B25D 2250/311
Ultrasonic percussion means
B25D2250/311 (Ultrasonic percussion means) appears on 3 US grants and 4 published applications in this corpus.
Search patents in B25D- Granted patents
- 3
- Published applications
- 4
- Assignees
- 2
- Inventors
- 12
- Latest grant
- 1 Aug 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 2 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year.
Recent patents
- Dual frequency ultrasonic and sonic actuator with constrained impact mass1 Aug 2023US 11,712,717 B2California Institute of Technology
- Ultrasonic/sonic jackhammer16 Dec 2014US 8,910,727 B2California Institute of Technology
- Percussive augmenter of rotary drills for operating as a rotary-hammer drill4 Feb 2014US 8,640,786 B2California Institute of Technology
- Dual frequency ultrasonic and sonic actuator with constrained impact mass3 Oct 2019US 2019/0299252 A1California Institute of Technology
- Percussive augmenter of rotary drills for operating as a rotary-hammer drill28 Apr 2011US 2011/0094765 A1California Institute of Technology
- Method of Making an Udersea Pipe, the Method Including Peening Assembly Welds Inside the Pipe17 Jun 2010US 2010/0147047 A1Saipem S.P.A.
- Ultrasonic/sonic jackhammer23 Aug 2007US 2007/0193757 A1California Institute of Technology
Most cited
By later US patents