F04B 19/06
Pumps for delivery of both liquid and elastic fluids at the same
Official title: Pumps for delivery of both liquid and elastic fluids at the same time (wet gas pumps F04B37/20)
F04B19/06 (Pumps for delivery of both liquid and elastic fluids at the same) appears on 74 US grants and 66 published applications in this corpus.
Search patents in F04B- Granted patents
- 74
- Published applications
- 66
- Assignees
- 53
- Inventors
- 125
- Latest grant
- 10 Feb 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 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 2 |
| 2015 | 0 | 1 |
| 2016 | 1 | 5 |
| 2017 | 0 | 11 |
| 2018 | 12 | 8 |
| 2019 | 8 | 7 |
| 2020 | 4 | 7 |
| 2021 | 7 | 6 |
| 2022 | 3 | 2 |
| 2023 | 6 | 3 |
| 2024 | 4 | 4 |
| 2025 | 2 | 3 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fluid flow converter with support arrangement10 Feb 2026US 12,546,297 B2Enairon AB
- Fluid flow converter with interstage flow channel10 Feb 2026US 12,546,298 B2Enairon AB
- Sequentially activated multi-diaphragm foam pumps, refill units and dispenser systems14 Oct 2025US 12,440,072 B2GOJO Industries, Inc.
- Multi-purpose pump25 Feb 2025US 12,233,298 B2
- Vacuum pump24 Sep 2024US 12,098,713 B2Zhejiang Z&Z Industrial Co., Ltd.
- Liquefied-gas delivery system23 Jul 2026US 2026/0210499 A1
- Compression system18 Jun 2026US 2026/0168483 A1Universite Du Luxembourg
- Sequentially activated multi-diaphragm foam pumps, refill units and dispenser systems15 Jan 2026US 2026/0013678 A1GOJO Industries, Inc.
- Fluid flow converter with interstage flow channel3 Jul 2025US 2025/0215866 A1Enairon AB
- Pneumatic energy generation device3 Jul 2025US 2025/0215907 A1Industry-Academic Cooperation Foundation, Yonsei University
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