Assignee
VARIAN SPA
IT·22 granted patents·4 pending applications·212 citations·filing 1983–2007
Top patents by PatentIndex Score
26 records- 0194US7553123B2Annular support for rolling bearingsVARIAN SPA·Filed 2005·Granted Jun 30, 2009·44 cites·15 claims
- 0283US4631002AIon pumpVARIAN SPA·Filed 1983·Granted Dec 23, 1986·28 cites·4 claims
- 0382US7049823B2Ionization vacuum gaugeVARIAN SPA·Filed 2004·Granted May 23, 2006·19 cites·26 claims
- 0471US7588426B2Oil rotary vacuum pump and manufacturing method thereofVARIAN SPA·Filed 2005·Granted Sep 15, 2009·5 cites·7 claims
- 0567US7141096B2Gas-selective permeable membrane and method of manufacturing thereofVARIAN SPA·Filed 2004·Granted Nov 28, 2006·16 cites·19 claims
- 0666US7062954B2Leak detectorVARIAN SPA·Filed 2005·Granted Jun 20, 2006·6 cites·17 claims
- 0762US7030620B2Ionization vacuum gaugeVARIAN SPA·Filed 2004·Granted Apr 18, 2006·11 cites·26 claims
- 0859US5325708ADetector for helium leaksVARIAN SPA·Filed 1992·Granted Jul 5, 1994·25 cites·16 claims
- 0957US7628577B2Vacuum pumps with improved pumping channel configurationsVARIAN SPA·Filed 2006·Granted Dec 8, 2009·1 cites·8 claims
- 1057US7334481B2Pressure sensor with improved vibrating microassembly and optical detection systemVARIAN SPA·Filed 2006·Granted Feb 26, 2008·4 cites·17 claims
- 1157US4713619AElectronic device for feeding ion pumpVARIAN SPA·Filed 1985·Granted Dec 15, 1987·11 cites·9 claims
- 1256US6877949B2Pumping stage for a vacuum pumpVARIAN SPA·Filed 2003·Granted Apr 12, 2005·9 cites·18 claims
- 1354US6627837B1Method of manufacturing a stator stage for a turbine pumpVARIAN SPA·Filed 2002·Granted Sep 30, 2003·5 cites·13 claims
- 1450US6676368B2Turbine pump with a stator stage integrated with a spacer ringVARIAN SPA·Filed 2002·Granted Jan 13, 2004·6 cites·9 claims
- 1549US7083398B2Vibrating pumping stage for molecular vacuum pumps, and molecular vacuum pump with vibrating pumping stagesVARIAN SPA·Filed 2003·Granted Aug 1, 2006·2 cites·9 claims
- 1649US7059192B2Pressure sensorVARIAN SPA·Filed 2004·Granted Jun 13, 2006·6 cites·20 claims
- 1748US7597013B2Device and method for detecting the presence of test gasVARIAN SPA·Filed 2006·Granted Oct 6, 2009·1 cites·20 claims
- 1847US2008253903A1Vacuum pumps with auxiliary pumping stagesVARIAN SPA·Filed 2007·Application pending·0 cites
- 1946US2008056886A1Vacuum pumps with improved pumping channel cross sectionsVARIAN SPA·Filed 2006·Application pending·0 cites
- 2045US7354254B2Compact vacuum pumpVARIAN SPA·Filed 2004·Granted Apr 8, 2008·5 cites·14 claims
- 2141US7621721B2Vacuum pumping device with electronic control of the motorVARIAN SPA·Filed 2004·Granted Nov 24, 2009·2 cites·14 claims
- 2240US7134835B2Process for manufacturing a stator for vacuum pump and stator obtained therebyVARIAN SPA·Filed 2004·Granted Nov 14, 2006·3 cites·16 claims
- 2340US6672828B2Vacuum pumpVARIAN SPA·Filed 2002·Granted Jan 6, 2004·1 cites·10 claims
- 2437US2007280834A1Sputter ion pump having an improved magnet assemblyVARIAN SPA·Filed 2007·Application pending·0 cites
- 2526US2005106043A1Vacuum pump provided with vibration damperVARIAN SPA·Filed 2004·Application pending·0 cites
- 2624US5017836AElectronic feeder for an ion pumpVARIAN SPA·Filed 1989·Granted May 21, 1991·2 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when VARIAN SPA files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →