Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
RL

Richard E. Loftfield

HTHuron Tech: 3 patents #3 of 9Top 35%
CCCorrpro Companies: 1 patents #12 of 21Top 60%
HTH-D Tech: 1 patents #7 of 10Top 70%
Jacksonville, FL: #241 of 2,690 inventorsTop 9%
Florida: #6,100 of 67,251 inventorsTop 10%
Overall (All Time): #587,354 of 4,157,543Top 15%
9 Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
6569296 Ladder anode for cathodic protection of steel reinforcement in atmospherically exposed concrete John William Burgher, Dennis F. Dong 2003-05-27
6562229 Louvered anode for cathodic protection systems John William Burgher, Dennis F. Dong 2003-05-13
6149049 Metallurgical bonding of dissimilar metal tubes Scott A. Loftfield 2000-11-21
6056867 Ladder anode for cathodic protection John William Burgher, Dennis F. Dong 2000-05-02
5667668 Electrolysis process for removal of caustic in hemicellulose caustic Stephen W. Moran, John R. Jackson, Timothy J. Gallivan 1997-09-16
5589053 Electrolysis process for removal of caustic in hemicellulose caustic Stephen W. Moran, John R. Jackson, Timothy J. Gallivan 1996-12-31
5411646 Cathodic protection anode and systems Robert M. Gossett, Michael K. Baach, Dennis F. Dong 1995-05-02
5004626 Anodes and method of making Dennis F. Dong 1991-04-02
4872957 Electrochemical cell having dual purpose electrode Dennis F. Dong, Edward B. Noonan, Derek J. Rogers, Arthur L. Clifford, Katharina Benesch 1989-10-10