F04D 13/028
The driving means being a planetary gear
Official title: {the driving means being a planetary gear}
F04D13/028 (The driving means being a planetary gear) appears on 35 US grants and 45 published applications in this corpus.
Search patents in F04D- Granted patents
- 35
- Published applications
- 45
- Assignees
- 39
- Inventors
- 120
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 3 |
| 2009 | 1 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 3 |
| 2015 | 2 | 0 |
| 2016 | 2 | 4 |
| 2017 | 1 | 3 |
| 2018 | 1 | 2 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 7 |
| 2022 | 5 | 3 |
| 2023 | 1 | 7 |
| 2024 | 3 | 3 |
| 2025 | 5 | 2 |
| 2026 | 1 | 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
- High-speed fluidic device20US 6,994,531 B2Nsk Ltd. · 2006
- Deep well pumping apparatus19US 5,960,886 AWeatherford International, Inc. · 1999
- Removable mechanical circulatory support for short term use15US 11,116,959 B22021
- High-speed rotation system14US 4,091,687 AGutehoffnungshutte Sterkrade Aktiengesellschaft · 1978
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