H01S 3/0404
Air- or gas cooling
Official title: {Air- or gas cooling, e.g. by dry nitrogen}
H01S3/0404 (Air- or gas cooling) appears on 146 US grants and 148 published applications in this corpus.
Search patents in H01S- Granted patents
- 146
- Published applications
- 148
- Assignees
- 87
- Inventors
- 369
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 17 |
| 2003 | 9 | 6 |
| 2004 | 9 | 10 |
| 2005 | 5 | 11 |
| 2006 | 9 | 4 |
| 2007 | 6 | 1 |
| 2008 | 4 | 4 |
| 2009 | 4 | 6 |
| 2010 | 4 | 2 |
| 2011 | 1 | 0 |
| 2012 | 1 | 6 |
| 2013 | 5 | 3 |
| 2014 | 3 | 9 |
| 2015 | 9 | 9 |
| 2016 | 6 | 5 |
| 2017 | 5 | 5 |
| 2018 | 6 | 6 |
| 2019 | 7 | 7 |
| 2020 | 5 | 9 |
| 2021 | 6 | 9 |
| 2022 | 6 | 3 |
| 2023 | 2 | 2 |
| 2024 | 1 | 5 |
| 2025 | 4 | 6 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Laser processing apparatus23 Jun 2026US 12,665,372 B2Brother Kogyo Kabushiki Kaisha
- Apparatus and method for emitting multi-wavelength laser14 Apr 2026US 12,603,470 B2Wontech Co., Ltd.
- Continuous wave output in a laser system arranged for pulsed output9 Dec 2025US 12,494,614 B2nLIGHT, Inc.
- Modular compact high energy laser system22 Apr 2025US 12,283,787 B2Booz Allen Hamilton Inc.
- Electromagnetic radiation steering mechanism11 Feb 2025US 12,220,932 B2Alltec Angewandte Laserlicht Technologie GmbH
- Compression-refrigeration fiber laser10 Sep 2026US 2026/0269554 A1Gw (Shanghai) Laser Technology Co., Ltd.
- Detection assembly, laser assembly, and laser processing equipment7 May 2026US 2026/0124703 A1Shenzhen Creality 3D Technology Co., Ltd.
- Extreme-cold high-power laser system7 May 2026US 2026/0128562 A1University of Central Florida Research Foundation, Inc.
- Electromagnetic radiation steering mechanism10 Jul 2025US 2025/0222709 A1Alltec Angewandte Laserlicht Technologie GmbH
- Optics protective ejection cooler22 May 2025US 2025/0167504 A1Agency for Defense Development
Most cited
By later US patents
- Very narrow band, two chamber, high rep rate gas discharge laser system144US 6,567,450 B2Cymer, Inc. · 2003
- Very narrow band, two chamber, high rep rate gas discharge laser system136US 6,625,191 B2Cymer, Inc. · 2003
- Extreme repetition rate gas discharge laser with improved blower motor101US 6,477,193 B2Cymer, Inc. · 2002
- Laser spectral engineering for lithographic process80US 6,671,294 B2Cymer, Inc. · 2003
- Laser lithography light source with beam delivery63US 6,693,939 B2Cymer, Inc. · 2004