|
| US3990478 | 20 Nov 1974 | 9 Nov 1976 | Inland Steel Company | Combined strengthening and corrosion protection of pipelines |
| US3994794 | 30 Dic 1969 | 30 Nov 1976 | The Tapecoat Company, Inc. | Sacrificial anode |
| US4282079 | 13 Feb 1980 | 4 Ago 1981 | Eastman Kodak Company | Planar glass ion-selective electrode |
| US4473450 | 15 Abr 1983 | 25 Sep 1984 | Raychem Corporation | Electrochemical method and apparatus |
| US4496444 | 5 Ene 1981 | 29 Ene 1985 | Caunned Aktiengesellschaft | Method of corrosion protection |
| US4502929 | 29 Jul 1982 | 5 Mar 1985 | Raychem Corporation | Corrosion protection method |
| US4921588 | 18 Feb 1988 | 1 May 1990 | | Cathodic protection using carbosil anodes |
| US4957612 | 9 Feb 1987 | 18 Sep 1990 | Raychem Corporation | Electrodes for use in electrochemical processes |
| US4963245 | 9 Mar 1990 | 16 Oct 1990 | Ciba Corning Diagnostics Corp. | Unitary multiple electrode sensor |
| US4990231 | 26 Ene 1990 | 5 Feb 1991 | Raychem Corporation | Corrosion protection system |
| US5066372 | 21 Jun 1990 | 19 Nov 1991 | Ciba Corning Diagnostics Corp. | Unitary multiple electrode sensor |
| US5167785 | 9 Ago 1990 | 1 Dic 1992 | | Thin electrodes |
| US5198082 | 9 Jun 1989 | 30 Mar 1993 | Norwegian Concrete Technologies A/S | Process for rehabilitating internally reinforced concrete by removal of chlorides |
| US5378336 | 25 Jun 1992 | 3 Ene 1995 | Ecoline Anticorrosion S.r.l. | Inert anode for dissipation of continuous current |
| US5388319 | 8 Mar 1993 | 14 Feb 1995 | NGK Insulators, Ltd. | Method for making organism deposit-inhibiting pipe |
| US5423631 | 8 Mar 1993 | 13 Jun 1995 | NGK Insulators, Ltd. | Antifouling structures |
| US5512149 | 1 Sep 1994 | 30 Abr 1996 | | Sacrificial anode device with optimized anode/cathode interface surface contact area |
| US5714045 | 8 Nov 1996 | 3 Feb 1998 | Alltrista Corporation Florida Department of Transportation | Jacketed sacrificial anode cathodic protection system |
| US6129121 | 28 Oct 1998 | 10 Oct 2000 | Zurn Industries, Inc. | Pipe nipple |
| US6214203 | 6 Dic 1999 | 10 Abr 2001 | United States Pipe Foundry | Anodic encasement corrosion protection system for pipe and appurtenances, and metallic components thereof |
| US6238545 | 2 Ago 1999 | 29 May 2001 | | Composite anode, electrolyte pipe section, and method of making and forming a pipeline, and applying cathodic protection to the pipeline |
| US6331242 | 21 Jun 2000 | 18 Dic 2001 | United States Pipe and Foundry Company, Inc. | Anodic encasement corrosion protection system for underground storage tanks, and metallic components thereof |
| US6554992 | 7 Jun 1995 | 29 Abr 2003 | McWane, Inc. | Aluminum alloy exterior coating for underground ductile iron pipe |
| US7306687 | 20 Sep 2004 | 11 Dic 2007 | | Method for repairing steel-reinforced concrete structure |
| US7306687 | 20 Sep 2004 | 11 Dic 2007 | | Method for repairing steel-reinforced concrete structure |
| US7905993 | 20 Nov 2007 | 15 Mar 2011 | | Corrosion control method and apparatus for reinforcing steel in concrete structures |