B25J 19/068
Actuating means with variable stiffness
Official title: {Actuating means with variable stiffness}
B25J19/068 (Actuating means with variable stiffness) appears on 54 US grants and 70 published applications in this corpus.
Search patents in B25J- Granted patents
- 54
- Published applications
- 70
- Assignees
- 63
- Inventors
- 193
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 0 | 3 |
| 2015 | 4 | 4 |
| 2016 | 4 | 5 |
| 2017 | 3 | 3 |
| 2018 | 5 | 6 |
| 2019 | 2 | 7 |
| 2020 | 7 | 15 |
| 2021 | 6 | 4 |
| 2022 | 8 | 5 |
| 2023 | 4 | 2 |
| 2024 | 5 | 5 |
| 2025 | 1 | 4 |
| 2026 | 5 | 3 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Thermal-based variable impedance actuator6 Oct 2026US 12,752,444 B2University of North Texas
- Rigidity control apparatus, endoscope system, and rigidity control method15 Sep 2026US 12,733,797 B2Olympus Medical Systems Corp.
- Variable-stiffness mechanism11 Aug 2026US 12,703,084 B2NUtech Ventures
- Infinite-rotation infinite-stiffness variable stiffness actuator (IRISVSA) with application for compliant supernumerary robotic limb21 Apr 2026US 12,605,855 B2Khalifa University of Science and Technology
- Soft variable impedance actuator using embedded jamming layer17 Mar 2026US 12,577,968 B2The Board of Trustees of the Leland Stanford Junior University
- Special equipment safety supervision inspection institute of jiangsu province23 Jul 2026US 2026/0208374 A1Nanjing Institute Of Technology
- Variable-stiffness mechanism based on compliant beams30 Apr 2026US 2026/0117841 A1NUtech Ventures
- Variable stiffness mechanism12 Feb 2026US 2026/0042201 A1Board of Regents of the University of Nebraska
- Joint restraint system for an animated figure5 Jun 2025US 2025/0177880 A1Universal City Studios LLC
- Variable-stiffness mechanism3 Apr 2025US 2025/0108503 A1NUtech Ventures
Most cited
By later US patents
- Variable stiffness robotic joint system14US 10,040,206 B2Korea University Research and Business Foundation · 2018
- Variable spring constant torque coupler5US 9,676,104 B2Yaskawa America, Inc. · 2017
- Variable stiffness series elastic actuator4US 11,192,266 B2Marquette University · 2021
- Articulated joint4US 8,950,967 B2Vrije Universiteit Brussel · 2015
- Multimode control system for magnetorheological fluid actuator unit3US 10,746,235 B2Exonetik Inc. · 2020