F01B 25/08
Final actuators
F01B25/08 (Final actuators) appears on 21 US grants and 26 published applications in this corpus.
Search patents in F01B- Granted patents
- 21
- Published applications
- 26
- Assignees
- 15
- Inventors
- 37
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 3 |
| 2012 | 0 | 4 |
| 2013 | 1 | 0 |
| 2014 | 3 | 0 |
| 2015 | 2 | 0 |
| 2016 | 0 | 3 |
| 2017 | 1 | 2 |
| 2018 | 2 | 1 |
| 2019 | 1 | 3 |
| 2020 | 2 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 2 |
| 2023 | 2 | 2 |
| 2024 | 3 | 0 |
| 2025 | 2 | 4 |
| 2026 | 2 | 0 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Vacuum engine11 Aug 2026US 12,704,068 B2Energie-Innovation AG
- Steam engine27 Jan 2026US 12,535,005 B2Rd Estate GmbH & Co. KG
- Operating engine4 Nov 2025US 12,460,547 B2
- Compressed-air engine with integrated active chamber and active distribution with balanced valve8 Jul 2025US 12,352,171 B2Motor Development International S.A.
- Shut-off valve2 Jul 2024US 12,025,009 B2Microtecnica S.R.L.
- Steam engine10 Jul 2025US 2025/0223905 A1Rd Estate GmbH & Co. KG
- Cylinder/reciprocating-piston device, compressed air engine, and vehicle1 May 2025US 2025/0137372 A1
- Vacuum Engine17 Apr 2025US 2025/0122804 A1Energie-Innovation AG
- Operating engine16 Jan 2025US 2025/0020060 A1
- Compressed-air engine with integrated active chamber and active distribution with balanced valve21 Dec 2023US 2023/0407747 A1Motor Development International S.A.
Most cited
By later US patents
- Air motor having drop tube with knuckle ends7US 8,632,316 B2Ingersoll-Rand Company · 2014
- Air motor having a modular add on regulator7US 8,632,317 B2Ingersoll-Rand Company · 2014
- Fluid working machines and methods6US 9,091,253 B2Artemis Intelligent Power Limited · 2015
- High efficiency steam engine3US 10,774,645 B1Thermal Power Recovery LLC · 2020
- Switch gain scheduled explicit model predictive control of diesel engines3US 9,765,621 B2The Regents of the University of Michigan · 2017