F04C 15/00
Component parts, details or accessories of machines, pumps or pumping installations, not
Official title: Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00 (of pumps specially adapted for elastic fluids F04C18/00 - F04C29/00)
F04C15/00 (Component parts, details or accessories of machines, pumps or pumping installations, not) appears on 2,651 US grants and 2,445 published applications in this corpus.
Search patents in F04C- Granted patents
- 2,651
- Published applications
- 2,445
- Assignees
- 1,098
- Inventors
- 4,665
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 20 | 0 |
| 1977 | 19 | 0 |
| 1978 | 15 | 0 |
| 1979 | 14 | 0 |
| 1980 | 27 | 0 |
| 1981 | 24 | 0 |
| 1982 | 28 | 0 |
| 1983 | 30 | 0 |
| 1984 | 30 | 0 |
| 1985 | 33 | 0 |
| 1986 | 30 | 0 |
| 1987 | 16 | 0 |
| 1988 | 28 | 0 |
| 1989 | 21 | 0 |
| 1990 | 21 | 0 |
| 1991 | 25 | 0 |
| 1992 | 28 | 0 |
| 1993 | 41 | 0 |
| 1994 | 33 | 0 |
| 1995 | 31 | 0 |
| 1996 | 36 | 0 |
| 1997 | 26 | 0 |
| 1998 | 28 | 0 |
| 1999 | 24 | 0 |
| 2000 | 72 | 0 |
| 2001 | 48 | 9 |
| 2002 | 44 | 33 |
| 2003 | 44 | 42 |
| 2004 | 38 | 58 |
| 2005 | 25 | 63 |
| 2006 | 35 | 45 |
| 2007 | 28 | 38 |
| 2008 | 29 | 48 |
| 2009 | 24 | 72 |
| 2010 | 40 | 79 |
| 2011 | 35 | 57 |
| 2012 | 56 | 85 |
| 2013 | 45 | 95 |
| 2014 | 67 | 132 |
| 2015 | 89 | 181 |
| 2016 | 88 | 170 |
| 2017 | 149 | 161 |
| 2018 | 118 | 164 |
| 2019 | 135 | 145 |
| 2020 | 131 | 147 |
| 2021 | 126 | 118 |
| 2022 | 132 | 135 |
| 2023 | 128 | 112 |
| 2024 | 135 | 113 |
| 2025 | 109 | 88 |
| 2026 | 53 | 55 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F04C 15/0057Driving elements, brakes, couplings, transmission specially adapted for machines or pumps1,039
- F04C 15/0003Sealing arrangements in rotary-piston machines or pumps700
- F04C 15/06Arrangements for admission or discharge of the working fluid635
- F04C 15/0042Systems for the equilibration of forces acting on the machines or pump404
- F04C 15/0088Lubrication215
- F04C 15/0096Heating185
- F04C 15/0053Venting means for starting19
Recent patents
- Process pump with dynamic seal for dry run capability6 Oct 2026US 12,753,757 B2Viking Pump, Inc.
- Fluid pump for an aircraft turbomachine, lubrication circuit and aircraft turbomachine6 Oct 2026US 12,753,758 B2Safran Aero Boosters SA
- Pump6 Oct 2026US 12,753,759 B2LG Innotek Co., Ltd.
- Dual oil pump with centrifugal shifter6 Oct 2026US 12,753,804 B1Schaeffler Technologies AG & Co. KG
- Thermistor flow path8 Sep 2026US 12,729,681 B2GHSP, Inc.
- Screw spindle pump8 Oct 2026US 2026/0309150 A1Leistritz Pumpen GmbH
- Rotor pump with dual-sided inlets1 Oct 2026US 2026/0298228 A1Joby Aero, Inc.
- Multiphase pump of the screw spindle pump type1 Oct 2026US 2026/0298229 A1Leistritz Pumpen GmbH
- Pump device1 Oct 2026US 2026/0298230 A1Mikuni Corporation
- Gerotor pump24 Sep 2026US 2026/0286956 A1Hanon Systems Efp Deutschland GmbH
Most cited
By later US patents
- Distributor apparatus with a pair of intermeshing screw rotors255US 9,938,972 B2Fish Engineering Limited · 2018
- Direct drive linear flow blood pump134US 7,074,018 B22006
- Sealless multiphase screw-pump-and-motor package132US 6,457,950 B1Flowserve Management Company · 2002
- Rod seal cartridge for progressing cavity artificial lift pumps106US 5,823,541 AKalsi Engineering, Inc. · 1998
- Fluid pump/generator with integrated motor and related stator and rotor and method of pumping fluid97US 7,021,905 B2Advanced Energy Conversion, LLC · 2006