B64G 1/417
Electromagnetic fields or flux without mass expulsion
Official title: {Electromagnetic fields or flux without mass expulsion}
B64G1/417 (Electromagnetic fields or flux without mass expulsion) appears on 53 US grants and 89 published applications in this corpus.
Search patents in B64G- Granted patents
- 53
- Published applications
- 89
- Assignees
- 26
- Inventors
- 110
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 5 |
| 2007 | 0 | 3 |
| 2008 | 1 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 4 |
| 2015 | 0 | 1 |
| 2016 | 3 | 2 |
| 2017 | 2 | 2 |
| 2018 | 2 | 3 |
| 2019 | 3 | 2 |
| 2020 | 2 | 7 |
| 2021 | 1 | 10 |
| 2022 | 7 | 12 |
| 2023 | 6 | 10 |
| 2024 | 7 | 4 |
| 2025 | 5 | 8 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Near zero-mass change propulsion system for interplanetary and interstellar spacecraft1 Sep 2026US 12,722,807 B2
- Pulsed electromagnetic propulsion system7 Jul 2026US 12,674,441 B2
- Tilt drive for electromagnetic force vectoring10 Feb 2026US 12,545,439 B2
- Photon drive and photon turbine14 Oct 2025US 12,442,361 B2
- Method and device for driving movement of target object by gravitational field generated by varying electromagnetic field16 Sep 2025US 12,417,870 B1Zhang Xiang Qian Technologies Inc.
- Electromagnetic reaction wheel13 Aug 2026US 2026/0238101 A1National Tsing Hua University
- Guardian:Anti-Gravity Neutralization G-Force Magnetic Field Propulsion6 Aug 2026US 2026/0225738 A1
- Near zero-mass change propulsion system for interplanetary and interstellar spacecraft25 Jun 2026US 2026/0176001 A1
- METHOD & APPARATUS FOR An Reactionless Electromagnetic Engine7 May 2026US 2026/0128201 A1
- Sequential control of electromagnets for cubesat docking attitude alignment23 Apr 2026US 2026/0109484 A1Arizona Board of Regents on Behalf of the University of Arizona
Most cited
By later US patents
- Magnetic propulsion system and operating method26US 6,193,194 B12001
- Space train18US 4,881,446 A1989
- Spaceship propulsion by momentum transfer15US 5,305,974 A1994
- Magnetohydrodynamic propulsion system14US 5,211,006 A1993
- Space vehicle propelled by the pressure of inflationary vacuum state10US 6,960,975 B12005