Inventor · disambiguated record
Louis C. Frees
Also filed as: FREES LOUIS C
7 granted patents·1 pending application·91 citations·filing 1997–2008
85Inventor score
Top patents by PatentIndex Score
8 records- 0175US6091068AIon collector assemblyLEYBOLD INFICON INC·Filed 1998·Granted Jul 18, 2000·36 cites·11 claims
- 0273US7041984B2Replaceable anode liner for ion sourceINFICON INC·Filed 2004·Granted May 9, 2006·11 cites·35 claims
- 0358US6642641B2Apparatus for measuring total pressure and partial pressure with common electron beamINFICON INC·Filed 2001·Granted Nov 4, 2003·4 cites·19 claims
- 0456US6476612B1Louvered beam stop for lowering x-ray limit of a total pressure gaugeINFICON INC·Filed 2001·Granted Nov 5, 2002·3 cites·10 claims
- 0555US5834770AIon collecting electrode for total pressure collectorLEYBOLD INFICON INC·Filed 1997·Granted Nov 10, 1998·12 cites·13 claims
- 0654US6468814B1Detection of nontransient processing anomalies in vacuum manufacturing processLEYBOLD INFICON INC·Filed 1999·Granted Oct 22, 2002·20 cites·5 claims
- 0753US6740195B2Detection of nontransient processing anomalies in vacuum manufacturing processLEYBOLD INFICON INC·Filed 2002·Granted May 25, 2004·5 cites·13 claims
- 0840US2009014644A1In-situ ion source cleaning for partial pressure analyzers used in process monitoringINFICON INC·Filed 2008·Application pending·0 cites
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