F16K 31/002
Actuated by temperature variation
Official title: {actuated by temperature variation (thermo-electric F16K31/025)}
F16K31/002 (Actuated by temperature variation) appears on 754 US grants and 778 published applications in this corpus.
Search patents in F16K- Granted patents
- 754
- Published applications
- 778
- Assignees
- 446
- Inventors
- 1,412
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 6 | 0 |
| 1983 | 1 | 0 |
| 1984 | 7 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 7 | 0 |
| 1988 | 1 | 0 |
| 1989 | 6 | 0 |
| 1990 | 7 | 0 |
| 1991 | 6 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 9 | 4 |
| 2002 | 9 | 7 |
| 2003 | 9 | 4 |
| 2004 | 4 | 8 |
| 2005 | 6 | 18 |
| 2006 | 11 | 11 |
| 2007 | 8 | 23 |
| 2008 | 9 | 13 |
| 2009 | 4 | 18 |
| 2010 | 19 | 27 |
| 2011 | 19 | 21 |
| 2012 | 14 | 23 |
| 2013 | 15 | 31 |
| 2014 | 20 | 32 |
| 2015 | 22 | 37 |
| 2016 | 30 | 58 |
| 2017 | 46 | 64 |
| 2018 | 55 | 58 |
| 2019 | 52 | 57 |
| 2020 | 56 | 62 |
| 2021 | 71 | 39 |
| 2022 | 44 | 45 |
| 2023 | 36 | 33 |
| 2024 | 41 | 38 |
| 2025 | 28 | 28 |
| 2026 | 17 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Thermal bimetal actuators for use in non-magnetic medical devices6 Oct 2026US 12,751,623 B2Koninklijke Philips N. V.
- Anti-scald valve6 Oct 2026US 12,753,853 B1Clement Inc.
- E-vapor device with bimetallic actuator for opening and sealing reservoir15 Sep 2026US 12,733,681 B2Altria Client Services LLC
- Automatic shutoff valve for a water filter assembly15 Sep 2026US 12,734,468 B2Haier US Appliance Solutions, Inc.
- Freeze valve in a target material generator18 Aug 2026US 12,710,104 B2ASML Netherlands B. V.
- Fluid mixing assembly having a thermostatic mixing valve8 Oct 2026US 2026/0309243 A1Reliance Worldwide Corporation (Aust.) Pty. Ltd.
- Thermostat device8 Oct 2026US 2026/0309249 A1Coplus Inc.
- Fluid-circulation housing and method for assembling such a housing8 Oct 2026US 2026/0309257 A1Vernet
- Divertor gas puffing8 Oct 2026US 2026/0311894 A1Tokamak Energy Ltd
- Fluid distributor valve with temperature sensor1 Oct 2026US 2026/0298127 A1Stoneridge Control Devices, Inc.
Most cited
By later US patents
- Devices and methods for using centripetal acceleration to drive fluid movement on a microfluidics system313US 6,063,589 AGamera Bioscience Corporation · 2000
- Shape memory alloy film actuated microvalve234US 5,325,880 ATiNi Alloy Company · 1994
- Device and method for using centripetal acceleration to device fluid movement on a microfluidics system222US 6,302,134 B1Tecan Boston · 2001
- Linearly actuated valve182US 5,211,371 AAdvanced Control Technologies, Inc. · 1993
- Proportional valve with shape memory alloy actuator143US 6,840,257 B22005