F04B 2207/044
Of the rotational speed of the driving motor
Official title: of the rotational speed of the driving motor
F04B2207/044 (Of the rotational speed of the driving motor) appears on 23 US grants and 12 published applications in this corpus.
Search patents in F04B- Granted patents
- 23
- Published applications
- 12
- Assignees
- 25
- Inventors
- 55
- Latest grant
- 28 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 0 |
| 2020 | 1 | 3 |
| 2021 | 1 | 1 |
| 2022 | 3 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Operation control system of working vehicle28 Oct 2025US 12,454,813 B2Takeuchi Mfg. Co., Ltd.
- Peristaltic pump having temperature-compensated volumetric delivery16 Apr 2024US 11,959,471 B2Waters Technologies Corporation
- Low energy idling for a compressed air system8 Nov 2022US 11,493,033 B2Clark Equipment Company
- Air compressor5 Jul 2022US 11,378,072 B2Max Co., Ltd.
- Method and apparatus for controlling a variable displacement pump10 May 2022US 11,326,590 B2GM Global Technology Operations LLC
- Fluid machine and method for controlling such a machine14 May 2026US 2026/0132780 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Operation Control System Of Working Vehicle1 May 2025US 2025/0137234 A1Takeuchi Mfg. Co., Ltd.
- Peristaltic pump having temperature-compensated volumetric delivery26 Jan 2023US 2023/0028806 A1Waters Technologies Corporation
- Method and apparatus for controlling a variable displacement pump8 Jul 2021US 2021/0207594 A1GM Global Technology Operations LLC
- Air compressor15 Oct 2020US 2020/0325890 A1Max Co., Ltd.
Most cited
By later US patents
- Enteral feeding pump motor unit and method of use100US 5,531,680 AZevex, Inc. · 1996
- Variable speed hydromassage pump control71US 5,151,017 AITT Corporation · 1992
- Unitary fluid flow production and control system48US 5,307,288 A1994
- Power management control system for a hydraulic work machine24US 5,967,756 ACaterpillar Inc. · 1999
- Load sensing control system for hydraulic machine18US 5,285,642 AHitachi Construction Machinery Co., Ltd. · 1994