F04B 19/04
Pumps for special use
F04B19/04 (Pumps for special use) appears on 199 US grants and 246 published applications in this corpus.
Search patents in F04B- Granted patents
- 199
- Published applications
- 246
- Assignees
- 158
- Inventors
- 458
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 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 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 1 |
| 2003 | 2 | 0 |
| 2004 | 0 | 2 |
| 2005 | 2 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 3 |
| 2011 | 0 | 2 |
| 2012 | 1 | 2 |
| 2013 | 4 | 7 |
| 2014 | 4 | 7 |
| 2015 | 2 | 7 |
| 2016 | 2 | 8 |
| 2017 | 6 | 25 |
| 2018 | 22 | 13 |
| 2019 | 12 | 18 |
| 2020 | 7 | 19 |
| 2021 | 21 | 22 |
| 2022 | 18 | 26 |
| 2023 | 15 | 19 |
| 2024 | 19 | 20 |
| 2025 | 19 | 21 |
| 2026 | 18 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- One-way valves15 Sep 2026US 12,736,145 B2Quantum Servo Pumping Technologies Pty Ltd
- Fluid end assembly18 Aug 2026US 12,710,039 B2Kerr Machine Co.
- Linear actuator for a high-pressure pump14 Jul 2026US 12,680,535 B2Metronics Technologies, S.L.
- Drive device for a high pressure cleaning appliance14 Jul 2026US 12,680,598 B2Alfred Kärcher GmbH & Co. KG
- Passive heat removal system for nuclear reactors14 Jul 2026US 12,683,034 B2TerraPower, LLC
- Washing machine8 Oct 2026US 2026/0308830 A1Samsung Electronics Co., Ltd.
- Universal Construction for Storing, Pumping, Mixing, Diffusing, Reacting, and Separating Fluids24 Sep 2026US 2026/0284614 A1
- Vacuum control system for sap flow optimization, and method of controlling pressure within a conduit network of a sap collection system13 Aug 2026US 2026/0231874 A1Les éQuipements Lapierre Inc.
- Hydraulic tool pump30 Jul 2026US 2026/0216855 A1Milwaukee Electric Tool Corporation
- Electro- Mechanical High-Pressure Oilfield Pumping System23 Jul 2026US 2026/0210227 A1Twin Disc, Incorporated
Most cited
By later US patents
- Cryogenic fluid pump system and method of pumping cryogenic fluid67US 5,411,374 AProcess Systems International, Inc. · 1995
- High pressure pump system for supplying a cryogenic fluid from a storage tank65US 6,898,940 B2Westport Research Inc. · 2005
- Low power electromagnetic pump55US 6,227,818 B1Wilson Greatbatch Ltd. · 2001
- Precision high pressure control assembly54US 5,888,050 ASupercritical Fluid Technologies, Inc. · 1999
- Precision high pressure control assembly53US 5,797,719 ASupercritical Fluid Technologies, Inc. · 1998