F04B 2205/00
Fluid parameters
F04B2205/00 (Fluid parameters) appears on 1,720 US grants and 1,613 published applications in this corpus.
Search patents in F04B- Granted patents
- 1,720
- Published applications
- 1,613
- Assignees
- 941
- Inventors
- 3,667
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 11 | 0 |
| 1986 | 0 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 10 | 0 |
| 1991 | 5 | 0 |
| 1992 | 17 | 0 |
| 1993 | 25 | 0 |
| 1994 | 29 | 0 |
| 1995 | 27 | 0 |
| 1996 | 42 | 0 |
| 1997 | 46 | 0 |
| 1998 | 50 | 0 |
| 1999 | 55 | 0 |
| 2000 | 66 | 0 |
| 2001 | 57 | 19 |
| 2002 | 54 | 30 |
| 2003 | 49 | 41 |
| 2004 | 32 | 52 |
| 2005 | 18 | 45 |
| 2006 | 33 | 25 |
| 2007 | 18 | 38 |
| 2008 | 15 | 57 |
| 2009 | 13 | 34 |
| 2010 | 32 | 49 |
| 2011 | 28 | 28 |
| 2012 | 29 | 48 |
| 2013 | 22 | 52 |
| 2014 | 40 | 36 |
| 2015 | 30 | 42 |
| 2016 | 33 | 44 |
| 2017 | 44 | 81 |
| 2018 | 34 | 112 |
| 2019 | 85 | 111 |
| 2020 | 94 | 103 |
| 2021 | 95 | 141 |
| 2022 | 102 | 102 |
| 2023 | 93 | 102 |
| 2024 | 109 | 91 |
| 2025 | 94 | 76 |
| 2026 | 48 | 54 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F04B 2205/05Pressure after the pump outletIndexing code556
- F04B 2205/09Flow through the pumpIndexing code524
- F04B 2205/06Pressure in a circuitIndexing code187
- F04B 2205/03Pressure in the compression chamberIndexing code160
- F04B 2205/01Pressure before the pump inletIndexing code144
- F04B 2205/11Outlet temperatureIndexing code144
- F04B 2205/04Pressure in the outlet chamberIndexing code140
- F04B 2205/10Inlet temperatureIndexing code97
All 19 subgroupsShow fewer
- F04B 2205/50Presence of foreign matter in the fluidIndexing code75
- F04B 2205/02Pressure in the inlet chamberIndexing code61
- F04B 2205/07Pressure difference over the pumpIndexing code60
- F04B 2205/08Pressure difference over a throttleIndexing code58
- F04B 2205/16Opening or closing of a valve in a circuitIndexing code47
- F04B 2205/15Fluid parameters: by-passing over the pumpIndexing code45
- F04B 2205/17Opening width of a throttling deviceIndexing code43
- F04B 2205/13Pressure pulsations after the pumpIndexing code40
- F04B 2205/18Pressure in a control cylinder/piston unitIndexing code26
- F04B 2205/14ViscosityIndexing code16
- F04B 2205/12Pressure pulsations before the pumpIndexing code6
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Most cited
By later US patents
- Hose pump for the exact dosing of small quantities of liquids1,512US 5,693,020 ALoctite Europa E.E.I.G. (E.W.I.V.) · 1997
- Drug pump systems and methods1,088US 5,935,099 ASIMS Deltec, Inc. · 1999
- Pump simulation apparatus1,024US 5,485,408 ASIMS Deltec, Inc. · 1996
- Systems and methods for communicating with ambulatory medical devices such as drug delivery devices851US 5,338,157 APharmacia Deltec, Inc. · 1994
- Drug pump systems and methods658US 6,241,704 B1SIMS Deltec, Inc. · 2001