Y10T 137/0525
Butterfly valve
Y10T137/0525 (Butterfly valve) appears on 88 US grants and 63 published applications in this corpus.
Search patents in Y10T- Granted patents
- 88
- Published applications
- 63
- Assignees
- 65
- Inventors
- 140
- Latest grant
- 3 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 1 |
| 2002 | 4 | 5 |
| 2003 | 6 | 4 |
| 2004 | 2 | 7 |
| 2005 | 7 | 3 |
| 2006 | 4 | 4 |
| 2007 | 3 | 4 |
| 2008 | 3 | 4 |
| 2009 | 4 | 2 |
| 2010 | 0 | 2 |
| 2011 | 2 | 2 |
| 2012 | 1 | 2 |
| 2013 | 5 | 3 |
| 2014 | 2 | 2 |
| 2015 | 1 | 3 |
| 2016 | 3 | 4 |
| 2017 | 3 | 4 |
| 2018 | 5 | 2 |
| 2019 | 2 | 2 |
| 2020 | 3 | 0 |
| 2021 | 2 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Butterfly valve3 Jun 2025US 12,320,429 B2Hayward Industries, Inc.
- Butterfly valve17 Aug 2021US 11,092,242 B2Hayward Industries, Inc.
- Low particle protected flapper valve6 Apr 2021US 10,969,029 B2APPLIED Materials.Inc.
- Butterfly valve23 Jun 2020US 10,690,252 B2Hayward Industries, Inc.
- Butterfly valve16 Jun 2020US 10,683,937 B2Hayward Industries, Inc.
- Butterfly valve15 Jan 2026US 2026/0016092 A1Hayward Industries, Inc.
- Butterfly Valve28 Dec 2023US 2023/0417328 A1Hayward Industries, Inc.
- Butterfly Valve2 Dec 2021US 2021/0372530 A1Hayward Industries, Inc.
- Low particle protected flapper valve26 Sep 2019US 2019/0293199 A1APPLIED Materials.Inc.
- Butterfly Valve24 Jan 2019US 2019/0024802 A1Hayward Industries, Inc.
Most cited
By later US patents
- Butterfly valve assembly and method of manufacture80US 5,370,148 A1994
- Fluid flow control damper assembly and method48US 5,458,148 A1995
- Multi-valve damper for controlling airflow and method for controlling airflow40US 7,543,759 B22009
- Dual actuator air turbine starter valve35US 6,684,898 B2Honeywell International Inc. · 2004
- Method for installing an adjustable flow restricting valve member in a tubular pipe, and a valve device for utilization of the method30US 4,270,559 A1981