F24H 15/335
Control of pumps
Official title: Control of pumps, e.g. on-off control (control of compressors of heat pumps F24H15/38)
F24H15/335 (Control of pumps) appears on 202 US grants and 285 published applications in this corpus.
Search patents in F24H- Granted patents
- 202
- Published applications
- 285
- Assignees
- 140
- Inventors
- 564
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 5 |
| 2003 | 4 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 1 | 3 |
| 2009 | 1 | 7 |
| 2010 | 2 | 18 |
| 2011 | 2 | 8 |
| 2012 | 10 | 13 |
| 2013 | 5 | 12 |
| 2014 | 7 | 16 |
| 2015 | 11 | 10 |
| 2016 | 13 | 18 |
| 2017 | 10 | 4 |
| 2018 | 11 | 12 |
| 2019 | 18 | 21 |
| 2020 | 8 | 22 |
| 2021 | 15 | 17 |
| 2022 | 22 | 13 |
| 2023 | 11 | 14 |
| 2024 | 11 | 23 |
| 2025 | 10 | 22 |
| 2026 | 10 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Water heater having highly efficient and compact heat exchanger6 Oct 2026US RE51,053 E1A. O. Smith Corporation
- Device for heating room air and a liquid1 Sep 2026US 12,723,779 B2Truma Geraetetechnik GmbH & Co. KG
- Circulation pump, system and method for domestic hot-water recirculation14 Jul 2026US 12,680,280 B2Grundfos Holding A/S
- Constant-temperature liquid supply apparatus7 Jul 2026US 12,673,396 B2Disco Corporation
- Hot water tank and flow through heating assembly23 Jun 2026US 12,663,181 B2National Machine Company
- Water heating system and device8 Oct 2026US 2026/0309340 A1Mixergy Limited
- Hot water supply system8 Oct 2026US 2026/0309368 A1Mitsubishi Electric Corporation
- Heating installation1 Oct 2026US 2026/0298483 A1Energy Machines ApS
- Systems and methods for integrating a water heating unit and a heat pump1 Oct 2026US 2026/0298489 A1
- Systems and methods for integrating a water heating unit and a heat pump1 Oct 2026US 2026/0298490 A1
Most cited
By later US patents
- Fluid heating control system199US 6,246,831 B1David Seitz · 2001
- Integrated appliance control system186US 6,059,195 ATridelta Industries, Inc. · 2000
- Control system for bathers94US 6,590,188 B2Balboa Instruments, Inc. · 2003
- Control system for bathers93US 6,282,370 B1Balboa Instruments, Inc. · 2001
- Control system for bathers with ground continuity and ground fault detection86US 6,253,121 B1Balboa Instruments, Inc. · 2001