B64G 1/40
Arrangements or adaptations of propulsion systems
B64G1/40 (Arrangements or adaptations of propulsion systems) appears on 1,731 US grants and 1,651 published applications in this corpus.
Search patents in B64G- Granted patents
- 1,731
- Published applications
- 1,651
- Assignees
- 573
- Inventors
- 3,365
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 6 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 3 | 0 |
| 1986 | 9 | 0 |
| 1987 | 6 | 0 |
| 1988 | 15 | 0 |
| 1989 | 19 | 0 |
| 1990 | 15 | 0 |
| 1991 | 16 | 0 |
| 1992 | 24 | 0 |
| 1993 | 23 | 0 |
| 1994 | 23 | 0 |
| 1995 | 17 | 0 |
| 1996 | 18 | 0 |
| 1997 | 14 | 0 |
| 1998 | 27 | 0 |
| 1999 | 18 | 0 |
| 2000 | 41 | 0 |
| 2001 | 34 | 5 |
| 2002 | 43 | 18 |
| 2003 | 39 | 45 |
| 2004 | 31 | 26 |
| 2005 | 25 | 27 |
| 2006 | 18 | 35 |
| 2007 | 15 | 30 |
| 2008 | 12 | 29 |
| 2009 | 23 | 38 |
| 2010 | 18 | 37 |
| 2011 | 23 | 35 |
| 2012 | 23 | 41 |
| 2013 | 28 | 41 |
| 2014 | 37 | 55 |
| 2015 | 52 | 76 |
| 2016 | 67 | 101 |
| 2017 | 66 | 93 |
| 2018 | 75 | 114 |
| 2019 | 96 | 77 |
| 2020 | 94 | 105 |
| 2021 | 92 | 108 |
| 2022 | 97 | 116 |
| 2023 | 100 | 103 |
| 2024 | 122 | 131 |
| 2025 | 116 | 77 |
| 2026 | 68 | 88 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B64G 1/402Propellant tanks712
- B64G 1/411Electric propulsion552
- B64G 1/401Liquid propellant rocket engines400
- B64G 1/403Solid propellant rocket engines164
- B64G 1/407Solar sailing133
- B64G 1/409Unconventional spacecraft propulsion systems74
- B64G 1/408Nuclear spacecraft propulsion69
- B64G 1/4005Air-breathing propulsion33
Recent patents
- Modular spacecraft bus system and associated methods22 Sep 2026US 12,741,756 B2True Anomaly, Inc.
- Contained gas recirculation system for a vehicle22 Sep 2026US 12,741,758 B2Belen Aerospace Corporation
- Thrust vector control for hybrid propellants rocket engine with embedded fluid injection ports22 Sep 2026US 12,742,433 B2Laboratoire Reaction Dynamics Inc.
- Thruster propellants15 Sep 2026US 12,735,368 B2The United States of America as represented by the Secretary of the Air Force
- Near zero-mass change propulsion system for interplanetary and interstellar spacecraft1 Sep 2026US 12,722,807 B2
- Use of a new type of propellant for electric propulsion8 Oct 2026US 2026/0307826 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Modulating internal ballistics in a 3d-printed rocket motor and an additive manufacturing process8 Oct 2026US 2026/0309106 A1X-Bow Launch Systems 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
- Drone systems and methods17 Sep 2026US 2026/0274409 A1Duplicent, LLC
Most cited
By later US patents
- Synthetic jet actuator and applications thereof162US 5,758,823 AGeorgia Tech Research Corporation · 1998
- Vessel insulation assembly119US 9,783,324 B2The Boeing Company · 2017
- Resonant power supply for an arcjet thruster118US 5,414,238 AMartin Marietta Corporation · 1995
- Method for extending the useful life of a space satellite113US 5,511,748 A1996
- System, method and apparatus for lean combustion with plasma from an electrical arc107US 8,074,439 B2Foret Plasma Labs, LLC · 2011