G01C 13/00
Surveying specially adapted to open water
Official title: Surveying specially adapted to open water, e.g. sea, lake, river or canal (liquid level metering G01F)
G01C13/00 (Surveying specially adapted to open water) appears on 423 US grants and 420 published applications in this corpus.
Search patents in G01C- Granted patents
- 423
- Published applications
- 420
- Assignees
- 313
- Inventors
- 1,307
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 6 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 8 | 2 |
| 2003 | 7 | 5 |
| 2004 | 6 | 6 |
| 2005 | 3 | 3 |
| 2006 | 3 | 1 |
| 2007 | 2 | 4 |
| 2008 | 6 | 4 |
| 2009 | 6 | 8 |
| 2010 | 6 | 8 |
| 2011 | 4 | 11 |
| 2012 | 10 | 11 |
| 2013 | 8 | 11 |
| 2014 | 10 | 12 |
| 2015 | 17 | 22 |
| 2016 | 18 | 18 |
| 2017 | 19 | 17 |
| 2018 | 13 | 30 |
| 2019 | 23 | 24 |
| 2020 | 17 | 23 |
| 2021 | 18 | 32 |
| 2022 | 16 | 34 |
| 2023 | 40 | 30 |
| 2024 | 30 | 45 |
| 2025 | 31 | 32 |
| 2026 | 23 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device for indicating tidal water depth6 Oct 2026US 12,754,017 B2Wiesconcepts, LLC
- Seine net position measurement system and method of determining seine net position29 Sep 2026US 12,745,762 B2Caledonia Nets LLC
- Method for measuring channel flow based on bionic eagle-eye vision and apparatus thereof22 Sep 2026US 12,743,790 B2China Agricultural University
- Low complexity mixed space-time reconstruction of sea wave profiles from radar backscatter1 Sep 2026US 12,724,142 B2Kabushiki Kaisha Toshiba
- Inundation depth prediction device, and inundation depth prediction method1 Sep 2026US 12,724,161 B2Mitsubishi Electric Corporation
- Water buoy data system1 Oct 2026US 2026/0298630 A1
- Water buoy data system to stabilize an off-shore vessel24 Sep 2026US 2026/0287347 A1
- Hydrodynamic acquisition system for vessel-based underwater sensing10 Sep 2026US 2026/0266605 A1Fnv IP B.V.
- Water buoy data system to transfer shoaling status10 Sep 2026US 2026/0266606 A1
- Method and system for integrated measurement of hydrological elements in high-salinity and high-sediment environment10 Sep 2026US 2026/0266990 A1China Three Gorges University
Most cited
By later US patents
- Method, apparatus, and computer program products for alerting surface vessels to hazardous conditions157US 6,469,664 B1Honeywell International Inc. · 2002
- System and method for automatically navigating a depth contour93US 8,645,012 B2Johnson Outdoors Inc. · 2014
- System and method for displaying surf information to a user93US 9,020,538 B1Nixon, Inc. · 2015
- Method, apparatus, and computer program products for alerting surface vessels to hazardous conditions63US 6,750,815 B2Honeywell International Inc. · 2004
- Autonomous oceanographic profiler46US 5,283,767 A1994