F16D 2300/021
Cooling features not provided for in group f16d13/72 or f16d25/123
Official title: Cooling features not provided for in group F16D13/72 or F16D25/123, e.g. heat transfer details
F16D2300/021 (Cooling features not provided for in group f16d13/72 or f16d25/123) appears on 297 US grants and 272 published applications in this corpus.
Search patents in F16D- Granted patents
- 297
- Published applications
- 272
- Assignees
- 157
- Inventors
- 564
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 6 | 6 |
| 2003 | 6 | 6 |
| 2004 | 10 | 7 |
| 2005 | 3 | 5 |
| 2006 | 5 | 1 |
| 2007 | 3 | 4 |
| 2008 | 2 | 4 |
| 2009 | 3 | 5 |
| 2010 | 1 | 6 |
| 2011 | 4 | 7 |
| 2012 | 5 | 13 |
| 2013 | 8 | 20 |
| 2014 | 18 | 21 |
| 2015 | 17 | 17 |
| 2016 | 15 | 28 |
| 2017 | 20 | 30 |
| 2018 | 20 | 23 |
| 2019 | 32 | 16 |
| 2020 | 20 | 9 |
| 2021 | 14 | 11 |
| 2022 | 14 | 16 |
| 2023 | 9 | 8 |
| 2024 | 9 | 5 |
| 2025 | 7 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Propeller shaft and boot protection member of propeller shaft10 Feb 2026US 12,546,369 B2Hitachi Astemo, Ltd.
- Energy management system and methods16 Dec 2025US 12,496,914 B2
- Methods, systems and apparatus for powering a vehicle7 Oct 2025US 12,434,570 B2
- Methods, systems and apparatus for powering a vehicle23 Sep 2025US 12,420,647 B2
- Methods and apparatus for powering a vehicle9 Sep 2025US 12,409,747 B2
- Energy management system and methods27 Aug 2026US 2026/0249712 A1
- Heat transfer aide for tube mount mono-block constant joint assembly23 Oct 2025US 2025/0327490 A1Dana Automotive Systems Group, LLC
- Energy management system and methods9 Jan 2025US 2025/0010741 A1
- Propeller shaft and boot protection member of propeller shaft21 Nov 2024US 2024/0384762 A1Hitachi Astemo, Ltd.
- Duct valve for clutch assembly in off-road vehicles12 Sep 2024US 2024/0301924 A1Arctic Cat Inc.
Most cited
By later US patents
- Methods and apparatus for powering a vehicle58US 10,787,089 B12020
- Methods and apparatus for powering a vehicle53US 11,072,254 B12021
- Methods, systems and apparatus for powering a vehicle50US 11,322,311 B22022
- Hysteresis magnet coupling for roots type pumps49US 5,215,501 ANGK Insulators, Ltd. · 1993
- Methods and apparatus for powering a vehicle48US 11,117,481 B22021