Richard Kellerman

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for measuring relative humidity of a mixture
- Patent number 7,249,493
- Issue date Jul 31, 2007
- Nielsen-Kellerman Co., Inc.
- Richard Kellerman
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for measuring relative humidity of a mixture
- Patent number 7,059,170
- Issue date Jun 13, 2006
- Nielsen-Kellerman, Inc.
- Richard Kellerman
- G01 - MEASURING TESTING
Information Patent Grant
Vane anemometer with thermally isolated sensors
- Patent number 6,257,074
- Issue date Jul 10, 2001
- Nielsen-Kellerman Co.
- Richard Kellerman
- G01 - MEASURING TESTING
Information Patent Grant
Vane anemometer having a modular impeller assembly
- Patent number 5,939,645
- Issue date Aug 17, 1999
- Nielsen-Kellerman
- Richard Kellerman
- G01 - MEASURING TESTING
Information Patent Grant
Vane anemometer having a modular impeller assembly
- Patent number 5,783,753
- Issue date Jul 21, 1998
- Nielsen-Kellerman Company
- Richard Kellerman
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for measuring relative humidity of a mixture
- Publication number 20060225486
- Publication date Oct 12, 2006
- Richard Kellerman
- G01 - MEASURING TESTING
Information Patent Application
Method and apparatus for measuring relative humidity of a mixture
- Publication number 20050188747
- Publication date Sep 1, 2005
- Richard Kellerman
- G01 - MEASURING TESTING