G05D 23/1923
Using thermal energy, the cost of which varies in function of time
Official title: {using thermal energy, the cost of which varies in function of time}
G05D23/1923 (Using thermal energy, the cost of which varies in function of time) appears on 183 US grants and 178 published applications in this corpus.
Search patents in G05D- Granted patents
- 183
- Published applications
- 178
- Assignees
- 110
- Inventors
- 347
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 2 |
| 2003 | 1 | 2 |
| 2004 | 2 | 0 |
| 2005 | 3 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 1 |
| 2009 | 0 | 7 |
| 2010 | 2 | 1 |
| 2011 | 4 | 14 |
| 2012 | 11 | 17 |
| 2013 | 12 | 18 |
| 2014 | 8 | 13 |
| 2015 | 5 | 12 |
| 2016 | 17 | 14 |
| 2017 | 12 | 15 |
| 2018 | 14 | 13 |
| 2019 | 10 | 5 |
| 2020 | 8 | 12 |
| 2021 | 10 | 4 |
| 2022 | 5 | 7 |
| 2023 | 8 | 4 |
| 2024 | 6 | 7 |
| 2025 | 5 | 5 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
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- System and method for optimizing use of plug-in air conditioners and portable heaters322US 8,090,477 B1EcoFactor, Inc. · 2012
- Energy control system288US 5,289,362 AJohnson Service Company · 1994