H05H 1/40
Using applied magnetic fields
Official title: using applied magnetic fields, e.g. for focusing or rotating the arc {(cf. B23K9/08, B23K9/073)}
H05H1/40 (Using applied magnetic fields) appears on 70 US grants and 34 published applications in this corpus.
Search patents in H05H- Granted patents
- 70
- Published applications
- 34
- Assignees
- 59
- Inventors
- 168
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 6 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 2 | 3 |
| 2014 | 0 | 1 |
| 2015 | 2 | 4 |
| 2016 | 2 | 1 |
| 2017 | 2 | 1 |
| 2018 | 1 | 0 |
| 2019 | 1 | 4 |
| 2020 | 1 | 3 |
| 2021 | 1 | 4 |
| 2022 | 3 | 2 |
| 2023 | 1 | 1 |
| 2024 | 4 | 2 |
| 2025 | 2 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Plasma torch, plasma spraying device, and method for controlling plasma torch18 Aug 2026US 12,713,512 B2Kinboshi Inc.
- System and method for generating and containing a plasma9 Jun 2026US 12,652,745 B2
- Device and process for the production of hydrogen and solid carbon from C1- to C4-alkane containing gas8 Apr 2025US 12,269,740 B2Uniper Kraftwerke GmbH
- Systems and methods for generating plasma shields4 Feb 2025US 12,214,443 B2Saudi Arabian Oil Company
- Nitrogen oxide reduction apparatus and gas treating apparatus14 May 2024US 11,985,754 B2Edwards Korea Ltd.
- A hybrid welding system and method with overall electrical insulation and thermal conductivity and cooling26 Mar 2026US 2026/0084250 A1Weldobot Ltd.
- Magnetic Venturi23 Oct 2025US 2025/0331094 A1UNM Rainforest Innovations
- Plasma Torch, Plasma Spraying Device, and Method for Controlling Plasma Torch16 Oct 2025US 2025/0324506 A1Kinboshi Inc.
- System And Method For Generating And Containing A Plasma12 Dec 2024US 2024/0414833 A1Plassein Technologies Ltd. LLC
- Systems and methods for generating plasma shields11 Jul 2024US 2024/0227076 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Spacecraft optimized arc rocket67US 4,577,461 A1986
- Plasma etching using improved electrode60US 4,297,162 ATexas Instruments Incorporated · 1981
- Portable plasma sterilizer58US 7,777,151 B2Adventix Technologies Inc. · 2010
- Hybrid non-transferred-arc plasma torch system and method of operating same57US 4,626,648 A1986
- Process for preparing finely-divided refractory powders54US 4,022,872 APPG Industries, Inc. · 1977