F02B 33/06
With reciprocating-piston pumps other than simple crankcase pumps
Official title: with reciprocating-piston pumps other than simple crankcase pumps
F02B33/06 (With reciprocating-piston pumps other than simple crankcase pumps) appears on 410 US grants and 356 published applications in this corpus.
Search patents in F02B- Granted patents
- 410
- Published applications
- 356
- Assignees
- 117
- Inventors
- 415
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 5 | 0 |
| 1980 | 6 | 0 |
| 1981 | 8 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 7 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 6 | 0 |
| 1989 | 9 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 6 | 1 |
| 2002 | 6 | 5 |
| 2003 | 6 | 10 |
| 2004 | 8 | 12 |
| 2005 | 13 | 7 |
| 2006 | 5 | 14 |
| 2007 | 8 | 26 |
| 2008 | 16 | 14 |
| 2009 | 16 | 27 |
| 2010 | 9 | 26 |
| 2011 | 14 | 20 |
| 2012 | 14 | 29 |
| 2013 | 22 | 17 |
| 2014 | 23 | 24 |
| 2015 | 16 | 13 |
| 2016 | 12 | 10 |
| 2017 | 9 | 9 |
| 2018 | 9 | 19 |
| 2019 | 13 | 17 |
| 2020 | 15 | 11 |
| 2021 | 17 | 15 |
| 2022 | 20 | 14 |
| 2023 | 13 | 8 |
| 2024 | 5 | 5 |
| 2025 | 7 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F02B 33/22With pumping cylinder situated at side of working cylinder200
- F02B 33/10With the pumping cylinder situated between working cylinder and crankcase, or with92
- F02B 33/20With pumping-cylinder axis arranged at an angle to working-cylinder axis35
- F02B 33/08With the working-cylinder head arranged between working and pumping cylinders28
- F02B 33/18With crankshaft being arranged between working and pumping cylinders18
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