F04B 2201/0206
Length of piston stroke
F04B2201/0206 (Length of piston stroke) appears on 136 US grants and 129 published applications in this corpus.
Search patents in F04B- Granted patents
- 136
- Published applications
- 129
- Assignees
- 85
- Inventors
- 273
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 12 | 0 |
| 2001 | 11 | 2 |
| 2002 | 7 | 12 |
| 2003 | 11 | 6 |
| 2004 | 3 | 7 |
| 2005 | 4 | 7 |
| 2006 | 5 | 13 |
| 2007 | 3 | 6 |
| 2008 | 12 | 5 |
| 2009 | 4 | 8 |
| 2010 | 2 | 1 |
| 2011 | 1 | 3 |
| 2012 | 7 | 0 |
| 2013 | 0 | 7 |
| 2014 | 1 | 3 |
| 2015 | 1 | 1 |
| 2016 | 3 | 0 |
| 2017 | 2 | 2 |
| 2018 | 3 | 6 |
| 2019 | 2 | 7 |
| 2020 | 4 | 9 |
| 2021 | 5 | 3 |
| 2022 | 4 | 4 |
| 2023 | 1 | 5 |
| 2024 | 5 | 3 |
| 2025 | 3 | 4 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dynamic calibration and correction of stroke volume of a pump6 Oct 2026US 12,754,059 B2Fenwal, Inc.
- Method for operating a construction-material and/or viscous-material pump for conveying construction material and/or viscous material, and construction-material and/or viscous-material pump for conveying construction material and/or viscous material28 Jul 2026US 12,692,860 B2Putzmeister Engineering GmbH
- Pumping control method and apparatus, material distribution method and apparatus as well as distribution device28 Apr 2026US 12,612,908 B2Zoomlion Heavy Industry Science and Technology Co., Ltd.
- Regenerative pumping system and method27 Jan 2026US 12,535,087 B2Artificial Lift Production International Corp.
- Pump comprising cooling means7 Oct 2025US 12,435,714 B2F2M
- Method for operating a linear motor compressor, and linear motor compressor13 Aug 2026US 2026/0235117 A1Burckhardt Compression AG
- Variable displacement pump28 May 2026US 2026/0146598 A1MG&G Pump & Supply Company
- Variable displacement pump and method for regulating such pump30 Apr 2026US 2026/0117761 A1Casappa S.P.A.
- Hermetic reciprocating compressor15 Jan 2026US 2026/0015998 A1Samsung Electronics Co., Ltd.
- Pump and fluid displacer for a pump1 Jan 2026US 2026/0002526 A1Graco Minnesota Inc.
Most cited
By later US patents
- Apparatus for controlling driving of reciprocating compressor and method thereof1,026US 7,408,310 B2LG Electronics Inc. · 2008
- Linear peristaltic pump249US 6,213,739 B1Niagara Pump Corporation · 2001
- Pump control and method of operating same95US 6,174,136 B1Liquid Metronics Incorporated · 2001
- Free-diaphragm pump82US 6,106,246 ATrebor International, Inc. · 2000
- Linear motor compressor and its application in cooling system73US 5,818,131 A1998