F04B 2201/0207
Number of pumping strokes in unit time
F04B2201/0207 (Number of pumping strokes in unit time) appears on 37 US grants and 32 published applications in this corpus.
Search patents in F04B- Granted patents
- 37
- Published applications
- 32
- Assignees
- 38
- Inventors
- 88
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 4 |
| 2010 | 1 | 2 |
| 2011 | 1 | 0 |
| 2012 | 3 | 4 |
| 2013 | 2 | 3 |
| 2014 | 1 | 2 |
| 2015 | 1 | 0 |
| 2016 | 2 | 1 |
| 2017 | 1 | 0 |
| 2018 | 2 | 0 |
| 2019 | 0 | 3 |
| 2020 | 1 | 1 |
| 2021 | 1 | 2 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 1 |
| 2025 | 2 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Predicting frac pump component life interval6 Oct 2026US 12,753,750 B2Typhon Technology Solutions (U.S.), LLC
- Inline landfill pump cycle counter9 Dec 2025US 12,492,696 B2Graco Minnesota Inc.
- Pump systems and methods to improve pump load predictions20 May 2025US 12,305,632 B2Landmark Graphics Corporation
- Method and device for controlling capacity change of compressor, and smart home appliance5 Dec 2023US 11,835,040 B2Gree Electric Appliances, Inc. of Zhuhai
- System and method for monitoring operations of equipment by sensing deformity in equipment housing2 Aug 2022US 11,401,929 B2SPM Oil & Gas Inc.
- Pneumatic Pump Cycle Counter25 Jun 2026US 2026/0176959 A1Shady Grove Road Investments, LLC
- Pneumatic Pump Cycle Counter12 Feb 2026US 2026/0043327 A1
- Alternative apparatuses and methods to determine chemical injection dose using a positive displacement pump16 Jan 2025US 2025/0020113 A1
- Predicting frac pump component life interval22 Feb 2024US 2024/0060484 A1Typhon Technology Solutions, LLC
- Inline landfll pump cycle counter22 Jun 2023US 2023/0193895 A1Q.E.D. Environmental Systems, Inc.
Most cited
By later US patents
- Method of observing the pumping characteristics of a positive displacement pump77US 4,705,459 ADowell Schlumberger Incorporated · 1987
- Vibrating compressor71US 5,897,296 AMatsushita Electric Industrial Co., Ltd. · 1999
- Downhole pump monitoring system50US 5,654,504 A1997
- System and device for supplying desired liquid volumes by means of a metering pump in variable flow rate condition43US 4,994,984 ATecnolab Snc di Sanna Massimo & C. · 1991
- Oil well pumpoff control system41US 3,936,231 ADresser Industries, Inc. · 1976