F04B 45/047
Pumps having electric drive
F04B45/047 (Pumps having electric drive) appears on 587 US grants and 709 published applications in this corpus.
Search patents in F04B- Granted patents
- 587
- Published applications
- 709
- Assignees
- 257
- Inventors
- 924
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 3 |
| 2002 | 7 | 5 |
| 2003 | 3 | 5 |
| 2004 | 4 | 7 |
| 2005 | 3 | 11 |
| 2006 | 6 | 4 |
| 2007 | 4 | 14 |
| 2008 | 6 | 8 |
| 2009 | 4 | 10 |
| 2010 | 6 | 4 |
| 2011 | 5 | 9 |
| 2012 | 5 | 10 |
| 2013 | 9 | 26 |
| 2014 | 11 | 19 |
| 2015 | 21 | 36 |
| 2016 | 21 | 26 |
| 2017 | 26 | 65 |
| 2018 | 29 | 67 |
| 2019 | 46 | 85 |
| 2020 | 68 | 69 |
| 2021 | 59 | 64 |
| 2022 | 51 | 46 |
| 2023 | 62 | 29 |
| 2024 | 45 | 38 |
| 2025 | 33 | 20 |
| 2026 | 28 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Piezoelectric MEMS-based active cooling for heat dissipation in compute devices22 Sep 2026US 12,745,638 B2Frore Systems Inc.
- Diaphragm pump drive for an electric pump1 Sep 2026US 12,723,581 B2Graco Minnesota Inc.
- Multi-pressure integrated air pump18 Aug 2026US 12,710,032 B2Intex Marketing Ltd.
- Electronic vaporiser system28 Jul 2026US 12,690,610 B2Ayr Ltd.
- Aerosol-generating system and method of dispensing liquid aerosol-forming substrate with pumped air7 Jul 2026US 12,672,676 B2Altria Client Services LLC
- Negative pressure wound therapy apparatus and methods17 Sep 2026US 2026/0273165 A1Smith & Nephew, Inc.
- Fluid control device17 Sep 2026US 2026/0275978 A1Murata Manufacturing Co., Ltd.
- Pump device and program for pump device17 Sep 2026US 2026/0275982 A1Murata Manufacturing Co., Ltd.
- Haptic feedback device for virtual reality (vr) and augmented reality (ar)30 Jul 2026US 2026/0218697 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Diaphragm Pump23 Jul 2026US 2026/0210347 A1Cytiva Sweden AB
Most cited
By later US patents
- Piezoelectric vacuum pump and method152US 6,450,773 B1Terabeam Corporation · 2002
- Negative pressure wound therapy apparatus120US 9,427,505 B2Smith & Nephew, Inc. · 2016
- Disc pump with advanced actuator105US 9,127,665 B2KCI Licensing, Inc. · 2015
- Cascade compressor98US 5,078,581 AInternational Business Machines Corporation · 1992
- Diaphragm pump and pump mounted in a carrying case useful in breast pumping91US 5,776,098 AMedela, Inc. · 1998