Inventor · disambiguated record
William F. Siems
Also filed as: SIEMS WILLIAM · SIEMS WILLIAM F
7 granted patents·145 citations·filing 1985–2018
82Inventor score
Top patents by PatentIndex Score
7 records- 0189US4633083AChemical analysis by time dispersive ion spectrometryUNIV WASHINGTON·Filed 1985·Granted Dec 30, 1986·100 cites·20 claims
- 0271US10132777B2Two-phase approach to fourier transform ion mobility time-of-flight mass spectrometryUNIV WASHINGTON STATE·Filed 2016·Granted Nov 20, 2018·1 cites·12 claims
- 0370US6580068B1Method and apparatus for time dispersive spectroscopySANDIA CORP·Filed 1999·Granted Jun 17, 2003·40 cites·17 claims
- 0463US8716653B2Sample analysis and ion detectionHILL JR HERBERT H·Filed 2013·Granted May 6, 2014·1 cites·20 claims
- 0557US6787762B2Time dispersive spectrometer using digital switching meansSANDIA NAT LAB·Filed 2003·Granted Sep 7, 2004·3 cites·3 claims
- 0643US10126265B2Perturbation ion mobility mass spectrometry and the method of measuring ion mobility of selected ionsUNIV WASHINGTON STATE·Filed 2017·Granted Nov 13, 2018·0 cites·18 claims
- 0742US10585066B2High accuracy ion mobility spectrometryUNIV WASHINGTON STATE·Filed 2018·Granted Mar 10, 2020·0 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →