F04B 1/326
Using wedges
Official title: using wedges
F04B1/326 (Using wedges) appears on 7 US grants and 7 published applications in this corpus.
Search patents in F04B- Granted patents
- 7
- Published applications
- 7
- Assignees
- 7
- Inventors
- 7
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 2 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 3 | 1 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydraulic pump with swash plate tilt control3 Feb 2026US 12,540,605 B2Nabtesco Corporation
- Adjusting device for an axial piston machine28 Nov 2023US 11,828,276 B2Liebherr Machines Bulle SA
- Fluid control spool1 Aug 2023US 11,713,821 B2Danfoss Power Solutions a.s,. Povazska, Slovakia
- Hydraulic pump with swash plate tilt control14 Mar 2023US 11,603,830 B2Nabtesco Corporation
- Hydraulic axial piston machine9 Jun 2015US 9,051,926 B2Danfoss A/S
- Adjusting device for an axial piston machine15 Feb 2024US 2024/0052816 A1Liebherr Machines Bulle SA
- Hydraulic pump22 Jun 2023US 2023/0193886 A1Nabtesco Corporation
- Hydraulic pump21 Nov 2019US 2019/0353150 A1Nabtesco Corporation
- Adjusting device for an axial piston machine16 May 2019US 2019/0145389 A1Liebherr Machines Bulle SA
- Fluid control spool12 Apr 2018US 2018/0100593 A1Danfoss Power Solutions a.s,. Povazska, Slovakia
Most cited
By later US patents