Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6863799 | Combination galvanic anode and wear plate for storage tanks | — | 2005-03-08 |
| 6613216 | Combination galvanic anode and wear plate for storage tanks | Brian Donovan | 2003-09-02 |
| 6328877 | Reference electrode improvement | — | 2001-12-11 |
| 6187161 | Reference cell | William P. Carlson, Richard E. Say | 2001-02-13 |
| 6001225 | Catalytically coated anodes | — | 1999-12-14 |
| 5667649 | Corrosion-resistant ferrous alloys for use as impressed current anodes | — | 1997-09-16 |
| 5370783 | Electrode | William P. Carlson | 1994-12-06 |
| 5216370 | Method and system for measuring the polarized potential of a cathodically protected structures substantially IR drop free | Wayne J. Swiat | 1993-06-01 |
| 5065893 | Cathodic protection system and method for above-ground storage tank bottoms | David H. Kroon, Gary Paul Goldsmith, Michael K. Baach | 1991-11-19 |
| 4816747 | Method and apparatus for electrical surveys of subsurface structures utilizing cell-to-cell techniques with correction to direct potential measurements | Clark P. Weldon, Stephen L. Wolfson | 1989-03-28 |
| 4515669 | Anode and connection | James Dimond | 1985-05-07 |
| 4467274 | Electrical surveys of underwater or underground structures with electrode-to-electrolyte potential correction | Clark P. Weldon, Stephen L. Wolfson | 1984-08-21 |
| 4414511 | Low resistance, fluid replenishing, reference cell and method for using same in structure-to-soil electrical surveys | Charles G. Waits, Karl W. Nicholas | 1983-11-08 |
| 4279729 | Anode and method of construction | James Dimond, John Hennessy | 1981-07-21 |
| 4255241 | Cathodic protection apparatus and method for steel reinforced concrete structures | David H. Kroon, Joseph W. Rog | 1981-03-10 |