David Rafferty — 23 Patents at 1St Detect

David Rafferty has been granted 23 US patents while listed as an inventor at 1St Detect. The first was granted in 2011 and the most recent in March 2019. David Rafferty ranks #178,160 of 4,157,543 US inventors in our database (top 4.3%). Patent records list David Rafferty in Webster, TX, US.

Patents per Year

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Showing 1–23 of 23 patents

Patent #	Title	Co-Inventors	Date
10229824	Chemical analysis instrument with multi-purpose pump	Michael Spencer, Warren Mino	2019-03-12
9870912	Mass spectrometers having real time ion isolation signal generators	Louis W. Johnson	2018-01-16
9804141	Method for detecting organic and inorganic explosives	Guido Fridolin Verbeck, IV, James Wylde, Michael Spencer	2017-10-31
9599547	Introducing an analyte into a chemical analyzer	Michael Spencer, James Wylde, Pedro Ojeda, Thomas Bowden	2017-03-21
9570282	Ionization within ion trap using photoionization and electron ionization	Abrar Riaz, James Wylde	2017-02-14
9472388	Mass dependent automatic gain control for mass spectrometer	James Wylde, Michael Spencer	2016-10-18
9451364	Preconcentrating a sample in a preconcentrator evacuated to substantially the same pressure as an analytical device	James Wylde, Michael Spencer, Pedro Ojeda	2016-09-20
9312112	Evacuating a sample chamber	James Wylde, Michael Spencer, Pedro Ojeda	2016-04-12
9299545	Systems and methods for calibrating mass spectrometers	James Wylde, Michael Spencer, Warren Mino	2016-03-29
9214325	Ion trap with radial opening in ring electrode	Michael Spencer	2015-12-15
9214321	Methods and systems for applying end cap DC bias in ion traps	—	2015-12-15
9196467	Mass spectrum noise cancellation by alternating inverted synchronous RF	David L. Gardner, James Wylde	2015-11-24
9082599	Mass spectrometer ion trap having asymmetric end cap apertures	Michael Spencer	2015-07-14
9035244	Automatic gain control with defocusing lens	Michael Spencer, James Wylde, David L. Gardner, Warren Mino	2015-05-19
8975573	Systems and methods for calibrating mass spectrometers	James Wylde, Michael Spencer, Warren Mino	2015-03-10
8969794	Mass dependent automatic gain control for mass spectrometer	James Wylde, Michael Spencer	2015-03-03
8946624	Mass spectrometer having an external detector	Michael Spencer	2015-02-03
8784737	Introducing an analyte into a chemical analyzer	Michael Spencer, James Wylde, Pedro Ojeda, Thomas Bowden	2014-07-22
8754361	Systems and methods for adjusting a mass spectrometer output	Brian C. Oliver, Darron Black	2014-06-17
8704168	End cap voltage control of ion traps	—	2014-04-22
8610055	Mass spectrometer ion trap having asymmetric end cap apertures	Michael Spencer	2013-12-17
8334506	End cap voltage control of ion traps	—	2012-12-18
7973277	Driving a mass spectrometer ion trap or mass filter	—	2011-07-05

David Rafferty — 23 Patents

Patents per Year

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