H05H 1/36
Circuit arrangements
Official title: Circuit arrangements (H05H1/38, H05H1/40 take precedence)
H05H1/36 (Circuit arrangements) appears on 279 US grants and 201 published applications in this corpus.
Search patents in H05H- Granted patents
- 279
- Published applications
- 201
- Assignees
- 148
- Inventors
- 515
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 7 | 0 |
| 1987 | 9 | 0 |
| 1988 | 5 | 0 |
| 1989 | 8 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 7 | 0 |
| 1994 | 7 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 10 | 0 |
| 1999 | 7 | 0 |
| 2000 | 5 | 0 |
| 2001 | 8 | 2 |
| 2002 | 4 | 1 |
| 2003 | 1 | 5 |
| 2004 | 11 | 6 |
| 2005 | 5 | 8 |
| 2006 | 8 | 10 |
| 2007 | 2 | 3 |
| 2008 | 3 | 11 |
| 2009 | 4 | 9 |
| 2010 | 5 | 5 |
| 2011 | 3 | 6 |
| 2012 | 5 | 8 |
| 2013 | 6 | 2 |
| 2014 | 10 | 5 |
| 2015 | 4 | 12 |
| 2016 | 9 | 7 |
| 2017 | 10 | 21 |
| 2018 | 4 | 15 |
| 2019 | 10 | 9 |
| 2020 | 18 | 18 |
| 2021 | 8 | 13 |
| 2022 | 8 | 5 |
| 2023 | 13 | 5 |
| 2024 | 8 | 7 |
| 2025 | 8 | 6 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sealing glass ampules using electricity generated plasma arc28 Jul 2026US 12,692,183 B2
- System and method for generating and containing a plasma9 Jun 2026US 12,652,745 B2
- Electrode arrangement12 May 2026US 12,628,262 B2Freiburger Medizintechnik GmbH
- Plasma torch device component monitoring21 Apr 2026US 12,610,448 B2Edwards Limited
- IGBT temperature dampening systems and methods11 Nov 2025US 12,471,260 B2The ESAB Group, Inc.
- Efficient Plasma Driving30 Apr 2026US 2026/0122751 A1EHT Ventures LLC
- Systems and methods for operating a torch based on a physical formation of a torch component1 Jan 2026US 2026/0006710 A1The ESAB Group, Inc.
- Systems and methods for conditioning a gas flow in a plasma processing system18 Dec 2025US 2025/0386417 A1Hypertherm, Inc.
- Systems and methods for arc detection and handling using impedance data18 Sep 2025US 2025/0294663 A1Advanced Energy Industries, Inc.
- Systems and methods for high-speed plasma arc processing4 Sep 2025US 2025/0276400 A1Hypertherm, Inc.
Most cited
By later US patents
- Modular, stackable plasma cutting apparatus294US 5,189,277 AThermal Dynamics Corporation · 1993
- Method and apparatus for generating induced plasma100US 5,680,014 AFuji Electric Co., Ltd. · 1997
- Combined process and automatic installation for plasma-jet marking and cutting or welding, in particular of metals94US 6,236,013 B1La Soudure Autogene Francaise · 2001
- Plasma torch with identification circuit90US 5,208,436 AThe Lincoln Electric Company · 1993
- Method of and apparatus for igniting a plasma in an r.f. plasma processor89US 5,982,099 ALam Research Corporation · 1999