DH

David W. Hill

SN Severn Trent De Nora: 5 patents #2 of 11Top 20%
Eastman Kodak: 2 patents #3,607 of 8,114Top 45%
ND National Research Development: 1 patents #307 of 1,071Top 30%
📍 Toronto, CA: #588 of 9,482 inventorsTop 7%
Overall (All Time): #414,988 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
RE47205 Relationship and security in online social and professional networks and communities 2019-01-15
8668832 Wastewater treatment onboard small marine vessels Rudolf Matousek, Dana Casbeer, Rubin Bariya 2014-03-11
8465653 Marine wastewater treatment Rudolf Matousek, Dana Casbeer, Rubin Bariya 2013-06-18
8364753 Relationship and security in online social and professional networks and communities 2013-01-29
8152989 System and process for treating ballast water Harold Childers, Randolfo Fernandez, Rudolf Matousek, James B. Moore 2012-04-10
8147673 System and process for treatment and de-halogenation of ballast water Harold Childers, Randolto Fernandez, Rudolf Matousek, James B. Moore 2012-04-03
7244348 System and method for treatment of ballast water Randolfo Fernandez, Rudolf Matousek, James B. Moore 2007-07-17
6943867 Method and system for shipping of photofinishing orders Joshua J. Litwin, David Lu 2005-09-13
6829037 Method and system for verifying a photofinishing order 2004-12-07
6812998 Method and system for shipping of photofinishing orders Joshua J. Litwin, David Lu 2004-11-02
D377384 Fishing lure 1997-01-14
4346991 Method and apparatus for measuring retinal blood flow Keith Gardner, Edward R. Pike 1982-08-31