Langridge; David
Patent Applications and Registrations
Patent applications and USPTO patent grants for Langridge; David.The latest application filed is for "quadrupole devices".
- Langridge; David - Macclesfield GB
- Langridge; David - Bollington Macclesfield
- Langridge; David - Stockport GB
- Langridge; David - Manchester N/A GB
- Langridge, David - Stansted GB
| Patent | Date |
|---|---|
| Quadrupole devices Grant 11,361,958 - Gordon , et al. June 14, 2 | 2022-06-14 |
| Quadrupole devices Grant 11,282,693 - Green , et al. March 22, 2 | 2022-03-22 |
| Quadrupole Devices App 20210082679 - Green; Martin Raymond ; et al. | 2021-03-18 |
| Quadrupole Devices App 20210082680 - David; Gordon ; et al. | 2021-03-18 |
| Mass filter having extended operational lifetime Grant 10,832,900 - Green , et al. November 10, 2 | 2020-11-10 |
| Mass Filter Having Extended Operational Lifetime App 20200075308 - Green; Martin ; et al. | 2020-03-05 |
| Mass filter having extended operational lifetime Grant 10,453,667 - Green , et al. Oc | 2019-10-22 |
| Mass Filter Having Extended Operational Lifetime App 20180174817 - Green; Martin ; et al. | 2018-06-21 |
| Mass to charge ratio selective ejection from ion guide having supplemental RF voltage applied thereto Grant 9,177,776 - Hoyes , et al. November 3, 2 | 2015-11-03 |
| Mass to Charge Ratio Selective Ejection from Ion Guide Having Supplemental RF Voltage Applied Thereto App 20130099110 - Hoyes; John Brian ; et al. | 2013-04-25 |
| Mass spectrometer Grant 8,426,803 - Green , et al. April 23, 2 | 2013-04-23 |
| Ion guide array Grant 8,384,027 - Hoyes , et al. February 26, 2 | 2013-02-26 |
| Linear ion trap Grant 8,212,208 - Green , et al. July 3, 2 | 2012-07-03 |
| Ion Guide Array App 20110266435 - Hoyes; John B. ; et al. | 2011-11-03 |
| Linear Ion Trap App 20110049358 - Green; Martin Raymond ; et al. | 2011-03-03 |
| Mass Spectrometer App 20100252730 - Green; Martin ; et al. | 2010-10-07 |
| Optical communications network App 20050086555 - Langridge, David | 2005-04-21 |
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