F04B 19/025
Cylinders rotating around their own axis
Official title: {cylinders rotating around their own axis}
F04B19/025 (Cylinders rotating around their own axis) appears on 20 US grants and 18 published applications in this corpus.
Search patents in F04B- Granted patents
- 20
- Published applications
- 18
- Assignees
- 12
- Inventors
- 49
- Latest grant
- 11 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 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 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 2 | 1 |
| 2015 | 2 | 0 |
| 2016 | 1 | 2 |
| 2017 | 0 | 1 |
| 2018 | 2 | 2 |
| 2019 | 0 | 1 |
| 2020 | 2 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 3 |
| 2024 | 2 | 1 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- 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
- Pump body assembly and fluid machine3 Dec 2024US 12,158,139 B2Gree Electric Appliances, Inc. of Zhuhai
- Rotational metering pump for insulin patch2 Jan 2024US 11,857,756 B2Becton, Dickinson and Company
- Pump19 Apr 2022US 11,306,716 B2
- Rotational metering pump for medication patch22 Feb 2024US 2024/0058528 A1Becton, Dickinson and Company
- Rotational metering gasket pump16 Nov 2023US 2023/0366386 A1Becton, Dickinson and Company
- Rotational metering pump for insulin patch5 Oct 2023US 2023/0310737 A9Becton, Dickinson and Company
- Pump body assembly and fluid machine25 May 2023US 2023/0160376 A1Gree Electric Appliances, Inc. of Zhuhai
- Rotational metering pump for insulin patch26 May 2022US 2022/0160958 A1Becton, Dickinson and Company
Most cited
By later US patents
- Modular power unit31US 5,351,657 A1994
- Occlusion detection techniques for a fluid infusion device having a rotary pump mechanism and an optical sensor17US 9,879,668 B2Medtronic MiniMed, Inc. · 2018
- Rotational metering pump for insulin patch12US 10,675,404 B2Becton, Dickinson and Company · 2020
- Lubricating oil pump for use in an internal combustion engine7US 3,967,612 AYamaha Hatsudoki Kabushiki Kaisha · 1976
- Internal cam metering pump7US 9,416,775 B2Becton, Dickinson and Company · 2016