H05H 1/47
Using corona discharges
Official title: {using corona discharges}
H05H1/47 (Using corona discharges) appears on 210 US grants and 282 published applications in this corpus.
Search patents in H05H- Granted patents
- 210
- Published applications
- 282
- Assignees
- 178
- Inventors
- 529
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 2 |
| 2002 | 5 | 6 |
| 2003 | 6 | 7 |
| 2004 | 9 | 12 |
| 2005 | 5 | 9 |
| 2006 | 6 | 10 |
| 2007 | 8 | 13 |
| 2008 | 3 | 5 |
| 2009 | 10 | 8 |
| 2010 | 2 | 8 |
| 2011 | 3 | 11 |
| 2012 | 4 | 10 |
| 2013 | 6 | 8 |
| 2014 | 6 | 7 |
| 2015 | 8 | 16 |
| 2016 | 14 | 15 |
| 2017 | 14 | 9 |
| 2018 | 6 | 10 |
| 2019 | 9 | 43 |
| 2020 | 6 | 15 |
| 2021 | 15 | 14 |
| 2022 | 8 | 11 |
| 2023 | 12 | 12 |
| 2024 | 13 | 6 |
| 2025 | 9 | 9 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for ozone degradation for a plasma treatment system14 Apr 2026US 12,600,626 B2Illinois Tool Works Inc.
- Plasma generation device and facility for manufacturing electrode assembly including the same17 Feb 2026US 12,552,150 B2LG Energy Solution, Ltd.
- Device for reducing pollutants in indoor air, ambient air, or exhaust gas by using nonthermal plasma6 Jan 2026US 12,515,168 B2Prime Solution, Inc.
- Control system having lighting function and plasma generation function6 Jan 2026US 12,520,395 B2Valkida Co., Ltd.
- Plasma generator for secondary battery and lamination system comprising the same11 Nov 2025US 12,469,869 B2LG Energy Solution, Ltd.
- Device and method for generating electroplasmic heat16 Jul 2026US 2026/0206105 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Active oxygen treatment device, treatment method using active oxygen, and ozone ufb-containing liquid producing device25 Jun 2026US 2026/0176178 A1Canon Kabushiki Kaisha
- Low frequency ozone generator23 Apr 2026US 2026/0109601 A1Primozone Production AB
- Module for generating high-density plasma in direct type23 Apr 2026US 2026/0113832 A1Gmd Biotech, Inc.
- Corona treatment apparatus19 Feb 2026US 2026/0048593 A1Canon Production Printing Holding B. V.
Most cited
By later US patents
- Quantum energy surgical device and method535US 6,475,215 B12002
- Quantum energy surgical device and method159US 6,780,184 B22004
- Apparatus for rapid plasma treatments and method138US 5,224,441 AThe BOC Group, Inc. · 1993
- Dielectric-coated electrode, plasma discharge treatment apparatus and method for forming thin film116US 7,281,491 B2Konica Corporation · 2007
- Atmospheric pressure ion source84US 6,949,741 B2Jeol USA, Inc. · 2005