F04B 7/0069
For a sliding member
Official title: {for a sliding member}
F04B7/0069 (For a sliding member) appears on 20 US grants and 25 published applications in this corpus.
Search patents in F04B- Granted patents
- 20
- Published applications
- 25
- Assignees
- 14
- Inventors
- 39
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 2 |
| 2016 | 0 | 5 |
| 2017 | 0 | 0 |
| 2018 | 2 | 2 |
| 2019 | 3 | 3 |
| 2020 | 2 | 3 |
| 2021 | 1 | 4 |
| 2022 | 4 | 0 |
| 2023 | 1 | 2 |
| 2024 | 3 | 2 |
| 2025 | 3 | 0 |
By publication year.
Recent patents
- Dosage pump with low energy consumption14 Oct 2025US 12,442,362 B2Ecolab USA Inc.
- Axial piston variable displacement hydraulic devices, such as hydraulic motors, and methods of operating same3 Jun 2025US 12,320,412 B2Regents of the University of Minnesota
- Valves25 Mar 2025US 12,258,959 B2Jacobsen Innovations, Inc.
- Low hysteresis piezo-electric pump1 Oct 2024US 12,104,588 B2Protec Co., Ltd.
- Power end frame assembly for reciprocating pump13 Feb 2024US 11,898,553 B2SPM Oil & Gas Inc.
- Dosage pump with low energy consumption7 Nov 2024US 2024/0369049 A1Ecolab USA Inc.
- Axial piston variable displacement hydraulic devices, such as hydraulic motors, and methods of operating same7 Mar 2024US 2024/0077135 A1Regents of the University of Minnesota
- Low hysteresis piezo-electric pump29 Jun 2023US 2023/0204028 A1Protec Co., Ltd.
- Support for recipricating pump9 Feb 2023US 2023/0039253 A1SPM Oil & Gas Inc.
- Precision, constant-flow reciprocating pump23 Sep 2021US 2021/0293226 A1Swissinnov Product Sarl
Most cited
By later US patents
- Support for reciprocating pump10US 9,879,659 B2S,P.M. Flow Control, Inc. · 2018
- Anti-gas lock valve for a reciprocating downhole pump8US 10,174,752 B2Innovative Oilfield Consultants LTD Operating as Conn Pumps · 2019
- Support for reciprocating pump7US 10,520,037 B2S,P.M. Flow Control, Inc. · 2019
- Bearing system for reciprocating pump and method of assembly5US 10,087,992 B2S,P.M. Flow Control, Inc. · 2018
- Support for reciprocating pump5US 11,204,030 B2SPM Oil & Gas Inc. · 2021