H05H 1/3457
Nozzle protection devices
Official title: {Nozzle protection devices}
H05H1/3457 (Nozzle protection devices) appears on 159 US grants and 149 published applications in this corpus.
Search patents in H05H- Granted patents
- 159
- Published applications
- 149
- Assignees
- 56
- Inventors
- 266
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 5 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 5 |
| 2005 | 2 | 3 |
| 2006 | 1 | 3 |
| 2007 | 2 | 6 |
| 2008 | 2 | 4 |
| 2009 | 2 | 7 |
| 2010 | 4 | 7 |
| 2011 | 2 | 4 |
| 2012 | 5 | 11 |
| 2013 | 8 | 5 |
| 2014 | 9 | 6 |
| 2015 | 11 | 16 |
| 2016 | 6 | 11 |
| 2017 | 11 | 11 |
| 2018 | 7 | 5 |
| 2019 | 10 | 3 |
| 2020 | 9 | 9 |
| 2021 | 4 | 6 |
| 2022 | 4 | 8 |
| 2023 | 4 | 7 |
| 2024 | 6 | 4 |
| 2025 | 4 | 3 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cost effective cartridge for a plasma arc torch24 Mar 2026US 12,583,051 B2Hypertherm, Inc.
- Cartridge for a liquid-cooled plasma arc torch10 Mar 2026US 12,575,016 B2Hypertherm, Inc.
- Methods for operating a plasma torch17 Feb 2026US 12,557,205 B2The ESAB Group, Inc.
- Coated nozzles for arc torches25 Nov 2025US 12,484,138 B2Kennametal Inc.
- Jacket for a cartridge of a liquid-cooled plasma arc torch21 Oct 2025US 12,447,548 B2Hypertherm, Inc.
- Cost effective cartridge for a plasma arc torch25 Jun 2026US 2026/0175313 A1Hypertherm, Inc.
- Methods for operating a plasma torch11 Jun 2026US 2026/0164529 A1The ESAB Group, Inc.
- Component such as a wearing part for an arc torch, in particular a plasma burner or plasma cutting torch, arc torch comprising same, and method of plasma cutting2 Apr 2026US 2026/0091442 A1Kjellberg-Stiftung
- Jacket for a cartridge of a liquid-cooled plasma arc torch15 Jan 2026US 2026/0014637 A1Hypertherm, Inc.
- Consumable cartridge for a plasma arc cutting system21 Aug 2025US 2025/0262682 A1Hypertherm, Inc.
Most cited
By later US patents
- Arc torch nozzle shield for plasma117US 5,132,512 AHypertherm, Inc. · 1992
- Integral spring consumables for plasma arc torch using blow forward contact starting system106US 5,897,795 AHypertherm, Inc. · 1999
- Plasma arc cutting process and apparatus using an oxygen-rich gas shield104US 5,695,662 AHypertherm, Inc. · 1997
- Plasma arc torch with vented flow nozzle retainer86US 6,084,199 AHypertherm, Inc. · 2000
- Nozzle and method of operation for a plasma arc torch81US 5,317,126 AHypertherm, Inc. · 1994