Douglas Evan Simmers

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Massillon, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of operation an in SITU process probe
- Patent number 9,797,849
- Issue date Oct 24, 2017
- Rosemount Analytical Inc.
- James D. Kramer
- G01 - MEASURING TESTING
Information Patent Grant
In situ probe with improved diagnostics and compensation
- Patent number 9,448,201
- Issue date Sep 20, 2016
- Rosemount Analytical, Inc.
- James D. Kramer
- G01 - MEASURING TESTING
Information Patent Grant
Tracking device with weathervaning wind stowage mode of operation
- Patent number 8,210,162
- Issue date Jul 3, 2012
- Douglas Evan Simmers
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Stretched membrane device
- Patent number 7,374,301
- Issue date May 20, 2008
- Douglas Evan Simmers
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
IN SITU HEATED PROCESS PROBE
- Publication number 20140295570
- Publication date Oct 2, 2014
- Rosemount Analytical, Inc.
- James D. Kramer
- G01 - MEASURING TESTING
Information Patent Application
IN SITU PROBE WITH IMPROVED DIAGNOSTICS AND COMPENSATION
- Publication number 20140290329
- Publication date Oct 2, 2014
- Rosemount Analytical, Inc.
- James D. Kramer
- G01 - MEASURING TESTING
Information Patent Application
DIFFUSER DIAGNOSTIC FOR IN-SITU FLUE GAS MEASUREMENT DEVICE
- Publication number 20140260511
- Publication date Sep 18, 2014
- Rosemount Analytical Inc.
- Joseph C. Nemer
- G01 - MEASURING TESTING
Information Patent Application
Tracking Device With Weathervaning Wind Stowage Mode of Operation
- Publication number 20100275901
- Publication date Nov 4, 2010
- Douglas Evan Simmers
- F24 - HEATING RANGES VENTILATING
Information Patent Application
STRETCHED MEMBRANE DEVICE
- Publication number 20080137221
- Publication date Jun 12, 2008
- Douglas Evan Simmers
- G02 - OPTICS