Daniel J. Rudroff

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for a bidirectional meter proving system
- Patent number 9,719,837
- Issue date Aug 1, 2017
- WFMS, Inc.
- Daniel J. Rudroff
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for a bidirectional meter proving system
- Patent number 9,581,486
- Issue date Feb 28, 2017
- WFMS, Inc.
- Daniel J. Rudroff
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for a bidirectional meter proving system
- Patent number 9,316,527
- Issue date Apr 19, 2016
- WFMS, Inc.
- Daniel J. Rudroff
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for a bidirectional meter proving system
- Patent number 8,505,355
- Issue date Aug 13, 2013
- Welker Flow Measurement Systems, Inc.
- Daniel J. Rudroff
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR A BIDIRECTIONAL METER PROVING SYSTEM
- Publication number 20150027197
- Publication date Jan 29, 2015
- WFMS, INC.
- Daniel J. Rudroff
- G01 - MEASURING TESTING
Information Patent Application
METHOD AND APPARATUS FOR A BIDIRECTIONAL METER PROVING SYSTEM
- Publication number 20140137628
- Publication date May 22, 2014
- WFMS, INC.
- Daniel J. Rudroff
- G01 - MEASURING TESTING
Information Patent Application
METHOD AND APPARATUS FOR A BIDIRECTIONAL METER PROVING SYSTEM
- Publication number 20130291619
- Publication date Nov 7, 2013
- Daniel J. Rudroff
- G01 - MEASURING TESTING
Information Patent Application
METHOD AND APPARATUS FOR A BIDIRECTIONAL METER PROVING SYSTEM
- Publication number 20090293582
- Publication date Dec 3, 2009
- WELKER FLOW MEASUREMENT SYSTEMS, INC.
- Daniel J. Rudroff
- G01 - MEASURING TESTING