Louis C. Frees

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Manlius, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Replaceable anode liner for ion source
- Patent number 7,041,984
- Issue date May 9, 2006
- Inficon, Inc.
- Robert E. Ellefson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Detection of nontransient processing anomalies in vacuum manufactur...
- Patent number 6,740,195
- Issue date May 25, 2004
- Leybold Inficon, Inc.
- Louis C. Frees
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Apparatus for measuring total pressure and partial pressure with co...
- Patent number 6,642,641
- Issue date Nov 4, 2003
- Inficon, Inc.
- Robert E. Ellefson
- G01 - MEASURING TESTING
Information Patent Grant
Louvered beam stop for lowering x-ray limit of a total pressure gauge
- Patent number 6,476,612
- Issue date Nov 5, 2002
- Inficon Inc.
- Robert E. Ellefson
- G01 - MEASURING TESTING
Information Patent Grant
Detection of nontransient processing anomalies in vacuum manufactur...
- Patent number 6,468,814
- Issue date Oct 22, 2002
- Leybold Inficon, Inc.
- Louis C. Frees
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ion collector assembly
- Patent number 6,091,068
- Issue date Jul 18, 2000
- Leybold Inficon, Inc.
- William E. Parfitt
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ion collecting electrode for total pressure collector
- Patent number 5,834,770
- Issue date Nov 10, 1998
- Leybold Inficon, Inc.
- David H. Holkeboer
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
IN-SITU ION SOURCE CLEANING FOR PARTIAL PRESSURE ANALYZERS USED IN...
- Publication number 20090014644
- Publication date Jan 15, 2009
- Inficon, Inc.
- Chenglong Yang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Replaceable anode liner for ion source
- Publication number 20050258374
- Publication date Nov 24, 2005
- Inficon, Inc.
- Robert E. Ellefson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Detection of nontransient processing anomalies in vacuum manufactur...
- Publication number 20030008422
- Publication date Jan 9, 2003
- Leybold Inficon, Inc.
- Louis C. Frees
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Apparatus for measuring total pressure and partial pressure with co...
- Publication number 20020153820
- Publication date Oct 24, 2002
- Inficon Inc.
- Robert E. Ellefson
- G01 - MEASURING TESTING