F04C 2270/05
Speed
F04C2270/05 (Speed) appears on 160 US grants and 195 published applications in this corpus.
Search patents in F04C- Granted patents
- 160
- Published applications
- 195
- Assignees
- 124
- Inventors
- 384
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 3 |
| 2003 | 0 | 2 |
| 2004 | 1 | 3 |
| 2005 | 1 | 5 |
| 2006 | 4 | 6 |
| 2007 | 1 | 3 |
| 2008 | 2 | 4 |
| 2009 | 2 | 2 |
| 2010 | 2 | 7 |
| 2011 | 4 | 7 |
| 2012 | 3 | 1 |
| 2013 | 7 | 9 |
| 2014 | 4 | 6 |
| 2015 | 4 | 8 |
| 2016 | 2 | 9 |
| 2017 | 5 | 10 |
| 2018 | 8 | 14 |
| 2019 | 8 | 13 |
| 2020 | 10 | 11 |
| 2021 | 11 | 20 |
| 2022 | 10 | 12 |
| 2023 | 16 | 16 |
| 2024 | 15 | 14 |
| 2025 | 13 | 5 |
| 2026 | 9 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Scroll-type electric compressor6 Oct 2026US 12,753,761 B2Sanden Corporation
- Electrical sprayer22 Sep 2026US 12,742,452 B2Mmlj, Inc
- Progressive cavity pump system having reverse mode8 Sep 2026US 12,729,682 B2Schlumberger Technology Corporation
- Variable-speed refrigerating scroll compressor with an oil flow regulating device28 Jul 2026US 12,692,864 B2Danfoss Commercial Compressors
- Fluid rotary machine with an encoder module23 Jun 2026US 12,662,985 B2Danfoss Power Solutions ApS
- Reducing power consumption in vacuum pumps1 Oct 2026US 2026/0298240 A1Edwards Limited
- Linear actuator assembly and system21 May 2026US 2026/0139694 A1Project Phoenix, LLC
- Scroll-type electric compressor7 May 2026US 2026/0126044 A1Sanden Corporation
- Control system for a smart pump located within a lubrication/cooling assembly12 Mar 2026US 2026/0071622 A1GHSP, Inc.
- Electric compressor12 Mar 2026US 2026/0071624 A1Kabushiki Kaisha Toyota Jidoshokki
Most cited
By later US patents
- Method of controlling motor drive speed44US 7,259,533 B2LG Electronics Inc. · 2007
- Electrically operated hydraulic pump42US 7,927,079 B2Aisin Seiki Kabushiki Kaisha · 2011
- Variable displacement pump34US 5,538,400 AJidosha Kiki Co., Ltd. · 1996
- Electric-motor-driven oil pump control system25US 8,475,137 B2Hitachi Automotive Systems, Ltd. · 2013
- Variable displacement pump and control therefore for supplying lubricant to an engine19US 7,018,178 B2BorgWarner Inc. · 2006