F24H 15/34
Control of the speed of pumps
F24H15/34 (Control of the speed of pumps) appears on 51 US grants and 91 published applications in this corpus.
Search patents in F24H- Granted patents
- 51
- Published applications
- 91
- Assignees
- 50
- Inventors
- 174
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 2 |
| 2010 | 0 | 4 |
| 2011 | 0 | 1 |
| 2012 | 3 | 4 |
| 2013 | 0 | 3 |
| 2014 | 2 | 2 |
| 2015 | 3 | 3 |
| 2016 | 5 | 4 |
| 2017 | 1 | 1 |
| 2018 | 3 | 4 |
| 2019 | 4 | 9 |
| 2020 | 2 | 4 |
| 2021 | 5 | 8 |
| 2022 | 6 | 6 |
| 2023 | 1 | 5 |
| 2024 | 6 | 9 |
| 2025 | 5 | 12 |
| 2026 | 4 | 7 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- 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
- Heat pump device26 May 2026US 12,638,222 B2Fujitsu General Limited
- Air venting12 May 2026US 12,624,704 B2Grundfos Holding A/S
- System and method for hydronic distribution with submersible pumps in an unpressurized tank30 Dec 2025US 12,510,255 B2Hunt Utilities Group LLC
- Hot water supply system8 Oct 2026US 2026/0309368 A1Mitsubishi Electric Corporation
- Heating installation1 Oct 2026US 2026/0298483 A1Energy Machines ApS
- Method for controlling a circulation pump2 Jul 2026US 2026/0185528 A1Grundfos Holding A/S
- Method and system for controlling a fluid pressure in a fluid system25 Jun 2026US 2026/0174949 A1
- Controlling a booster pump in a distributed-pump hydronic heating or cooling system25 Jun 2026US 2026/0177058 A1
Most cited
By later US patents
- Control system for modulating water heater33US 7,506,617 B2Lochinvar, LLC · 2009
- Adaptive heating control system for a water heater20US 9,063,551 B2Intellihot Green Technologies, Inc. · 2015
- Control method for a hybrid tankless water heater18US 8,971,694 B2Intellihot Green Technologies, Inc. · 2015
- Water heating system8US 9,335,066 B2Rinnai America Corporation · 2016
- Heat pump heating and hot-water system7US 9,951,962 B2Mitsubishi Electric Corporation · 2018