Sep 2026US 12,734,388 B2The Chemours Company Fc, LLC
- Fluid device8 Sep 2026US 12,729,770 B2Surpass Industry Co., Ltd.
- Static discharge mitigation of vacuum cleaners1 Sep 2026US 12,721,490 B2Milwaukee Electric Tool Corporation
- Grounding system18 Aug 2026US 12,709,211 B2Caterpillar Inc.
- Static eliminator and static elimination system18 Aug 2026US 12,710,745 B2Keyence Corporation
- Substrate processing device and substrate processing method8 Oct 2026US 2026/0313777 A1Ulvac, Inc.
- Electrostatic Discharge Protection8 Oct 2026US 2026/0313778 A1Sensor Electronic Technology, Inc.
- Electrohydraulic dynamic shift arc extinguishing structure, arc extinguishing method, and application1 Oct 2026US 2026/0304581 A1Nanning Chaofu Electrical Technology Co., Ltd.
- Anti-static spiral spring for valve24 Sep 2026US 2026/0287035 A1Bray International, Inc.
- Ion balance sensor and static elimination system24 Sep 2026US 2026/0292964 A1Keyence Corporation
Most cited
By later US patents
- Electrically conductive power transmission belt314US 9,829,066 B2The Gates Corporation · 2017
- Method and apparatus for the electrostatic charging of a web or film195US 5,401,446 AThe University of Tennessee Research Corporation · 1995
- 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
- Apparatus and method for neutralizing static electric charges in sensitive manufacturing areas119US 4,477,263 A1984