F04B 7/0046
For rotating distribution members
Official title: {for rotating distribution members}
F04B7/0046 (For rotating distribution members) appears on 40 US grants and 50 published applications in this corpus.
Search patents in F04B- Granted patents
- 40
- Published applications
- 50
- Assignees
- 38
- Inventors
- 96
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 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 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 3 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 3 |
| 2018 | 4 | 2 |
| 2019 | 0 | 6 |
| 2020 | 9 | 12 |
| 2021 | 4 | 1 |
| 2022 | 5 | 7 |
| 2023 | 3 | 4 |
| 2024 | 4 | 5 |
| 2025 | 3 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Mode selection valve for RAT re-stow pump14 Apr 2026US 12,601,345 B2Hamilton Sundstrand Corporation
- Disposable medical flow-regulating device and system16 Sep 2025US 12,415,023 B2NxStage Medical, Inc.
- Rotational metering pump for medication patch11 Mar 2025US 12,246,162 B2Becton, Dickinson and Company
- Rotational metering gasket pump4 Mar 2025US 12,241,459 B2Becton, Dickinson and Company
- Assembly for and method of dispensing a liquid27 Aug 2024US 12,070,765 B2Fast & Fluid Management B.V.
- Method for determining a leak rate in a displacement pump18 Dec 2025US 2025/0382957 A1Tecan Trading AG
- Assembly for and method of dispensing a liquid7 Nov 2024US 2024/0367192 A1Fast & Fluid Managment B.V.
- Mode selection valve for rat re-stow pump29 Aug 2024US 2024/0288010 A1Hamilton Sundstrand Corporation
- Reversible Reciprocating Pump22 Aug 2024US 2024/0280101 A1Quidnet Energy Inc.
- Rotational metering pump for medication patch22 Feb 2024US 2024/0058528 A1Becton, Dickinson and Company
Most cited
By later US patents
- Rotational metering pump for insulin patch12US 10,675,404 B2Becton, Dickinson and Company · 2020
- Positive displacement pump9US 4,120,202 ABaxter Travenol Laboratories, Inc. · 1978
- Metering pump system6US 3,969,046 A1976
- Rotating compressor valve5US 8,974,201 B2GE Oil & Gas Compression Systems, LLC · 2015
- Air discharging apparatus and image forming apparatus3US 8,139,973 B2Ricoh Company, Ltd. · 2012