F04B 23/025
The pump being located directly adjacent the reservoir
Official title: {the pump being located directly adjacent the reservoir}
F04B23/025 (The pump being located directly adjacent the reservoir) appears on 246 US grants and 297 published applications in this corpus.
Search patents in F04B- Granted patents
- 246
- Published applications
- 297
- Assignees
- 202
- Inventors
- 514
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 1 |
| 2002 | 1 | 2 |
| 2003 | 2 | 3 |
| 2004 | 2 | 10 |
| 2005 | 4 | 4 |
| 2006 | 2 | 6 |
| 2007 | 3 | 5 |
| 2008 | 2 | 1 |
| 2009 | 1 | 4 |
| 2010 | 4 | 3 |
| 2011 | 0 | 4 |
| 2012 | 4 | 10 |
| 2013 | 5 | 9 |
| 2014 | 4 | 12 |
| 2015 | 5 | 3 |
| 2016 | 6 | 12 |
| 2017 | 5 | 24 |
| 2018 | 16 | 36 |
| 2019 | 26 | 25 |
| 2020 | 28 | 20 |
| 2021 | 18 | 18 |
| 2022 | 16 | 20 |
| 2023 | 20 | 24 |
| 2024 | 14 | 18 |
| 2025 | 13 | 17 |
| 2026 | 12 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus for peristaltically pumping liquid onto a rotating surface16 Jun 2026US 12,655,837 B2Samsung Electronics Co., Ltd.
- Hand tool powered hydraulic fluid pump device2 Jun 2026US 12,644,474 B2
- Airless handheld sprayer repair12 May 2026US 12,623,238 B2Graco Minnesota Inc.
- Battery-operated reciprocating pump for lubricants12 May 2026US 12,624,686 B2Alemite Corporation
- Pump and combination pump/mixer device21 Apr 2026US 12,607,180 B2Alphinity USA, Inc.
- Pump and combination pump/mixer device13 Aug 2026US 2026/0235115 A1Alphinity USA, Inc.
- Oral nursing device and fluid pumping assembly for oral cleaning25 Jun 2026US 2026/0174539 A1Shenzhen Soocas Technology Co., Ltd.
- Hand tool powered hydraulic fluid pump device21 May 2026US 2026/0139693 A1
- Reciprocating Pump Packing Lubricator30 Apr 2026US 2026/0117766 A1Bill Spitzer & Associates
- Dispensing assembly26 Feb 2026US 2026/0053278 A1Swimc LLC
Most cited
By later US patents
- Dispensing assembly with interchangeable cartridge pumps167US 5,645,114 ACytoLogix Corporation · 1997
- Dispensing assembly with interchangeable cartridge pumps161US 5,947,167 ACytoLogix Corporation · 1999
- Moving platform slide stainer with heating elements140US 6,180,061 B2CytoLogix Corporation · 2001
- Interchangeable liquid dispensing cartridge pump114US 6,092,695 ACytoLogix Corporation · 2000
- Dual stage pump system with pre-stressed diaphragms and reservoir65US 5,490,765 ACybor Corporation · 1996