F04B 53/1067
Fixed at its whole periphery and with an opening at its centre
Official title: {fixed at its whole periphery and with an opening at its centre}
F04B53/1067 (Fixed at its whole periphery and with an opening at its centre) appears on 36 US grants and 24 published applications in this corpus.
Search patents in F04B- Granted patents
- 36
- Published applications
- 24
- Assignees
- 24
- Inventors
- 83
- Latest grant
- 12 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 0 |
| 2004 | 0 | 4 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 2 | 2 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 2 | 5 |
| 2019 | 1 | 1 |
| 2020 | 5 | 1 |
| 2021 | 1 | 0 |
| 2022 | 1 | 2 |
| 2023 | 4 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Valve12 Dec 2023US 11,841,094 B2Ttp Ventus Ltd.
- Valve28 Nov 2023US 11,828,374 B2Ttp Ventus Ltd.
- Gas transportation device5 Sep 2023US 11,746,773 B2Microjet Technology Co., Ltd.
- Positive displacement pump4 Apr 2023US 11,619,218 B2Idee & Prodotti S.r.l.
- Flow control device6 Sep 2022US 11,433,394 B2Koninklijke Philips N. V.
- Gas transportation device2 Feb 2023US 2023/0034620 A1Microjet Technology Co., Ltd.
- Improved valve24 Feb 2022US 2022/0057019 A1Ttp Ventus Ltd.
- Improved valve20 Jan 2022US 2022/0018458 A1Ttp Ventus Ltd.
- Positive displacement pump14 May 2020US 2020/0149523 A1Idee & Prodotti S.r.l.
- Flow control device19 Dec 2019US 2019/0383281 A1Koninklijke Philips N. V.
Most cited
By later US patents
- Membrane pump with stretchable pump membrane348US 6,948,918 B2Novo Nordisk A/S · 2005
- Apparatus for pumping fluid at a steady flow rate244US 5,921,951 ATherakos, Inc. · 1999
- 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