B64G 1/402
Propellant tanks
Official title: {Propellant tanks; Feeding propellants}
B64G1/402 (Propellant tanks) appears on 712 US grants and 588 published applications in this corpus.
Search patents in B64G- Granted patents
- 712
- Published applications
- 588
- Assignees
- 284
- Inventors
- 1,492
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 8 | 0 |
| 1989 | 9 | 0 |
| 1990 | 11 | 0 |
| 1991 | 12 | 0 |
| 1992 | 17 | 0 |
| 1993 | 17 | 0 |
| 1994 | 7 | 0 |
| 1995 | 11 | 0 |
| 1996 | 11 | 0 |
| 1997 | 6 | 0 |
| 1998 | 9 | 0 |
| 1999 | 7 | 0 |
| 2000 | 23 | 0 |
| 2001 | 14 | 3 |
| 2002 | 18 | 7 |
| 2003 | 16 | 16 |
| 2004 | 14 | 11 |
| 2005 | 8 | 6 |
| 2006 | 6 | 4 |
| 2007 | 5 | 9 |
| 2008 | 2 | 9 |
| 2009 | 12 | 17 |
| 2010 | 6 | 15 |
| 2011 | 10 | 13 |
| 2012 | 15 | 17 |
| 2013 | 14 | 15 |
| 2014 | 13 | 24 |
| 2015 | 18 | 30 |
| 2016 | 32 | 44 |
| 2017 | 28 | 30 |
| 2018 | 21 | 38 |
| 2019 | 34 | 28 |
| 2020 | 32 | 30 |
| 2021 | 31 | 29 |
| 2022 | 34 | 36 |
| 2023 | 30 | 44 |
| 2024 | 55 | 44 |
| 2025 | 38 | 34 |
| 2026 | 30 | 35 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Modular spacecraft bus system and associated methods22 Sep 2026US 12,741,756 B2True Anomaly, Inc.
- Spacecraft-borne propulsion device with gas heating and gas storage18 Aug 2026US 12,709,412 B2Tohoku University
- Passive fiducial markers and associated systems and methods11 Aug 2026US 12,703,516 B2Orbit Fab, Inc.
- Systems and methods for design, manufacture, and test of space thruster propulsion systems11 Aug 2026US 12,704,101 B2Agile Space Industries, Inc.
- Geometry optimized low aspect ratio VTOL vehicle system with structurally integrated propulsion28 Jul 2026US 12,692,825 B2Monostage Space Inc.
- Small thruster throttle valve with integrated positive isolation1 Oct 2026US 2026/0296680 A1California Institute of Technology
- Omnivorous solar thermal thruster, cooling systems, and thermal energy transfer in rockets24 Sep 2026US 2026/0286917 A1Trans Astronautica Corporation
- Vehicle that converts heat from atmospheric reentry environment into energy for powering reaction control system, and related system and method10 Sep 2026US 2026/0264887 A1
- 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
Most cited
By later US patents
- Vessel insulation assembly119US 9,783,324 B2The Boeing Company · 2017
- Combination propulsion system for a flying craft92US 5,014,508 AMesserschmitt-Boelkow-Blohm GmbH · 1991
- Integrated glass ceramic systems91US 6,952,530 B2The Aerospace Corporation · 2005
- Two-stage reusable earth-to-orbit aerospace vehicle and transport system84US 5,927,653 AKistler Aerospace Corporation · 1999
- Centrifugal space propellant storage and transfer depot81US 5,305,970 AGeneral Dynamics Corporation, Space Systems Division · 1994