DR

Daniel G. Roper

ET Emerson Process Management Regulator Technologies: 15 patents #5 of 139Top 4%
FI Fisher Controls International: 7 patents #64 of 440Top 15%
Overall (All Time): #194,485 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10920896 Top entry axial flow regulator James Lyman Griffin, Jr., Douglas J. Scheffler, Harold J. McKinney, Matthew W. Hanusa 2021-02-16
10041602 Top entry axial flow regulator James Lyman Griffin, Jr., Douglas J. Scheffler, Harold J. McKinney, Matthew W. Hanusa 2018-08-07
9989977 Mechanism and method to adjust size of balanced valve Harold J. McKinney, Douglas J. Scheffler, Jason D. Journey 2018-06-05
9952605 Pilot operated fluid regulators having a reset apparatus and related methods James Lyman Griffin, Jr., Douglas J. Scheffler, Harold J. McKinney, Jason D. Journey 2018-04-24
9739381 Mechanically retained valve seat Michel Bouvry, Daniel Coestesquis, Harold J. McKinney 2017-08-22
9664303 Valve sound reducing trim assembly with pressure relief mechanism James Lyman Griffin, Jr., Matthew W. Hanusa, Thomas L. Weyer, Harold J. McKinney 2017-05-30
9470337 Flow path velocity modifier for a control valve Harold J. McKinney 2016-10-18
9188233 Positioning device for pressure regulator Harold J. McKinney, Thomas L. Weyer 2015-11-17
9145904 Pilot operated fluid regulators having a reset apparatus and related methods James Lyman Griffin, Jr., Douglas J. Scheffler, Harold J. McKinney, Jason D. Journey 2015-09-29
9115825 Valve sound reducing trim assembly with pressure relief mechanism James Lyman Griffin, Jr., Matthew W. Hanusa, Thomas L. Weyer, Harold J. McKinney 2015-08-25
9091366 Flow restricted seat ring for pressure regulators Thomas L. Weyer, James Lyman Griffin, Jr., Harold J. McKinney, Douglas J. Scheffler 2015-07-28
9086702 Pressure-balanced fluid pressure regulators James Lyman Griffin, Jr., Jason Dirk Jablonski, Harold J. McKinney, Andrew Jared Lukensmeyer 2015-07-21
8910661 Valve sound reducing trim assembly with pressure relief mechanism James Lyman Griffin, Jr., Matthew W. Hanusa, Thomas L. Weyer, Harold J. McKinney 2014-12-16
8826933 Positioning device for pressure regulator Harold J. McKinney, Thomas L. Weyer 2014-09-09
8740179 Two-piece trim for use with fluid regulators James Lyman Griffin, Jr., Thomas L. Weyer, Harold J. McKinney 2014-06-03
8708309 Self-aligning spring seat for fluid regulator and fluid regulator comprising self-aligning spring seat Douglas J. Scheffler, Harold J. McKinney 2014-04-29
8590858 Anti-gradient cupped seat for pressure regulator Harold J. McKinney, Douglas J. Scheffler 2013-11-26
7896028 Flow restricted seat ring for pressure regulators Thomas L. Weyer, James Lyman Griffin, Jr., Harold J. McKinney, Douglas J. Scheffler 2011-03-01
6178997 Intelligent pressure regulator Paul Adams, Karl J. Gabel 2001-01-30
6056008 Intelligent pressure regulator Paul Adams, Karl J. Gabel 2000-05-02
6035878 Diagnostic device and method for pressure regulator Paul Adams, Karl J. Gabel 2000-03-14
5709369 Self-aligning valve disc assembly James C. Hawkins, David E. Woollums, David B. Davis, Shane NICHOLSON, Justin Wade Hart 1998-01-20