PERMELEC ELECTRODE LTD.
153Patents
23Active
153Granted
45Portfolio score
Filing activity: Mar 9, 1979 → Mar 12, 2018 · 15 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5034186A | Process for providing titanium composite having a porous surface | Emerging Cross-Sectional Technologies | 56 | Expired |
| US5900127A | Electrode for electrolysis and electrolytic cell using the electrode | Chemistry; Metallurgy | 56 | Expired |
| US6235186A | Apparatus for producing electrolytic water | Chemistry; Metallurgy | 54 | Expired |
| US5141576A | Titanium composite materials coated with calcium phosphate compound and process for production thereof | Human Necessities | 46 | Expired |
| US4911953A | Process for producing composite materials having a coating of calcium phosphate compound | Human Necessities | 44 | Expired |
| US4882196A | Process for the production of a titanium composite materials coated with calcium phosphate compound | Human Necessities | 42 | Expired |
| US5589052A | Method for electrolyzing water | Emerging Cross-Sectional Technologies | 38 | Expired |
| US6117286A | Electrolytic cell employing gas diffusion electrode | Chemistry; Metallurgy | 38 | Expired |
| US4960646A | Titanium composite materials coated with calcium phosphate compound | Human Necessities | 37 | Expired |
| US5447640A | Method and apparatus for sterilization of and treatment with ozonized water | Emerging Cross-Sectional Technologies | 37 | Expired |
| US4847163A | Metal-metal oxide composites and a coating layer of calcium phosphate on the oxide layer | Emerging Cross-Sectional Technologies | 36 | Expired |
| US5965009A | Method of producing acid water and electrolytic cell therefor | Chemistry; Metallurgy | 34 | Expired |
| US6375827B1 | Electrochemical treating method and apparatus | Chemistry; Metallurgy | 33 | Expired |
| US6126796A | Electrolytic cell and method for the production of acid water | Chemistry; Metallurgy | 32 | Expired |
| US4457822A | Electrolysis apparatus using a diaphragm of a solid polymer electrolyte | Emerging Cross-Sectional Technologies | 31 | Expired |
| US6143163A | Method of water electrolysis | Chemistry; Metallurgy | 30 | Expired |
| US4965088A | Calcium phosphate-coated composite material and process for production thereof | Emerging Cross-Sectional Technologies | 27 | Expired |
| US6527940B1 | Production method of acid water and alkaline water | Chemistry; Metallurgy | 26 | Expired |
| US6773575B2 | Electrolytic cell and process for the production of hydrogen peroxide solution and hypochlorous acid | Chemistry; Metallurgy | 25 | Expired |
| US5114549A | Method and apparatus for treating water using electrolytic ozone | Chemistry; Metallurgy | 24 | Expired |
| US6761815B2 | Process for the production of hydrogen peroxide solution | Chemistry; Metallurgy | 24 | Expired |
| US5205994A | Electrolytic ozone generator | Chemistry; Metallurgy | 22 | Expired |
| US7094329B2 | Process of producing peroxo-carbonate | Chemistry; Metallurgy | 21 | Expired |
| US5290406A | Method for producing ozone | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4400408A | Method for forming an anticorrosive coating on a metal substrate | Chemistry; Metallurgy | 21 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.