F04B 1/34
Control not provided for in groups f04b1/02, f04b1/03, f04b1/06 or f04b1/26
Official title: Control not provided for in groups F04B1/02, F04B1/03, F04B1/06 or F04B1/26
F04B1/34 (Control not provided for in groups f04b1/02, f04b1/03, f04b1/06 or f04b1/26) appears on 21 US grants and 28 published applications in this corpus.
Search patents in F04B- Granted patents
- 21
- Published applications
- 28
- Assignees
- 24
- Inventors
- 62
- Latest grant
- 27 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 2 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 4 |
| 2017 | 1 | 1 |
| 2018 | 0 | 1 |
| 2019 | 3 | 2 |
| 2020 | 2 | 2 |
| 2021 | 3 | 1 |
| 2022 | 0 | 2 |
| 2023 | 0 | 3 |
| 2024 | 5 | 3 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Hydraulic pump27 May 2025US 12,311,519 B2Milwaukee Electric Tool Corporation
- Pump having a pressure sensor to displace a known volume of fluid from a reservoir, which stretches and contracts12 Nov 2024US 12,140,127 B2Fize Medical Ltd.
- Variable positive displacement pump actuator systems28 May 2024US 11,994,117 B2Hamilton Sundstrand Corporation
- Hydraulic piston pump for a hydraulic tool16 Apr 2024US 11,958,177 B2Milwaukee Electric Tool Corporation
- Hydraulic axial piston unit and method for controlling of a hydraulic axial piston unit2 Apr 2024US 11,946,462 B2Danfoss Power Solutions Inc.
- Pump with conduit system fluidly coupled to cylinders14 Aug 2025US 2025/0257728 A1Ingersoll-Rand Industrial U.S., Inc.
- Hydraulic pump7 Aug 2025US 2025/0249568 A1Milwaukee Electric Tool Corporation
- Pump-Based Fluid Flow Meter12 Dec 2024US 2024/0410348 A1Fize Medical Ltd.
- Hydraulic pump8 Aug 2024US 2024/0261953 A1Milwaukee Electric Tool Corporation
- Efficient five-cylinder drilling pump system, solids control system and drilling rig6 Jun 2024US 2024/0183344 A1Sichuan Honghua Petroleum Equipment Co., Ltd.
Most cited
By later US patents
- Hydraulic system with supplement pump20US 8,668,465 B2Sauer-Danfoss ApS · 2014
- High pressure variable displacement piston pump4US 7,887,302 B2General Electric Company · 2011
- Pump based fluid flow meter3US 10,240,590 B2Fize Research Ltd. · 2019
- Device and method for controlling a hydraulic machine2US 10,830,348 B2Danfoss Power Solutions GmbH & Co. OHG · 2020
- Liquid feed pump and liquid chromatography device2US 11,859,600 B2Hitachi High-Tech Corporation · 2024