B64B 1/26
Housed in ducts
Official title: housed in ducts
B64B1/26 (Housed in ducts) appears on 25 US grants and 24 published applications in this corpus.
Search patents in B64B- Granted patents
- 25
- Published applications
- 24
- Assignees
- 13
- Inventors
- 48
- Latest grant
- 12 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 2 |
| 2017 | 1 | 3 |
| 2018 | 2 | 2 |
| 2019 | 3 | 5 |
| 2020 | 1 | 1 |
| 2021 | 3 | 3 |
| 2022 | 1 | 2 |
| 2023 | 3 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Lighter-than-air hovering drone12 Dec 2023US 11,840,358 B2
- Flying robot with Coanda effect fan and internal rear projector12 Sep 2023US 11,753,133 B2X-Control System Co., Ltd.
- Flying robot with lighter-than-air gas and internal rear projector12 Sep 2023US 11,753,134 B2X-Control System Co., Ltd.
- Propulsion system for highly maneuverable airship12 Apr 2022US 11,299,249 B2
- Circumferential ring propulsors and control assemblies for manned and unmanned lighter than air aircraft20 Jul 2021US 11,066,146 B1
- Lighter-Than-Air Hovering Drone23 Jun 2022US 2022/0194583 A1
- Propulsion System for Highly Maneuverable Airship17 Feb 2022US 2022/0048609 A9
- Circumferential ring propulsors and control assemblies for manned and unmanned lighter than air aircraft22 Jul 2021US 2021/0221490 A1
- Flying Robot with Internal Rear Projector10 Jun 2021US 2021/0171178 A1X-Control System Co., Ltd.
- Flying Robot with Internal Rear Projector20 May 2021US 2021/0147056 A1X-Control System Co., Ltd.
Most cited
By later US patents
- Lighter than air sphere or spheroid having an aperture and pathway128US 5,645,248 A1997
- Collaborative unmanned aerial vehicle for an inventory system33US 10,000,284 B1Amazon Technologies, Inc. · 2018
- Advanced airship technologies30US 8,342,442 B1Dancila LLC · 2013
- Super-pressured high-altitude airship28US 6,305,641 B1Agency of Industrial Science and Technology · 2001
- Airship25US 5,071,090 AKabushiki Kaisha HI Blidge · 1991