G01S 1/18
Elevational guidance systems
Official title: Elevational guidance systems, e.g. system for defining aircraft glide path
G01S1/18 (Elevational guidance systems) appears on 33 US grants and 16 published applications in this corpus.
Search patents in G01S- Granted patents
- 33
- Published applications
- 16
- Assignees
- 18
- Inventors
- 65
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 2 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 3 |
| 2018 | 2 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 2 | 0 |
| 2022 | 1 | 2 |
| 2023 | 3 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Reducing measurement and reporting overhead for aerial vehicles25 Aug 2026US 12,716,978 B2QUALCOMM Incorporated
- Apparatus and method for low overhead frequency-averaged beam pattern feedback in millimeter wave positioning systems12 Sep 2023US 11,757,507 B2QUALCOMM Incorporated
- Systems and methods for providing a barometric altitude monitor22 Aug 2023US 11,733,037 B2Aviation Communication & Surveillance Systems, LLL
- Antenna and glide path array for small footprint aircraft precision approach and landing system16 May 2023US 11,650,311 B2Thales USA, Inc.
- Apparatus and method for low overhead frequency-averaged beam pattern feedback in millimeter wave positioning systems15 Mar 2022US 11,277,180 B1QUALCOMM Incorporated
- Reducing measurement and reporting overhead for aerial vehicles18 Jan 2024US 2024/0019518 A1QUALCOMM Incorporated
- Antenna and glide path array for small footprint aircraft precision approach and landing system29 Dec 2022US 2022/0413127 A1Thales USA, Inc.
- Apparatus and method for low overhead frequency-averaged beam pattern feedback in millimeter wave positioning systems23 Jun 2022US 2022/0200681 A1QUALCOMM Incorporated
- Systems and methods for providing a barometric altitude monitor2 Apr 2020US 2020/0103228 A1Aviation Communication & Surveillance Systems, LLL
- System And Method For Aiding The Landing Of An Aircraft18 Apr 2019US 2019/0113593 A1Airbus Operations GmbH
Most cited
By later US patents
- Airplane position assurance monitor18US 8,630,756 B2The Boeing Company · 2014
- In-flight verification of instrument landing system signals17US 7,546,183 B12009
- Glideslope monitor for aircraft16US 6,600,977 B2Honeywell International Inc. · 2003
- Automatic approach pitch axis control system for aircraft15US 3,994,455 AThe Boeing Company · 1976
- Laser guided blind landing system for aircraft14US 4,196,346 A1980