F16K 15/147
The closure elements having specially formed slits or being of an elongated
Official title: {the closure elements having specially formed slits or being of an elongated easily collapsible form}
F16K15/147 (The closure elements having specially formed slits or being of an elongated) appears on 510 US grants and 469 published applications in this corpus.
Search patents in F16K- Granted patents
- 510
- Published applications
- 469
- Assignees
- 368
- Inventors
- 932
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 6 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 7 | 0 |
| 1986 | 6 | 0 |
| 1987 | 7 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 7 | 0 |
| 1991 | 7 | 0 |
| 1992 | 4 | 0 |
| 1993 | 10 | 0 |
| 1994 | 9 | 0 |
| 1995 | 10 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 12 | 0 |
| 1999 | 10 | 0 |
| 2000 | 22 | 0 |
| 2001 | 13 | 5 |
| 2002 | 13 | 11 |
| 2003 | 12 | 32 |
| 2004 | 18 | 25 |
| 2005 | 14 | 21 |
| 2006 | 5 | 20 |
| 2007 | 9 | 20 |
| 2008 | 9 | 12 |
| 2009 | 7 | 18 |
| 2010 | 9 | 17 |
| 2011 | 11 | 18 |
| 2012 | 14 | 12 |
| 2013 | 15 | 15 |
| 2014 | 14 | 13 |
| 2015 | 18 | 21 |
| 2016 | 11 | 22 |
| 2017 | 11 | 29 |
| 2018 | 18 | 14 |
| 2019 | 30 | 28 |
| 2020 | 19 | 28 |
| 2021 | 19 | 15 |
| 2022 | 20 | 23 |
| 2023 | 17 | 21 |
| 2024 | 14 | 13 |
| 2025 | 7 | 11 |
| 2026 | 7 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Mechanical cardiopulmonary resuscitation device suction cup22 Sep 2026US 12,740,918 B2Physio-Control, Inc.
- Dispensing valve15 Sep 2026US 12,735,232 B2AptarGroup, Inc.
- Interacting with an automated teller machine using a user device4 Aug 2026US 12,699,981 B2Capital One Services, LLC
- Diaphragm check valve28 Apr 2026US 12,612,973 B2CareFusion 303, Inc.
- Valve assembly for dispensing foodstuff and dispenser apparatus and lid comprising the same28 Apr 2026US 12,612,976 B2Franke Kindred Canada Limited
- One-piece fill valve for powered fastener driver30 Jul 2026US 2026/0216852 A1
- Press type cup lid25 Jun 2026US 2026/0177158 A1YongKang Rixin Metal Products Co., Ltd
- Mechanical aspiration syringe and associated fluid flow control devices28 May 2026US 2026/0144556 A1Innova Vascular, Inc.
- Air admittance valve assembly21 May 2026US 2026/0139750 A1
- Check Valve With Secondary Flap14 May 2026US 2026/0132859 A1Red Valve Company, Inc.
Most cited
By later US patents
- Unitized three leaflet heart valve1,255US 4,222,126 AThe United States of America as represented by the Secretary of the Department of Health, Education and Welfare · 1980
- Method of making unitized three leaflet heart valve1,028US 4,265,694 AThe United States of America as represented by the Department of Health, Education and Welfare · 1981
- Valve for use with a catheter or the like575US 4,143,853 AMetatech Corporation · 1979
- Bronchial flow control devices and methods of use504US 7,011,094 B2Emphasys Medical, Inc. · 2006
- Methods and devices for use in performing pulmonary procedures284US 6,679,264 B1Emphasys Medical, Inc. · 2004