Y02E 10/44
Heat exchange systems
Y02E10/44 (Heat exchange systems) appears on 3,343 US grants and 2,076 published applications in this corpus.
Search patents in Y02E- Granted patents
- 3,343
- Published applications
- 2,076
- Assignees
- 1,374
- Inventors
- 5,255
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 73 | 0 |
| 1977 | 164 | 0 |
| 1978 | 228 | 0 |
| 1979 | 189 | 0 |
| 1980 | 222 | 0 |
| 1981 | 259 | 0 |
| 1982 | 183 | 0 |
| 1983 | 134 | 0 |
| 1984 | 124 | 0 |
| 1985 | 88 | 0 |
| 1986 | 70 | 0 |
| 1987 | 42 | 0 |
| 1988 | 35 | 0 |
| 1989 | 25 | 0 |
| 1990 | 41 | 0 |
| 1991 | 20 | 0 |
| 1992 | 27 | 0 |
| 1993 | 20 | 0 |
| 1994 | 22 | 0 |
| 1995 | 27 | 0 |
| 1996 | 41 | 0 |
| 1997 | 22 | 0 |
| 1998 | 19 | 0 |
| 1999 | 30 | 0 |
| 2000 | 38 | 0 |
| 2001 | 21 | 10 |
| 2002 | 17 | 21 |
| 2003 | 25 | 28 |
| 2004 | 17 | 45 |
| 2005 | 21 | 29 |
| 2006 | 15 | 37 |
| 2007 | 14 | 76 |
| 2008 | 16 | 91 |
| 2009 | 21 | 115 |
| 2010 | 31 | 164 |
| 2011 | 35 | 188 |
| 2012 | 70 | 186 |
| 2013 | 73 | 196 |
| 2014 | 92 | 168 |
| 2015 | 115 | 138 |
| 2016 | 95 | 113 |
| 2017 | 81 | 96 |
| 2018 | 89 | 81 |
| 2019 | 91 | 78 |
| 2020 | 74 | 61 |
| 2021 | 56 | 69 |
| 2022 | 32 | 38 |
| 2023 | 40 | 23 |
| 2024 | 31 | 17 |
| 2025 | 19 | 7 |
| 2026 | 9 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Mounting system for installing an array of solar battery modules of a panel-like configuration on a roof439US 6,105,317 AMatsushita Electric Works, Ltd. · 2000
- Photovoltaic roof system248US 5,232,518 AUnited Solar Systems Corporation · 1993
- Photovoltaic module and a photovoltaic apparatus243US 5,571,338 ASanyo Electric Co., Ltd. · 1996
- Photovoltaic roof and method of making same227US 5,092,939 AUnited Solar Systems Corporation · 1992
- Solar panel220US 5,164,020 ASolarex Corporation · 1992