F16K 7/08
Constrictable by twisting
Official title: constrictable by twisting
F16K7/08 (Constrictable by twisting) appears on 21 US grants and 15 published applications in this corpus.
Search patents in F16K- Granted patents
- 21
- Published applications
- 15
- Assignees
- 18
- Inventors
- 34
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 3 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 2 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 1 | 2 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 2 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Closing apparatus and airflow device20 Jan 2026US 12,528,333 B2Dr. Ing. h,c.F. Porsche Aktiengesellschaft
- Closure4 Mar 2025US 12,240,663 B2IRISgo AG
- Constriction valve2 Aug 2022US 11,400,273 B2HeartStitch, Inc.
- Drip emitter with check valve21 Apr 2020US 10,626,998 B2Rain Bird Corporation
- Constrictor valve with webbing, cementitious slurry mixing and dispensing assembly, and method for making cementitious product21 Jan 2020US 10,537,863 B2United States Gypsum Company
- Closing apparatus and airflow device4 Jan 2024US 2024/0001733 A1Dr. Ing. h,c.F. Porsche Aktiengesellschaft
- Closure5 Oct 2023US 2023/0312192 A1IRISgo AG
- Constriction Valve2 May 2019US 2019/0126026 A1HeartStitch, Inc.
- Drip Emitter With Check Valve15 Nov 2018US 2018/0328498 A1Rain Bird Corporation
- Constrictor valve with webbing, cementitious slurry mixing and dispensing assembly, and method for making cementitious product6 Jul 2017US 2017/0189872 A1United States Gypsum Company
Most cited
By later US patents
- Variable orifice sealing valve177US 5,211,370 A1993
- Constriction valve39US 10,183,159 B2HeartStitch, Inc. · 2019
- Device for controlling the flow of liquid using a tube23US 6,676,104 B2Premetec AB · 2004
- Variable opening seal22US 5,464,189 ALi Medical Technologies, Inc. · 1995
- Sleeve valve actuator means21US 4,523,737 AHoneywell Inc. · 1985