F04B 9/137
The pumping members not being mechanically connected to each other
Official title: the pumping members not being mechanically connected to each other
F04B9/137 (The pumping members not being mechanically connected to each other) appears on 36 US grants and 27 published applications in this corpus.
Search patents in F04B- Granted patents
- 36
- Published applications
- 27
- Assignees
- 30
- Inventors
- 71
- Latest grant
- 3 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 3 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 4 |
| 2016 | 0 | 1 |
| 2017 | 5 | 4 |
| 2018 | 3 | 1 |
| 2019 | 1 | 3 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 2 |
| 2023 | 1 | 0 |
| 2024 | 2 | 3 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Industrial pneumatic pump for a viscous fluid3 Jun 2025US 12,320,350 B2Meclube S.R.L.
- Drive system for a positive displacement pump18 Mar 2025US 12,253,071 B2Graco Minnesota Inc.
- Linear peristaltic pumps for use with fluidic cartridges30 Jan 2024US 11,885,323 B2Illumina, Inc.
- Drive system for a positive displacement pump9 Jan 2024US 11,867,165 B2Graco Minnesota Inc.
- Hybrid thermodynamic compressor12 Sep 2023US 11,754,061 B2Boostheat
- Compression system18 Jun 2026US 2026/0168483 A1Universite Du Luxembourg
- Drive system for a positive displacement pump26 Jun 2025US 2025/0207575 A1Graco Minnesota Inc.
- Drive system for a positive displacement pump18 Apr 2024US 2024/0125313 A1Graco Minnesota Inc.
- Linear Peristaltic Pumps For Use With Fluidic Cartridges28 Mar 2024US 2024/0102461 A1
- An industrial pneumatic pump for a viscous fluid1 Feb 2024US 2024/0035459 A1Meclube S.R.L.
Most cited
By later US patents
- Reciprocating infusion pump and directional adapter set for use therewith80US 4,065,230 AHart Associates, Inc. · 1977
- Dispensing system for low stability fluids36US 4,116,364 ABinks Manufacturing Company · 1978
- Barrier fluid seal, reciprocating pump and operating method22US 6,158,967 ATexas Pressure Systems, Inc. · 2000
- Method and system for pumping powder, and powder coating apparatus19US 7,287,964 B2ITW Gema AG · 2007
- Pumping system15US 4,701,112 AAdhesive Engineering Company · 1987