B60H 2001/3272
To control the revolving speed of a compressor
Official title: {to control the revolving speed of a compressor}
B60H2001/3272 (To control the revolving speed of a compressor) appears on 221 US grants and 282 published applications in this corpus.
Search patents in B60H- Granted patents
- 221
- Published applications
- 282
- Assignees
- 81
- Inventors
- 600
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 9 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 6 |
| 2004 | 4 | 7 |
| 2005 | 4 | 6 |
| 2006 | 3 | 5 |
| 2007 | 2 | 4 |
| 2008 | 4 | 3 |
| 2009 | 3 | 3 |
| 2010 | 2 | 3 |
| 2011 | 4 | 4 |
| 2012 | 0 | 3 |
| 2013 | 1 | 10 |
| 2014 | 0 | 5 |
| 2015 | 4 | 9 |
| 2016 | 5 | 9 |
| 2017 | 6 | 21 |
| 2018 | 13 | 28 |
| 2019 | 28 | 29 |
| 2020 | 28 | 16 |
| 2021 | 13 | 15 |
| 2022 | 17 | 16 |
| 2023 | 13 | 23 |
| 2024 | 14 | 15 |
| 2025 | 15 | 22 |
| 2026 | 11 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Method and apparatus for controlling an electrically driven automotive air conditioner156US 4,667,480 AGeneral Electric Company · 1987
- Vehicle air conditioning and heating system providing engine on and engine off operation124US 6,889,762 B2Bergstrom, Inc. · 2005
- Vehicle air conditioning and heating method providing engine on and engine off operation107US 7,591,303 B2Bergstrom, Inc. · 2009
- Vehicle air conditioning and heating system providing engine on and engine off operation105US 7,591,143 B2Bergstrom, Inc. · 2009
- Air conditioner70US 6,035,653 ADenso Corporation · 2000