B06B 2201/74
Underwater
B06B2201/74 (Underwater) appears on 41 US grants and 50 published applications in this corpus.
Search patents in B06B- Granted patents
- 41
- Published applications
- 50
- Assignees
- 35
- Inventors
- 113
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 2 | 4 |
| 2005 | 0 | 0 |
| 2006 | 1 | 2 |
| 2007 | 0 | 0 |
| 2008 | 3 | 0 |
| 2009 | 0 | 0 |
| 2010 | 2 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 3 |
| 2018 | 0 | 0 |
| 2019 | 3 | 6 |
| 2020 | 1 | 7 |
| 2021 | 1 | 3 |
| 2022 | 3 | 2 |
| 2023 | 5 | 5 |
| 2024 | 3 | 2 |
| 2025 | 6 | 6 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sonar system including transducer elements with a gap therebetween14 Apr 2026US 12,601,819 B2Navico, Inc.
- Acoustic transmitting antenna2 Dec 2025US 12,487,348 B2Thales
- Ceramic stack assembly fixture30 Sep 2025US 12,433,166 B2
- Amplifier circuit and sonar19 Aug 2025US 12,395,131 B2Furuno Electric Co., Ltd.
- Enhanced algae control system transducer17 Jun 2025US 12,330,964 B2
- Rotating flapping-wing underwater low-frequency sound device and control method thereof24 Sep 2026US 2026/0284705 A1Hunan University of Science and Technology
- Intelligent underwater acoustic imaging system and corresponding method24 Sep 2026US 2026/0287743 A1Wass Submarine Systems S.r.l.
- Wide bandwidth dual-mode sonar transducer with controllable resonance frequencies23 Apr 2026US 2026/0110788 A1Amphenol (Maryland), Inc.
- Ultrawide Beam Transducer12 Mar 2026US 2026/0070087 A1Airmar Technology Corporation
- Acoustic communication with submerged robots18 Dec 2025US 2025/0382812 A1Maytronics Ltd.
Most cited
By later US patents
- Apparatus for establishing and/or monitoring a predetermined filling level in a container25US 5,969,621 AEndress + Hauser GmbH + Co. KG · 1999
- Active housing broadband tonpilz transducer24US 6,690,621 B2Lockheed Martin Corporation · 2004
- Transmission signal shaping systems and methods15US 10,436,887 B2FLIR Systems, Inc. · 2019
- Sensor channel isolation systems and methods9US 10,365,356 B2FLIR Systems, Inc. · 2019
- Ultrasonic transmitter, ultrasonic transceiver and sounding apparatus7US 7,372,775 B2Furuno Electric Co., Ltd. · 2008