H04Q 1/035
Cooling of active equipments
Official title: {Cooling of active equipments, e.g. air ducts}
H04Q1/035 (Cooling of active equipments) appears on 180 US grants and 165 published applications in this corpus.
Search patents in H04Q- Granted patents
- 180
- Published applications
- 165
- Assignees
- 104
- Inventors
- 483
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 0 |
| 2002 | 7 | 14 |
| 2003 | 21 | 9 |
| 2004 | 10 | 9 |
| 2005 | 6 | 14 |
| 2006 | 8 | 8 |
| 2007 | 9 | 13 |
| 2008 | 4 | 25 |
| 2009 | 14 | 7 |
| 2010 | 14 | 6 |
| 2011 | 9 | 4 |
| 2012 | 4 | 1 |
| 2013 | 6 | 3 |
| 2014 | 5 | 3 |
| 2015 | 0 | 1 |
| 2016 | 2 | 2 |
| 2017 | 1 | 5 |
| 2018 | 3 | 4 |
| 2019 | 4 | 1 |
| 2020 | 4 | 9 |
| 2021 | 3 | 4 |
| 2022 | 4 | 5 |
| 2023 | 4 | 5 |
| 2024 | 7 | 5 |
| 2025 | 5 | 4 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Communication device5 May 2026US 12,621,588 B2Gemtek Technology Co., Ltd.
- Telecommunications network equipment unit comprising a cooling system10 Mar 2026US 12,575,052 B2Telefonaktiebolaget LM Ericsson (publ)
- Switch cabinet arrangement with at least one it rack or switch cabinet housing and with at least one cooling unit, and a corresponding method2 Sep 2025US 12,408,307 B2Rittal GmbH & Co.KG
- Ethernet physical layer transceiver with graceful temperature protection29 Jul 2025US 12,375,110 B1Marvell Asia Pte Ltd
- Sub-rack for converting cooling pattern of side-to-side cooled equipment13 May 2025US 12,302,044 B2Telefonaktiebolaget LM Ericsson (publ)
- Network interface device2 Jul 2026US 2026/0189823 A1CenturyLink Intellectual Property LLC
- Layered cable routing for network switches28 May 2026US 2026/0150213 A1Mellanox Technologies, Ltd.
- Telecommunications cabinet door and related telecommunication cabinets19 Mar 2026US 2026/0082507 A1Outdoor Wireless Networks LLC
- Co-packaged optics network switch with fan integrated rear ports26 Feb 2026US 2026/0056377 A1Dell Products L. P.
- Wireless data terminal23 Oct 2025US 2025/0330732 A1Spreadtrum Communications (Shanghai) Co., Ltd.
Most cited
By later US patents
- Cable trough159US 6,796,437 B2ADC Telecommunications, Inc. · 2004
- Network cabinet153US 7,504,581 B2Panduit Corp. · 2009
- Systems and methods for managing a network142US 7,519,000 B2Panduit Corp. · 2009
- Optical network unit (ONU) mechanical enclosure141US 5,828,807 ANext Level Communications · 1998
- Network cabinet with thermal airflow management system130US 8,035,965 B2Panduit Corp. · 2011