Fierro Esponja, S.A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Fierro Esponja, S.A..The latest application filed is for "method for reducing metal ores".
- Fierro Esponja, S.A. - Monterrey MX
| Patent | Date |
|---|---|
| Method for reducing metal ores Grant 3,904,397 - Celada , et al. September 9, 1 | 1975-09-09 |
| Method for gaseous reduction of metal ores Grant 3,890,142 - Celada , et al. June 17, 1 | 1975-06-17 |
| Method And Apparatus For Reducing Particulate Metal Ores To Sponge Metal And Cooling The Reduced Metal Grant 3,816,102 - Celada , et al. June 11, 1 | 1974-06-11 |
| Method And Apparatus For The Gaseous Reduction Of Iron Ore To Sponge Iron Grant 3,799,521 - Celada , et al. March 26, 1 | 1974-03-26 |
| Method For Reducing Particulate Metal Ores To Sponge Iron With Recycled Reducing Gas Grant 3,779,741 - Celada , et al. December 18, 1 | 1973-12-18 |
| Method And Apparatus For Controlling The Composition Of A Reducing Gas Used To Reduce Metal Ores Grant 3,770,421 - Celada , et al. November 6, 1 | 1973-11-06 |
| Method And Apparatus For The Gaseous Reduction Of Iron Ore To Sponge Iron Grant 3,765,872 - Celada , et al. October 16, 1 | 1973-10-16 |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.
| 