Richard E. Loftfield
12Patents
6h-index
17Co-inventors
63Inventor score
Filing activity: Sep 26, 1973 → Feb 18, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5411646A | Cathodic protection anode and systems | Chemistry; Metallurgy | 18 | Expired |
| US4149956A | Anode structure | Chemistry; Metallurgy | 14 | Expired |
| US4872957A | Electrochemical cell having dual purpose electrode | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6149049A | Metallurgical bonding of dissimilar metal tubes | Performing Operations; Transporting | 7 | Expired |
| US6562229B1 | Louvered anode for cathodic protection systems | Chemistry; Metallurgy | 7 | Expired |
| US3997414A | Gas concentrated and cooled electrolytic cell | Chemistry; Metallurgy | 6 | Expired |
| US5004626A | Anodes and method of making | Chemistry; Metallurgy | 5 | Expired |
| US5589053A | Electrolysis process for removal of caustic in hemicellulose caustic | Textiles; Paper | 4 | Expired |
| US6056867A | Ladder anode for cathodic protection | Chemistry; Metallurgy | 3 | Expired |
| US4087344A | Electrolytic cell | Chemistry; Metallurgy | 3 | Expired |
| US6569296B1 | Ladder anode for cathodic protection of steel reinforcement in atmospherically exposed concrete | Chemistry; Metallurgy | 3 | Expired |
| US5667668A | Electrolysis process for removal of caustic in hemicellulose caustic | Textiles; Paper | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.