H01J 49/4235
Stacked rings or stacked plates
Official title: {Stacked rings or stacked plates}
H01J49/4235 (Stacked rings or stacked plates) appears on 76 US grants and 90 published applications in this corpus.
Search patents in H01J- Granted patents
- 76
- Published applications
- 90
- Assignees
- 32
- Inventors
- 91
- Latest grant
- 18 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 3 |
| 2009 | 0 | 10 |
| 2010 | 2 | 4 |
| 2011 | 5 | 3 |
| 2012 | 3 | 4 |
| 2013 | 6 | 4 |
| 2014 | 5 | 6 |
| 2015 | 8 | 3 |
| 2016 | 6 | 5 |
| 2017 | 4 | 3 |
| 2018 | 3 | 3 |
| 2019 | 2 | 6 |
| 2020 | 4 | 6 |
| 2021 | 6 | 4 |
| 2022 | 8 | 5 |
| 2023 | 3 | 3 |
| 2024 | 4 | 6 |
| 2025 | 3 | 6 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Segmented movement control electrodes in ion traps18 Nov 2025US 12,476,104 B2Infineon Technologies Austria AG
- Ion shutting system with compensation electrodes for ion trap19 Aug 2025US 12,394,616 B2Infineon Technologies Austria AG
- Instrument, including an electrostatic linear ion trap, for analyzing ions22 Apr 2025US 12,283,475 B2The Trustees of Indiana University
- Laterally-extended trapped ion mobility spectrometer10 Dec 2024US 12,163,919 B2
- Separating ions in an ion trap3 Sep 2024US 12,080,534 B2Micromass UK Limited
- Mass-to-Charge Value-based Setting of DC Voltage Magnitudes for an Ion Guide27 Aug 2026US 2026/0253858 A1Thermo Finnigan LLC
- Ion separator6 Aug 2026US 2026/0229478 A1Micromass UK Limited
- Ion Guide with Switchable Operation Modes7 May 2026US 2026/0128269 A1Thermo Finnigan LLC
- Ion Guide with Configurable Length Electric Field Regions2 Apr 2026US 2026/0094800 A1Thermo Finnigan LLC
- Ion guiding system23 Oct 2025US 2025/0329524 A1Thermo Fisher Scientific (Bremen) GmbH
Most cited
By later US patents
- Ion processing: control and analysis118US 5,206,506 A1993
- Ion funnel ion trap and process57US 7,888,635 B2Battelle Memorial Institute · 2011
- Parallel ion optics and apparatus for high current low energy ion beams55US 5,811,820 AMassively Parallel Instruments, Inc. · 1998
- Mass spectrometer51US 7,095,013 B2Micromass UK Limited · 2006
- Ion guide device, ion reactor, and mass analyzer49US 8,049,169 B2Hitachi, Ltd. · 2011