Assignee
EXTRANUCLEAR LAB INC
8 granted patents·202 citations·filing 1974–1979
Top patents by PatentIndex Score
8 records- 0193US4105916AMethods and apparatus for simultaneously producing and electronically separating the chemical ionization mass spectrum and the electron impact ionization mass spectrum of the same sample materialEXTRANUCLEAR LAB INC·Filed 1977·Granted Aug 8, 1978·46 cites·44 claims
- 0290US4126781AMethod and apparatus for producing electrostatic fields by surface currents on resistive materials with applications to charged particle optics and energy analysisEXTRANUCLEAR LAB INC·Filed 1977·Granted Nov 21, 1978·52 cites·59 claims
- 0389US4283626AMethods and apparatus for analysis of mixtures by mass spectrometryEXTRANUCLEAR LAB INC·Filed 1979·Granted Aug 11, 1981·30 cites·21 claims
- 0489US3937954AMethods and apparatus for spatial separation of AC and DC electric fields, with application to fringe fields in quadrupole mass filtersEXTRANUCLEAR LAB INC·Filed 1974·Granted Feb 10, 1976·27 cites·30 claims
- 0578US3936634AMethod and apparatus for improved focusing of ion currents in quadrupole mass filterEXTRANUCLEAR LAB INC·Filed 1974·Granted Feb 3, 1976·16 cites·22 claims
- 0673US4146787AMethods and apparatus for energy analysis and energy filtering of secondary ions and electronsEXTRANUCLEAR LAB INC·Filed 1977·Granted Mar 27, 1979·14 cites·13 claims
- 0758US4093855ADetector for heavy ions following mass analysisEXTRANUCLEAR LAB INC·Filed 1976·Granted Jun 6, 1978·8 cites·10 claims
- 0845US4137453AMethods and apparatus for improving electron capture detectors by collection of ionsEXTRANUCLEAR LAB INC·Filed 1976·Granted Jan 30, 1979·9 cites·43 claims
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