H01J 49/165
Electrospray ionisation
Official title: {Electrospray ionisation}
H01J49/165 (Electrospray ionisation) appears on 941 US grants and 1,084 published applications in this corpus.
Search patents in H01J- Granted patents
- 941
- Published applications
- 1,084
- Assignees
- 342
- Inventors
- 1,458
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 8 | 0 |
| 1995 | 5 | 0 |
| 1996 | 9 | 0 |
| 1997 | 3 | 0 |
| 1998 | 10 | 0 |
| 1999 | 11 | 0 |
| 2000 | 12 | 0 |
| 2001 | 14 | 15 |
| 2002 | 18 | 31 |
| 2003 | 23 | 28 |
| 2004 | 35 | 30 |
| 2005 | 16 | 39 |
| 2006 | 31 | 30 |
| 2007 | 20 | 34 |
| 2008 | 25 | 29 |
| 2009 | 14 | 25 |
| 2010 | 22 | 28 |
| 2011 | 26 | 38 |
| 2012 | 23 | 33 |
| 2013 | 31 | 29 |
| 2014 | 33 | 42 |
| 2015 | 39 | 59 |
| 2016 | 44 | 49 |
| 2017 | 50 | 53 |
| 2018 | 40 | 44 |
| 2019 | 53 | 67 |
| 2020 | 54 | 61 |
| 2021 | 49 | 76 |
| 2022 | 42 | 57 |
| 2023 | 55 | 68 |
| 2024 | 34 | 52 |
| 2025 | 42 | 40 |
| 2026 | 25 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Volumetric measurement of micro droplets6 Oct 2026US 12,752,294 B2DH Technologies Development Pte. Ltd.
- Systems and methods for performing a check of a differential mobility spectrometer6 Oct 2026US 12,754,166 B2DH Technologies Development Pte. Ltd.
- Exhaust flow boosting for sampling probe for use in mass spectrometry systems and methods6 Oct 2026US 12,755,951 B2DH Technologies Development Pte. Ltd.
- System and method for sampling22 Sep 2026US 12,744,195 B2Helsingin Yliopisto
- Sampling devices with essentially impermeable and non-porous reservoir surfaces1 Sep 2026US 12,725,772 B2Restek Corporation
- Method for charge calibration of cdms measurements of charged particles8 Oct 2026US 2026/0311980 A1The Trustees of Indiana University
- Electrospray device8 Oct 2026US 2026/0311988 A1Micromass UK Limited
- Sample support and method for manufacturing sample support24 Sep 2026US 2026/0290775 A1Hamamatsu Photonics K.K.
- Systems and methods for multi-channel mass spectrometry17 Sep 2026US 2026/0279754 A1Peninsula Technologies, LLC
- Method and System for Introducing Modifier into a Curtain Gas Stream for a Differential Mobility Spectrometer10 Sep 2026US 2026/0266763 A1DH Technologies Development Pte. Ltd.
Most cited
By later US patents
- Microscale fluid handling system662US 5,872,010 ANortheastern University · 1999
- Material transport method and apparatus254US 6,110,343 ALockheed Martin Energy Research Corporation · 2000
- Insulated needle for forming an electrospray201US 5,223,226 AMillipore Corporation · 1993
- Apparatus for forming liquid droplets having a mechanically fixed inner microtube193US 5,868,322 AHewlett-Packard Company · 1999
- Method and apparatus for feedback controlled electrospray186US 6,744,046 B2New Objective, Inc. · 2004