G01C 5/005
Altimeters for aircraft
Official title: {altimeters for aircraft (G01C5/02, G01C5/06 take precedence)}
G01C5/005 (Altimeters for aircraft) appears on 345 US grants and 249 published applications in this corpus.
Search patents in G01C- Granted patents
- 345
- Published applications
- 249
- Assignees
- 143
- Inventors
- 566
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 6 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 11 | 0 |
| 2001 | 11 | 2 |
| 2002 | 16 | 17 |
| 2003 | 11 | 8 |
| 2004 | 10 | 7 |
| 2005 | 6 | 13 |
| 2006 | 10 | 8 |
| 2007 | 6 | 5 |
| 2008 | 10 | 10 |
| 2009 | 7 | 6 |
| 2010 | 9 | 9 |
| 2011 | 7 | 3 |
| 2012 | 8 | 4 |
| 2013 | 7 | 5 |
| 2014 | 3 | 13 |
| 2015 | 14 | 19 |
| 2016 | 17 | 9 |
| 2017 | 11 | 16 |
| 2018 | 9 | 14 |
| 2019 | 11 | 17 |
| 2020 | 13 | 14 |
| 2021 | 9 | 7 |
| 2022 | 12 | 12 |
| 2023 | 11 | 8 |
| 2024 | 9 | 10 |
| 2025 | 7 | 7 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cross-checking localization during aircraft terminal operations25 Aug 2026US 12,718,700 B2Reliable Robotics Corporation
- Air data indicating arrangement and method for calibrating the same9 Jun 2026US 12,649,586 B2Kopter Group AG
- Radar inertial vertical hybrid filter scheme resistant to terrain variations2 Jun 2026US 12,644,708 B2Honeywell International s.r.o.
- Terrain referenced navigation system5 May 2026US 12,618,679 B2Atlantic Inertial Systems Limited
- Altitude calculation method and altitude calculation program for flying body, and flying body including the same21 Apr 2026US 12,607,706 B2Hitachi, Ltd.
- Aircraft Altitude System11 Jun 2026US 2026/0160550 A1Skyryse, Inc.
- Aircraft Speed System4 Jun 2026US 2026/0153330 A1Skyryse, Inc.
- Aircraft Air Data System4 Jun 2026US 2026/0153533 A1Skyryse, Inc.
- Method, system and computer program product for forming a digital surface model based on treetops30 Apr 2026US 2026/0120403 A1
- Aircraft System Configured to Augment Lidar-Based Aircraft Air Data Measurements19 Feb 2026US 2026/0050084 A1The Boeing Company
Most cited
By later US patents
- Terrain awareness system184US 5,839,080 AAlliedSignal Inc. · 1998
- Terrain advisory system183US 4,646,244 ASundstrand Data Control, Inc. · 1987
- Adaptive ground collision avoidance system168US 5,892,462 AHoneywell Inc. · 1999
- Minimum safe altitude monitoring, indication and warning system140US 4,224,669 AThe Boeing Company · 1980
- Processing element for parallel array processors132US 4,314,349 AGoodyear Aerospace Corporation · 1982