B64B 1/44
Adapted to maintain predetermined altitude
Official title: adapted to maintain predetermined altitude
B64B1/44 (Adapted to maintain predetermined altitude) appears on 96 US grants and 113 published applications in this corpus.
Search patents in B64B- Granted patents
- 96
- Published applications
- 113
- Assignees
- 45
- Inventors
- 155
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 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 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 3 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 1 | 1 |
| 2009 | 1 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 4 |
| 2014 | 4 | 4 |
| 2015 | 2 | 4 |
| 2016 | 6 | 4 |
| 2017 | 13 | 10 |
| 2018 | 3 | 7 |
| 2019 | 6 | 6 |
| 2020 | 6 | 11 |
| 2021 | 11 | 21 |
| 2022 | 6 | 8 |
| 2023 | 11 | 5 |
| 2024 | 6 | 9 |
| 2025 | 4 | 7 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High altitude balloon systems and methods29 Sep 2026US 12,747,015 B2World View Enterprises Inc.
- Valve for airbag decelerator28 Jul 2026US 12,692,952 B2World View Enterprises Inc.
- Aerospace balloon system and method of operation2 Jun 2026US 12,643,651 B2Space Perspective Inc.
- System and method for generating aerodynamic lift from wind shear at a system17 Mar 2026US 12,576,996 B2WindBorne Systems Inc.
- Apparatus, method and system for balloon altitude control by in-situ characterization and active energy management24 Feb 2026US 12,559,219 B2Space Balloon Technologies Corp.
- Flight height maintaining device23 Jul 2026US 2026/0208846 A1Meisei Electric Co., Ltd.
- Apparatus, Method And System For Balloon Altitude Control By In-Situ Characterization And Active Energy Management2 Jul 2026US 2026/0184414 A1Space Balloon Technologies Corp.
- Aerial vehicle with a volatile fluid25 Jun 2026US 2026/0175959 A1WindBorne Systems Inc.
- System and method for generating aerodynamic lift from wind shear at a system25 Jun 2026US 2026/0176003 A1WindBorne Systems Inc.
- Apparatus, Method And System For Balloon Altitude Control By In-Situ Characterization And Active Energy Management7 Aug 2025US 2025/0249997 A1Space Balloon Technologies Corp.
Most cited
By later US patents
- Systems and applications of lighter-than-air (LTA) platforms152US 7,356,390 B2Space Data Corporation · 2008
- Relative positioning of balloons with altitude control and wind data75US 8,820,678 B2Google Inc. · 2014
- Unmanned lighter-than-air safe termination and recovery methods72US 7,801,522 B2Space Data Corporation · 2010
- Sub-orbital, high altitude communications system69US 7,567,779 B2International Multi-Media Corporation · 2009
- Controllable buoyant system and method55US 8,814,084 B2New Create Corporation · 2014