H05H 1/3489
Means for contact starting
Official title: {Means for contact starting}
H05H1/3489 (Means for contact starting) appears on 133 US grants and 116 published applications in this corpus.
Search patents in H05H- Granted patents
- 133
- Published applications
- 116
- Assignees
- 37
- Inventors
- 154
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 10 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 4 | 5 |
| 2003 | 1 | 3 |
| 2004 | 5 | 10 |
| 2005 | 7 | 2 |
| 2006 | 8 | 3 |
| 2007 | 1 | 5 |
| 2008 | 2 | 4 |
| 2009 | 1 | 2 |
| 2010 | 2 | 2 |
| 2011 | 1 | 2 |
| 2012 | 6 | 9 |
| 2013 | 4 | 5 |
| 2014 | 5 | 2 |
| 2015 | 2 | 13 |
| 2016 | 8 | 9 |
| 2017 | 4 | 3 |
| 2018 | 6 | 10 |
| 2019 | 7 | 5 |
| 2020 | 10 | 4 |
| 2021 | 3 | 7 |
| 2022 | 4 | 1 |
| 2023 | 6 | 4 |
| 2024 | 1 | 1 |
| 2025 | 3 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Assembly for a plasma arc torch and method of operation of the assembly for a plasma arc torch28 Jul 2026US 12,696,371 B2Thermacut, K.S.
- Cost effective cartridge for a plasma arc torch24 Mar 2026US 12,583,051 B2Hypertherm, Inc.
- Swirl ring and contact element for a plasma arc torch cartridge22 Apr 2025US 12,280,441 B2Hypertherm, Inc.
- Consumable cartridge for a plasma arc cutting system15 Apr 2025US 12,275,082 B2Hypertherm, Inc.
- Configuring signal devices in thermal processing systems4 Feb 2025US 12,217,118 B2Hypertherm, Inc.
- Cost effective cartridge for a plasma arc torch25 Jun 2026US 2026/0175313 A1Hypertherm, Inc.
- Electrode for a contact-start plasma arc torch5 Mar 2026US 2026/0061511 A1Hypertherm, Inc.
- Systems and methods for high-speed plasma arc processing4 Sep 2025US 2025/0276400 A1Hypertherm, Inc.
- Consumable cartridge for a plasma arc cutting system21 Aug 2025US 2025/0262682 A1Hypertherm, Inc.
- Consumable cartridge for a plasma arc cutting system4 Apr 2024US 2024/0109147 A1Hypertherm, Inc.
Most cited
By later US patents
- Arc plasma torch and method using contact starting112US 4,791,268 AHypertherm, Inc. · 1988
- Integral spring consumables for plasma arc torch using blow forward contact starting system106US 5,897,795 AHypertherm, Inc. · 1999
- Plasma arc torch and method using blow forward contact starting system99US 5,994,663 AHypertherm, Inc. · 1999
- Apparatus and process for cooling a plasma arc electrode92US 4,902,871 AHypertherm, Inc. · 1990
- Plasma arc torch with vented flow nozzle retainer86US 6,084,199 AHypertherm, Inc. · 2000