H05H 1/32
Using an arc
Official title: using an arc (H05H1/28 takes precedence)
H05H1/32 (Using an arc) appears on 1,667 US grants and 1,333 published applications in this corpus.
Search patents in H05H- Granted patents
- 1,667
- Published applications
- 1,333
- Assignees
- 698
- Inventors
- 2,691
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 22 | 0 |
| 1978 | 20 | 0 |
| 1979 | 18 | 0 |
| 1980 | 16 | 0 |
| 1981 | 5 | 0 |
| 1982 | 9 | 0 |
| 1983 | 12 | 0 |
| 1984 | 12 | 0 |
| 1985 | 12 | 0 |
| 1986 | 31 | 0 |
| 1987 | 37 | 0 |
| 1988 | 23 | 0 |
| 1989 | 29 | 0 |
| 1990 | 29 | 0 |
| 1991 | 24 | 0 |
| 1992 | 27 | 0 |
| 1993 | 46 | 0 |
| 1994 | 32 | 0 |
| 1995 | 28 | 0 |
| 1996 | 21 | 0 |
| 1997 | 31 | 0 |
| 1998 | 39 | 0 |
| 1999 | 34 | 0 |
| 2000 | 34 | 0 |
| 2001 | 36 | 7 |
| 2002 | 31 | 23 |
| 2003 | 20 | 28 |
| 2004 | 24 | 41 |
| 2005 | 32 | 42 |
| 2006 | 34 | 46 |
| 2007 | 13 | 43 |
| 2008 | 23 | 43 |
| 2009 | 21 | 44 |
| 2010 | 24 | 51 |
| 2011 | 21 | 44 |
| 2012 | 41 | 67 |
| 2013 | 52 | 53 |
| 2014 | 61 | 77 |
| 2015 | 58 | 101 |
| 2016 | 64 | 67 |
| 2017 | 81 | 81 |
| 2018 | 46 | 65 |
| 2019 | 67 | 54 |
| 2020 | 74 | 62 |
| 2021 | 44 | 69 |
| 2022 | 37 | 49 |
| 2023 | 36 | 52 |
| 2024 | 54 | 50 |
| 2025 | 38 | 36 |
| 2026 | 28 | 38 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Plasma apparatus and methods for processing feed material utilizing an upstream swirl module and composite gas flows25 Aug 2026US 12,719,024 B26K Inc.
- Plasma torch, plasma spraying device, and method for controlling plasma torch18 Aug 2026US 12,713,512 B2Kinboshi Inc.
- Electrode for a plasma cutting torch, assembly having said electrode, plasma cutting torch having said electrode, and method for plasma cutting4 Aug 2026US 12,701,648 B1Kjellberg-Stiftung
- Sealing glass ampules using electricity generated plasma arc28 Jul 2026US 12,692,183 B2
- Plasma arc torch with focus hole alignment28 Jul 2026US 12,696,370 B2Linde Aktiengesellschaft
- Intravascular device including high voltage coaxial conductor wiring1 Oct 2026US 2026/0295712 A1Biosense Webster (Israel) Ltd.
- Method and apparatus for producing metallic silicon1 Oct 2026US 2026/0297732 A1Honda Motor Co., Ltd.
- Adapter for consumable elements of a plasma torch1 Oct 2026US 2026/0304586 A1Tecmo Kabushiki Kaisha
- Verifying a repair of a plasma torch1 Oct 2026US 2026/0304587 A1Toyota Jidosha Kabushiki Kaisha
- An arc reaction engine and method of use20 Aug 2026US 2026/0243170 A1Ace Vtol Pty Ltd
Most cited
By later US patents
- Electrosurgical method and apparatus for initiating an electrical discharge in an inert gas flow317US 4,040,426 AValleylab, Inc. · 1977
- Fast quench reactor method295US 5,935,293 ALockheed Martin Idaho Technologies Company · 1999
- Modular, stackable plasma cutting apparatus294US 5,189,277 AThermal Dynamics Corporation · 1993
- Method and device for plasma coating surfaces251US 6,800,336 B12004
- Fast quench reactor and method231US 5,749,937 ALockheed Idaho Technologies Company · 1998