Y10T 137/87531
Butterfly valve
Y10T137/87531 (Butterfly valve) appears on 41 US grants and 18 published applications in this corpus.
Search patents in Y10T- Granted patents
- 41
- Published applications
- 18
- Assignees
- 26
- Inventors
- 59
- Latest grant
- 14 Jun 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 0 |
| 2002 | 0 | 2 |
| 2003 | 3 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 2 |
| 2007 | 0 | 1 |
| 2008 | 2 | 0 |
| 2009 | 2 | 2 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 2 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 2 |
| 2017 | 1 | 1 |
| 2018 | 2 | 0 |
| 2019 | 2 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and mechanism for symmetrically controlling pressure in process chamber14 Jun 2022US 11,359,732 B1APPLIED Materials.Inc.
- Spring loaded HVAC damper30 Jun 2020US 10,697,554 B2Ademco Inc.
- Spring loaded HVAC damper28 May 2019US 10,302,207 B2Honeywell International Inc.
- Multi-blade dosing valve16 Apr 2019US 10,260,638 B2Wamgroup S.P.A.
- Dual shaft alternating drive actuator27 Mar 2018US 9,927,044 B2KMC Controls, Inc.
- Spring loaded hvac damper1 Aug 2019US 2019/0234523 A1Honeywell International Inc.
- Dual Shaft Alternating Drive Actuator22 Jun 2017US 2017/0176044 A1KMC Controls, Inc.
- Fluid valve and a single shaft-sealing module thereof15 Dec 2016US 2016/0363237 A1JDV Control Valves Co., Ltd.
- Multi-blade dosing valve23 Jun 2016US 2016/0178068 A1Wamgroup S.P.A.
- Valve for controlling a flow of fluid, including a rotary closure means21 May 2015US 2015/0136259 A1Valeo Systemes de Controle Moteur
Most cited
By later US patents
- Multi-valve damper for controlling airflow and method for controlling airflow40US 7,543,759 B22009
- Damper construction36US 3,993,096 AK.S.H. Canada Ltd. · 1976
- Damper blade construction22US 4,610,197 APhilips Industrial Components, Inc. · 1986
- Fluid flow control damper assembly22US 6,564,819 B22003
- Multi-valve damper for controlling airflow and method for controlling airflow21US 6,991,177 B22006