Inventor

RAFFERTY DAVID

US23 patents

⚠️ This page may combine multiple inventors who share the name “RAFFERTY DAVID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RAFFERTY DAVID

1ST DETECT CORP

Driving a mass spectrometer ion trap or mass filter

Introducing an analyte into a chemical analyzer

Systems and methods for adjusting a mass spectrometer output

Mass spectrometer ion trap having asymmetric end cap apertures

Systems and methods for calibrating mass spectrometers

Method for detecting organic and inorganic explosives

Mass dependent automatic gain control for mass spectrometer

Mass spectrometer ion trap having asymmetric end cap apertures

Mass dependent automatic gain control for mass spectrometer

Mass spectrometer having an external detector

Mass spectrometers having real time ion isolation signal generators

Systems and methods for calibrating mass spectrometers

Automatic gain control with defocusing lens

Ionization within ion trap using photoionization and electron ionization

Ion trap with radial opening in ring electrode

Methods and systems for applying end cap DC bias in ion traps

Chemical analysis instrument with multi-purpose pump

RAFFERTY DAVID

End cap voltage control of ion traps

Introducing an analyte into a chemical analyzer

Evacuating a sample chamber

End cap voltage control of ion traps

Preconcentrating a sample in a preconcentrator evacuated to substantially the same pressure as an analytical device

Mass spectrum noise cancellation by alternating inverted synchronous RF