F04B 2201/0603
Valve wear
F04B2201/0603 (Valve wear) appears on 17 US grants and 27 published applications in this corpus.
Search patents in F04B- Granted patents
- 17
- Published applications
- 27
- Assignees
- 17
- Inventors
- 47
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2007 | 0 | 3 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 2 |
| 2017 | 0 | 0 |
| 2018 | 0 | 5 |
| 2019 | 3 | 3 |
| 2020 | 2 | 3 |
| 2021 | 2 | 3 |
| 2022 | 1 | 1 |
| 2023 | 0 | 2 |
| 2024 | 2 | 1 |
| 2025 | 0 | 0 |
| 2026 | 2 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Monitoring method for monitoring the operation of a dosing pump and dosing pump system11 Aug 2026US 12,704,120 B2Grundfos Holding A/S
- Multi-piece fluid end10 Feb 2026US 12,546,308 B2Kerr Machine Co.
- Pump wear detection system3 Sep 2024US 12,078,163 B2National Oilwell Varco, L. P.
- Valve device26 Mar 2024US 11,940,048 B2Mikuni Corporation
- Status monitoring and failure diagnosis system for plunger pump2 Aug 2022US 11,401,927 B2American Jereh International Corporation
- Multi-piece fluid end21 May 2026US 2026/0139669 A1Kerr Machine Co.
- Multi-piece fluid end1 Aug 2024US 2024/0254979 A1Kerr Machine Co.
- Pump wear detection system26 Oct 2023US 2023/0340954 A1National Oilwell Varco, L. P.
- Monitoring System for Reciprocating Pumps10 Aug 2023US 2023/0250817 A1FMC Technologies, Inc.
- Monitoring method for monitoring the operation of a dosing pump and dosing pump system29 Dec 2022US 2022/0412334 A1Grundfos Holding A/S
Most cited
By later US patents
- Status monitoring and failure diagnosis system for plunger pump100US 11,401,927 B2American Jereh International Corporation · 2022
- Frac pump valve assembly62US 10,711,778 B2ST9 Gas and Oil, LLC · 2020
- System and method for determining onset of failure modes in a positive displacement pump17US 8,366,402 B2Schlumberger Technology Corporation · 2013
- Critical valve performance monitoring system15US 10,480,296 B2Halliburton Energy Services.Inc. · 2019
- Method and system for monitoring a reciprocating compressor valve13US 8,147,211 B2General Electric Company · 2012