B01D 59/44
Separation by mass spectrography
Official title: Separation by mass spectrography (particle spectrometers or separator tubes H01J49/00)
B01D59/44 (Separation by mass spectrography) appears on 181 US grants and 122 published applications in this corpus.
Search patents in B01D- Granted patents
- 181
- Published applications
- 122
- Assignees
- 130
- Inventors
- 325
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 7 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 2 |
| 2002 | 4 | 3 |
| 2003 | 5 | 5 |
| 2004 | 11 | 2 |
| 2005 | 3 | 11 |
| 2006 | 1 | 5 |
| 2007 | 6 | 7 |
| 2008 | 9 | 8 |
| 2009 | 4 | 8 |
| 2010 | 4 | 7 |
| 2011 | 3 | 6 |
| 2012 | 4 | 6 |
| 2013 | 9 | 6 |
| 2014 | 9 | 5 |
| 2015 | 4 | 1 |
| 2016 | 4 | 0 |
| 2017 | 1 | 2 |
| 2018 | 2 | 4 |
| 2019 | 4 | 6 |
| 2020 | 5 | 7 |
| 2021 | 3 | 3 |
| 2022 | 4 | 3 |
| 2023 | 2 | 4 |
| 2024 | 3 | 4 |
| 2025 | 8 | 5 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Purification system for nitrogen gas and xenon gas in water and isotope static analysis method thereof3 Mar 2026US 12,566,154 B2Institute of Geology and Geophysics, Chinese Academy of Sciences
- Ion cyclotron resonance separator apparatus and method of use thereof20 Jan 2026US 12,531,228 B2
- 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
- Isotope ratio measurement2 Sep 2025US 12,403,426 B2Thermo Fisher Scientific (Bremen) GmbH
- Inter-module busbar with extinguishing liquid11 Jun 2026US 2026/0163192 A1LG Energy Solution, Ltd.
- Gas collection chamber with adsorber26 Feb 2026US 2026/0054270 A1Lunar Helium-3 Mining, LLC
- System and method for identifying, selecting and purifying particles6 Nov 2025US 2025/0339819 A1The Trustees of Indiana University
- Ion production system with fibrous lattice for ion collection11 Sep 2025US 2025/0285777 A1SHINE Technologies, LLC
- Chemical separation of synthetic fibres from a blend of synthetic fibres and semi-synthetic or natural fibres4 Sep 2025US 2025/0277725 A1Oritain Global Limited
Most cited
By later US patents
- Miniaturized mass spectrometer system529US 5,313,061 AViking Instrument · 1994
- Process and apparatus for changing the energy of charged particles contained in a gaseous medium166US 4,542,293 AYale University · 1985
- Instrument and method for the laser desorption of ions in mass spectrometry161US 5,045,694 AThe Rockefeller University · 1991
- Method and apparatus for the mass spectrometric analysis of solutions133US 4,531,056 AYale University · 1985
- Multipole ion guide for mass spectrometry126US 5,652,427 AAnalytica of Branford, Inc. · 1997