F04B 2201/06
Valve parameters
F04B2201/06 (Valve parameters) appears on 143 US grants and 158 published applications in this corpus.
Search patents in F04B- Granted patents
- 143
- Published applications
- 158
- Assignees
- 112
- Inventors
- 309
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 1 | 2 |
| 2006 | 2 | 1 |
| 2007 | 0 | 5 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 6 | 5 |
| 2013 | 2 | 8 |
| 2014 | 3 | 3 |
| 2015 | 2 | 5 |
| 2016 | 3 | 15 |
| 2017 | 4 | 4 |
| 2018 | 7 | 19 |
| 2019 | 15 | 21 |
| 2020 | 12 | 15 |
| 2021 | 11 | 14 |
| 2022 | 12 | 9 |
| 2023 | 12 | 9 |
| 2024 | 9 | 6 |
| 2025 | 6 | 6 |
| 2026 | 8 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Controlling suction valves of a fluid pump18 Aug 2026US 12,710,035 B2SPM Oil & Gas Inc.
- Monitoring method for monitoring the operation of a dosing pump and dosing pump system11 Aug 2026US 12,704,120 B2Grundfos Holding A/S
- Loading a fluidic element11 Aug 2026US 12,704,121 B2Dionex Softron GmbH
- Multiple diaphragm pump28 Apr 2026US 12,612,905 B2Blue-White Industries, Ltd.
- Reciprocating compressor valve system with embedded sensor17 Feb 2026US 12,553,428 B2Nuovo Pignone Tecnologie Srl
- Method for controlling a circulation pump2 Jul 2026US 2026/0185528 A1Grundfos Holding A/S
- Controlling suction valves of a fluid pump28 May 2026US 2026/0146602 A1SPM Oil & Gas Inc.
- Multi-piece fluid end21 May 2026US 2026/0139669 A1Kerr Machine Co.
- Intuitive Natural Gas Compressor Monitoring System30 Apr 2026US 2026/0117763 A1Inpro/Seal LLC
- Method for determining a leak rate in a displacement pump18 Dec 2025US 2025/0382957 A1Tecan Trading AG
Most cited
By later US patents
- Linear peristaltic pump249US 6,213,739 B1Niagara Pump Corporation · 2001
- Control system for timing a sequence of events102US 5,174,472 ARaque Food Systems, Inc. · 1992
- Status monitoring and failure diagnosis system for plunger pump100US 11,401,927 B2American Jereh International Corporation · 2022
- Free-diaphragm pump82US 6,106,246 ATrebor International, Inc. · 2000
- Method of observing the pumping characteristics of a positive displacement pump77US 4,705,459 ADowell Schlumberger Incorporated · 1987