DC

David W. Clarke

IS Invensys Systems: 17 patents #6 of 328Top 2%
FB Fox Boro: 2 patents #52 of 212Top 25%
AA Aluminum Company Of America: 1 patents #495 of 1,017Top 50%
Overall (All Time): #223,657 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9279710 Digital flowmeter Manus P. Henry, James H. Vignos 2016-03-08
9200936 Digital flowmeter Manus P. Henry, James H. Vignos 2015-12-01
9091580 Digital flowmeter Manus P. Henry, James H. Vignos 2015-07-28
9080909 Digital flowmeter Manus P. Henry, James H. Vignos 2015-07-14
9046400 Digital flowmeter Manus P. Henry, James H. Vignos 2015-06-02
8447534 Digital flowmeter Manus P. Henry, James H. Vignos 2013-05-21
8000906 Digital flowmeter Manus P. Henry, James H. Vignos 2011-08-16
7571062 Digital flowmeter Manus P. Henry, James H. Vignos 2009-08-04
7136761 Digital flowmeter Manus P. Henry, James H. Vignos 2006-11-14
6993445 Vortex flowmeter Tarek Ghaoud 2006-01-31
6917887 Digital flowmeter Manus P. Henry, James H. Vignos 2005-07-12
6915242 Evaluating a vortex flow-meter signal Tarek Ghaoud 2005-07-05
6832179 Evaluating a vortex flow-meter signal Tarek Ghaoud 2004-12-14
6816810 Process monitoring and control using self-validating sensors Manus P. Henry, David J. Sandoz 2004-11-09
6754594 Digital flowmeter Manus P. Henry, James H. Vignos 2004-06-22
6507791 Digital flowmeter Manus P. Henry, James H. Vignos 2003-01-14
6311136 Digital flowmeter Manus P. Henry, James H. Vignos 2001-10-30
5680109 Impulse line blockage detector systems and methods Justin Lowe 1997-10-21
5570300 Self-validating sensors Manus P. Henry, Wade M. Mattar, Janice Yang 1996-10-29
4660586 Liquid level control David J. Knapp, Marion D. Waltz 1987-04-28