G02B 23/22
Underwater equipment
Official title: Underwater equipment {(for submarine periscopes G02B23/08; arrangements on floating structures of underwater viewing devices B63C11/49; arrangement of visual watch equipment on submarines B63G8/38)}
G02B23/22 (Underwater equipment) appears on 60 US grants and 18 published applications in this corpus.
Search patents in G02B- Granted patents
- 60
- Published applications
- 18
- Assignees
- 32
- Inventors
- 100
- Latest grant
- 2 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 4 | 2 |
| 2003 | 1 | 0 |
| 2004 | 2 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 2 | 2 |
| 2011 | 0 | 0 |
| 2012 | 2 | 2 |
| 2013 | 1 | 2 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 2 | 3 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 3 |
| 2022 | 2 | 0 |
| 2023 | 0 | 0 |
| 2024 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Optical system for use in an underwater environment2 Jul 2024US 12,025,903 B2Carl Zeiss Jena GmbH
- Systems and methods for gestural detection and control in immersive and interactive flume swimming pools6 Feb 2024US 11,890,505 B2Real Big Waves LLC
- Extended macro to wide angle conversion lens1 Nov 2022US 11,487,108 B2Nauticam Holdings Limited
- Systems and methods for providing computer displays in aquatic environments25 Oct 2022US 11,478,679 B2Real Big Waves LLC
- Underwater image projection display system, lighting control system and device and method of operating same10 Aug 2021US 11,087,651 B2Pentair Water Pool and Spa, Inc.
- Systems and methods for gestural detection and control in immersive and interactive flume swimming pools21 Oct 2021US 2021/0322824 A1Real Big Waves LLC
- Systems and methods for providing computer displays in aquatic environments21 Oct 2021US 2021/0327316 A1Real Big Waves LLC
- Optical system for use in an underwater environment7 Oct 2021US 2021/0311375 A1Carl Zeiss Jena GmbH
- Extended macro to wide angle conversion lens8 Oct 2020US 2020/0319454 A1Nauticam Holdings Limited
- Underwater Image Projection Display System, Lighting Control System and Device and Method of Operating Same3 Aug 2017US 2017/0221397 A1Pentair Water Pool and Spa, Inc.
Most cited
By later US patents
- Watertight housing116US 4,312,580 AEumig Elektrizitats- und Metallwaren-Industrie Gesellschaft m.b.H. · 1982
- Submersible lens fiberoptic assembly for use in PDT treatment53US 5,190,536 AHealth Research, Inc. · 1993
- Hermetically sealed binoculars28US 4,205,894 ABell & Howell Company · 1980
- Dual-view, immersible periscope26US 5,526,177 AMobi, LLC · 1996
- Camera housing optical sealing method and device24US 4,113,137 ACohu GmbH · 1978