B64G 1/4021
Tank construction
Official title: {Tank construction; Details thereof}
B64G1/4021 (Tank construction) appears on 192 US grants and 173 published applications in this corpus.
Search patents in B64G- Granted patents
- 192
- Published applications
- 173
- Assignees
- 112
- Inventors
- 431
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 7 | 1 |
| 2002 | 8 | 4 |
| 2003 | 7 | 9 |
| 2004 | 4 | 1 |
| 2005 | 3 | 2 |
| 2006 | 1 | 1 |
| 2007 | 3 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 7 |
| 2010 | 0 | 7 |
| 2011 | 3 | 5 |
| 2012 | 4 | 4 |
| 2013 | 7 | 4 |
| 2014 | 8 | 7 |
| 2015 | 4 | 4 |
| 2016 | 4 | 15 |
| 2017 | 10 | 12 |
| 2018 | 6 | 14 |
| 2019 | 18 | 8 |
| 2020 | 9 | 9 |
| 2021 | 9 | 6 |
| 2022 | 6 | 7 |
| 2023 | 8 | 7 |
| 2024 | 12 | 13 |
| 2025 | 7 | 10 |
| 2026 | 7 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for design, manufacture, and test of space thruster propulsion systems11 Aug 2026US 12,704,101 B2Agile Space Industries, Inc.
- Liquid tank, rocket, and method of manufacturing liquid tank5 May 2026US 12,618,523 B2IHI Corporation
- Methods for assembling a multi-conic preform and manufacturing a semi-ellipsoidal shell using the multi-conic preform14 Apr 2026US 12,601,449 B2
- Diaphragm for a fluid storage tank17 Mar 2026US 12,576,994 B2Cam Lock Limited
- Systems, devices, and methods for spacecraft propulsion with a heat exchanger13 Jan 2026US 12,521,784 B2Portal Space Systems Inc.
- Systems and Methods for Deploying Launch Vehicle Landing Equipment10 Sep 2026US 2026/0264888 A1Relativity Space, Inc.
- Device and method for manufacturing solid fuel microthrusters using only pcb-mems technology10 Sep 2026US 2026/0264889 A1Universidad de Sevilla
- Launch vehicle vent systems3 Sep 2026US 2026/0257813 A1Blue Origin, LLC
- Separation device for cryogenic propellant tanks of rocket stages6 Aug 2026US 2026/0225736 A1Arianegroup SAS
- Refueling system for a spacecraft, and method for filling a fuel tank of a spacecraft16 Jul 2026US 2026/0200602 A1Gate Space Innovation GmbH
Most cited
By later US patents
- Baffle for suppressing slosh in a tank and a tank for incorporating same49US 6,220,287 B1The Boeing Company · 2001
- Composite cryogenic tank apparatus48US 5,419,139 AMartin Marietta Corporation · 1995
- Multistage launch vehicle employing interstage propellant transfer and redundant staging45US 5,129,602 A1992
- Low pressure reaction control propulsion system for a spacecraft37US 4,880,185 AHughes Aircraft Company · 1989
- Nested tank construction37US 5,085,343 AMartin Marietta Corporation · 1992