G05D 23/01
Without auxiliary power
Official title: without auxiliary power
G05D23/01 (Without auxiliary power) appears on 1,855 US grants and 1,292 published applications in this corpus.
Search patents in G05D- Granted patents
- 1,855
- Published applications
- 1,292
- Assignees
- 777
- Inventors
- 2,728
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 28 | 0 |
| 1977 | 31 | 0 |
| 1978 | 18 | 0 |
| 1979 | 32 | 0 |
| 1980 | 29 | 0 |
| 1981 | 38 | 0 |
| 1982 | 29 | 0 |
| 1983 | 34 | 0 |
| 1984 | 38 | 0 |
| 1985 | 31 | 0 |
| 1986 | 24 | 0 |
| 1987 | 38 | 0 |
| 1988 | 31 | 0 |
| 1989 | 29 | 0 |
| 1990 | 41 | 0 |
| 1991 | 27 | 0 |
| 1992 | 43 | 0 |
| 1993 | 38 | 0 |
| 1994 | 34 | 0 |
| 1995 | 32 | 0 |
| 1996 | 29 | 0 |
| 1997 | 18 | 0 |
| 1998 | 32 | 0 |
| 1999 | 45 | 0 |
| 2000 | 34 | 0 |
| 2001 | 36 | 7 |
| 2002 | 38 | 42 |
| 2003 | 32 | 31 |
| 2004 | 29 | 41 |
| 2005 | 27 | 40 |
| 2006 | 23 | 34 |
| 2007 | 21 | 48 |
| 2008 | 15 | 36 |
| 2009 | 16 | 42 |
| 2010 | 34 | 57 |
| 2011 | 35 | 50 |
| 2012 | 33 | 45 |
| 2013 | 34 | 69 |
| 2014 | 37 | 59 |
| 2015 | 38 | 74 |
| 2016 | 66 | 91 |
| 2017 | 72 | 78 |
| 2018 | 85 | 80 |
| 2019 | 77 | 58 |
| 2020 | 73 | 70 |
| 2021 | 40 | 38 |
| 2022 | 43 | 62 |
| 2023 | 39 | 43 |
| 2024 | 48 | 42 |
| 2025 | 45 | 35 |
| 2026 | 16 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G05D 23/13By varying the mixing ratio of two fluids having different temperatures1,135
- G05D 23/02With sensing element expanding and contracting in response to changes of temperature671
- G05D 23/12With sensing element responsive to pressure or volume changes in a confined132
- G05D 23/015With mechanical sensing element not covered by groups g05d23/02 and g05d23/1210
Recent patents
- Thermostatic valve having a sleeve6 Oct 2026US 12,754,573 B2Vernet
- Valve22 Sep 2026US 12,743,115 B2Reliance Worldwide Corporation (Aust.) Pty. Ltd.
- Water mixing device and water purifier including the same1 Sep 2026US 12,724,435 B2Coway Co., Ltd.
- Hand washing station18 Aug 2026US 12,709,883 B2Stone And Steel Systems, LLC
- Hot water mixing valve18 Aug 2026US 12,710,103 B2Watts Regulator Co.
- Temperature controlled bed device for determining sleep phase24 Sep 2026US 2026/0284350 A1Eight Sleep Inc.
- Temperature controlled bed device for determining user history24 Sep 2026US 2026/0284351 A1Eight Sleep Inc.
- Hot water mixing valve17 Sep 2026US 2026/0276091 A1Watts Regulator Co.
- Valve upper part for sanitary fittings10 Sep 2026US 2026/0266391 A1Flühs Drehtechnik GmbH
- Substrate processing apparatus, temperature control device, and temperature control method20 Aug 2026US 2026/0245840 A1Tokyo Electron Limited
Most cited
By later US patents
- System and method for using ramped setpoint temperature variation with networked thermostats to improve efficiency320US 8,010,237 B2EcoFactor, Inc. · 2011
- Fluid and gas supply system317US 6,286,764 B12001
- Water faucet with touchless controls218US 5,868,311 A1999
- Automated bathroom193US 4,563,780 A1986
- Water flow and temperature controller for a bathtub faucet182US 5,979,776 A1999