F24H 9/144
Valve seats, piping and heat exchanger connections integrated into a one-piece hydraulic
Official title: {Valve seats, piping and heat exchanger connections integrated into a one-piece hydraulic unit}
F24H9/144 (Valve seats, piping and heat exchanger connections integrated into a one-piece hydraulic) appears on 11 US grants and 10 published applications in this corpus.
Search patents in F24H- Granted patents
- 11
- Published applications
- 10
- Assignees
- 10
- Inventors
- 17
- Latest grant
- 25 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 2 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 1 | 1 |
| 2017 | 1 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 2 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
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- Hydraulic unit for a heating or air-conditioning system16 Jan 2020US 2020/0018491 A1Grundfos Holding A/S
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Most cited
By later US patents
- Wall-mounted hot water boiler of the instant type10US 4,917,077 A1990
- Gas-fired boiler8US 4,756,475 AElettro Termica Sud S.p.A. · 1988
- Housing unit for a heating system2US 9,612,036 B2Grundfos Management A/S · 2017
- Gas boiler1US 5,778,829 ADaewoo Electronics Co., Ltd. · 1998
- Pipe connecting structure of water heater1US 8,944,013 B2Kyungdong Navien Co., Ltd. · 2015