F05
Indexing schemes relating to engines or pumps in various subclasses of classes
Official title: Indexing schemes relating to engines or pumps in various subclasses of classes f01-f04
F05 (Indexing schemes relating to engines or pumps in various subclasses of classes) appears on 64,005 US grants and 71,447 published applications in this corpus.
Search patents in F05- Granted patents
- 64,005
- Published applications
- 71,447
- Assignees
- 9,087
- Inventors
- 80,073
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 154 | 0 |
| 1977 | 155 | 0 |
| 1978 | 154 | 0 |
| 1979 | 132 | 0 |
| 1980 | 171 | 0 |
| 1981 | 192 | 0 |
| 1982 | 190 | 0 |
| 1983 | 184 | 0 |
| 1984 | 231 | 0 |
| 1985 | 259 | 0 |
| 1986 | 183 | 0 |
| 1987 | 244 | 0 |
| 1988 | 252 | 0 |
| 1989 | 277 | 0 |
| 1990 | 234 | 0 |
| 1991 | 284 | 0 |
| 1992 | 347 | 0 |
| 1993 | 332 | 0 |
| 1994 | 353 | 0 |
| 1995 | 388 | 0 |
| 1996 | 417 | 0 |
| 1997 | 409 | 0 |
| 1998 | 466 | 0 |
| 1999 | 450 | 0 |
| 2000 | 544 | 0 |
| 2001 | 654 | 183 |
| 2002 | 685 | 607 |
| 2003 | 703 | 725 |
| 2004 | 651 | 999 |
| 2005 | 633 | 1109 |
| 2006 | 759 | 1208 |
| 2007 | 713 | 1520 |
| 2008 | 755 | 1720 |
| 2009 | 900 | 2089 |
| 2010 | 1196 | 2881 |
| 2011 | 1489 | 2732 |
| 2012 | 2012 | 2904 |
| 2013 | 2025 | 3191 |
| 2014 | 2290 | 3086 |
| 2015 | 2135 | 3617 |
| 2016 | 2205 | 4724 |
| 2017 | 2833 | 4463 |
| 2018 | 3522 | 4809 |
| 2019 | 4684 | 4478 |
| 2020 | 4885 | 4829 |
| 2021 | 4242 | 4026 |
| 2022 | 4278 | 3740 |
| 2023 | 3749 | 3516 |
| 2024 | 3901 | 3320 |
| 2025 | 3302 | 2779 |
| 2026 | 1802 | 2192 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subclasses
Granted patents
- F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or45,337
- F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to16,291
- F05CIndexing scheme relating to materials, material properties or material characteristics for machines4,119
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Most cited
By later US patents
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- Star gear system with lubrication circuit and lubrication method therefor618US 6,223,616 B1United Technologies Corporation · 2001