F04B 45/00
Pumps or pumping installations having flexible working members and specially adapted for
Official title: Pumps or pumping installations having flexible working members and specially adapted for elastic fluids
F04B45/00 (Pumps or pumping installations having flexible working members and specially adapted for) appears on 1,159 US grants and 1,363 published applications in this corpus.
Search patents in F04B- Granted patents
- 1,159
- Published applications
- 1,363
- Assignees
- 585
- Inventors
- 2,013
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 4 | 0 |
| 1978 | 7 | 0 |
| 1979 | 7 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 6 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 8 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 8 | 0 |
| 1996 | 6 | 0 |
| 1997 | 6 | 0 |
| 1998 | 6 | 0 |
| 1999 | 6 | 0 |
| 2000 | 3 | 0 |
| 2001 | 9 | 4 |
| 2002 | 13 | 15 |
| 2003 | 15 | 16 |
| 2004 | 13 | 16 |
| 2005 | 9 | 22 |
| 2006 | 10 | 13 |
| 2007 | 7 | 27 |
| 2008 | 8 | 29 |
| 2009 | 13 | 29 |
| 2010 | 13 | 18 |
| 2011 | 12 | 28 |
| 2012 | 16 | 30 |
| 2013 | 26 | 47 |
| 2014 | 25 | 58 |
| 2015 | 45 | 77 |
| 2016 | 45 | 70 |
| 2017 | 55 | 115 |
| 2018 | 58 | 101 |
| 2019 | 84 | 116 |
| 2020 | 115 | 120 |
| 2021 | 85 | 104 |
| 2022 | 83 | 78 |
| 2023 | 94 | 64 |
| 2024 | 81 | 66 |
| 2025 | 65 | 48 |
| 2026 | 46 | 52 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F04B 45/04Pumps or pumping installations having flexible working members and specially adapted for900
- F04B 45/02Pumps or pumping installations having flexible working members and specially adapted for201
- F04B 45/08Pumps or pumping installations having flexible working members and specially adapted for78
- F04B 45/06Pumps or pumping installations having flexible working members and specially adapted for56
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