E21C 51/00
Apparatus for, or methods of, winning materials from extraterrestrial sources
Official title: Apparatus for, or methods of, winning materials from extraterrestrial sources (cosmonautics B64G)
E21C51/00 (Apparatus for, or methods of, winning materials from extraterrestrial sources) appears on 45 US grants and 60 published applications in this corpus.
Search patents in E21C- Granted patents
- 45
- Published applications
- 60
- Assignees
- 34
- Inventors
- 121
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
| 2015 | 1 | 0 |
| 2016 | 3 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 3 |
| 2019 | 0 | 3 |
| 2020 | 1 | 2 |
| 2021 | 2 | 6 |
| 2022 | 3 | 9 |
| 2023 | 10 | 6 |
| 2024 | 12 | 7 |
| 2025 | 11 | 9 |
| 2026 | 1 | 8 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Lunar regolith processing system for mining and beneficiation8 Sep 2026US 12,729,625 B2Interlune Corporation
- Particle repelling arrangement25 Nov 2025US 12,478,980 B1Lunar Helium-3 Mining, LLC
- Electrostatic filtration arrangement7 Oct 2025US 12,434,251 B1Lunar Helium-3 Mining, LLC
- Compound parabolic concentrator arrangement9 Sep 2025US 12,410,709 B1Lunar Helium-3 Mining, LLC
- Heat recovery arrangement2 Sep 2025US 12,404,769 B1Lunar Helium-3 Mining, LLC
- System for in situ resource utilization in extraterrestrial environments25 Jun 2026US 2026/0176968 A1Honeybee Robotics, LLC
- Coring assembly for extraterrestrial drilling and preparation method thereof4 Jun 2026US 2026/0153007 A1Harbin Institute of Technology
- Systems and methods for radiant gas dynamic mining of permafrost for propellant extraction14 May 2026US 2026/0132717 A1Trans Astronautica Corporation
- Hybrid solar thermal and chemical vehicle configurations for space mining applications19 Mar 2026US 2026/0078718 A1Trans Astronautica Corporation
- Lunar regolith reduction reactor system and method of processing lunar regolith5 Mar 2026US 2026/0063035 A1
Most cited
By later US patents
- System for extraction of volatiles from planetary bodies using microwave and RF processes32US 9,581,021 B22017
- Method, apparatus, and system for asteroid prospecting and mining27US 9,266,627 B1Planetary Resources Development Corp. · 2016
- Systems and methods for radiant gas dynamic mining of permafrost for propellant extraction26US 11,143,026 B2Trans Astronautica Corporation · 2021
- Optics and structure for space applications20US 11,280,194 B2Trans Astronautica Corporation · 2022
- Space-based structures and methods of delivering space-sourced materials20US 9,409,658 B1Planetary Resources Development Corp. · 2016