H01H 2231/044
Under water
H01H2231/044 (Under water) appears on 20 US grants and 17 published applications in this corpus.
Search patents in H01H- Granted patents
- 20
- Published applications
- 17
- Assignees
- 21
- Inventors
- 34
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 2 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 3 | 2 |
| 2014 | 1 | 0 |
| 2015 | 1 | 2 |
| 2016 | 2 | 2 |
| 2017 | 0 | 2 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Self-passivating metal circuit devices for use in a submerged ambient environment24 Mar 2026US 12,586,737 B2Northrop Grumman Systems Corporation
- Subsea replaceable fuse assembly7 Jan 2020US 10,529,524 B2Subsea 7 Limited
- Communication distribution unit containing at least one power switch3 Sep 2019US 10,404,053 B2OneSubsea IP UK Limited
- Double pole-double throw proximity switch10 Jul 2018US 10,020,147 B2General Equipment and Manufacturing Company, Inc.
- Subsea fuse29 Nov 2016US 9,508,517 B2Siemens Aktiengesellschaft
- Self-passivating metal circuit devices for use in a submerged ambient environment22 May 2025US 2025/0166936 A1Northrop Grumman Systems Corporation
- Pinpointer detector automatically switching to underwater mode31 Oct 2024US 2024/0361484 A1
- Keyswitch and Keyboard23 Sep 2021US 2021/0296062 A1LITE-ON Technology (Chang Zhou) Co., LTD.
- Communication distribution unit containing at least one power switch17 Aug 2017US 2017/0237249 A1Onesubsea, LLC
- Subsea Replaceable Fuse Assembly23 Feb 2017US 2017/0053767 A1Subsea 7 Limited
Most cited
By later US patents
- Waterproof keyboard62US 7,012,206 B2Keytec, Inc. · 2006
- Touch contact switch47US 4,952,761 APreh-Werke GmbH & Co. KG · 1990
- Pressure-compensated key switch29US 5,514,843 A1996
- Waterproof operating device with one or more capacitive switches21US 8,519,286 B1Pioneer & Co., lnc. · 2013
- Underwater zoom switch16US 5,089,671 A1992