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Santa Luzia, Brazil

Companhia Vale Do Rio Doce

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USPTO Granted Patents = 17

% Expired Patents = 17.6

CIPO Patents = 4

EPO Patents = 3

Trademarks = 3

Forward Citations = 59

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57 inventors (with patents filed for the assignee):

Lino Rodrigues De Freitas (3 out of 4 patents)

Ronaldo De Moreira Horta (2 out of 2 patents)

Sergio Francisco Valter (1 out of 1 patent)

4. Jose Otavio Belmonte Machado (1 out of 1 patent)

5. Dilson Pereira Correia (1 out of 1 patent)

6. Sergio Geraldo Vescovi (1 out of 1 patent)

7. Ranunfo Ramos Lima (1 out of 1 patent)

8. Rogerio Carlos Eler (1 out of 1 patent)

9. Geysa Santos De Pontes Pereira (1 out of 1 patent)

10. Oliver Renato De Araujo Gobbo (1 out of 1 patent)

11. Ronaldo Moreira De Horta (1 out of 1 patent)

12. Joao Alberto Lessa Tude (1 out of 1 patent)

13. João Alberto Lessa Tude (1 out of 1 patent)

14. Josè Murilo Mourão (1 out of 1 patent)

15. Camilo Carlos Da Silva (1 out of 1 patent)

17 patents: Sort by Forward Citations

1. 8162649 - Device for eliminating oversize pellets from balling disks (2012-04-24),

2. 7964016 - Process for extraction of nickel, cobalt, and other base metals from laterite ores by using heap leaching and product containing nickel, cobalt, and other metals from laterite ores (2011-06-21),

3. 7618601 - Process for enrichment of anatase mechanical concentrates in order to obtain synthetic rutile with low contents of rare earth and radioactive elements (2009-11-17),

4. 7572418 - [object Object] (2009-08-11),

5. 7226495 - Method to increase the adherence of coating materials on ferrous materials (2007-06-05),

6. 6346223 - Process for the production of titanium concentrate from anatase ores with high utilization of the iron contents of the ore (2002-02-12),

7. 6217318 - Grate bar for pelletizing and sintering furnaces (2001-04-17),

8. 6189840 - Roller device for displacement of railroad switching rails (2001-02-20),

9. 6171562 - Process for the extraction and elimination of deleterious material from natural manganese dioxide and concentrate of manganese dioxide obtained by said process (2001-01-09),

10. 6115896 - Maintenance device for flat filter head valves (2000-09-12),

11. 6102460 - Device for supporting tamping bench arms (2000-08-15),

12. 6089962 - Machine for polishing railway vehicle wheel axles (2000-07-18),

13. 6008890 - Positioning system for the arm of ore car turning equipment (1999-12-28),

14. 5988361 - Split load cradle for conveyor belts (1999-11-23),

15. 5966848 - Tooth of ore recovery buckets (1999-10-19),

Company Overview

Companhia Vale Do Rio Doce, commonly known as Vale, is a prominent Brazilian multinational corporation primarily engaged in the mining and metallurgy sectors. The company specializes in the extraction and processing of minerals, particularly iron ore and nickel, and is recognized for its commitment to sustainable practices in resource management. With a strong presence in various global markets, Vale also invests in technological advancements to enhance operational efficiency and reduce environmental impact, contributing significantly to the mining industry's evolution.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

17 Patents

#1 in Santa Luzia

#39 in Brazil

#35,974 in the World

Santa Luzia, Brazil

Companhia Vale Do Rio Doce

Forward Citations = 59

57 inventors:

Lino Rodrigues De Freitas (3 out of 4 patents)

Ronaldo De Moreira Horta (2 out of 2 patents)

Sergio Francisco Valter (1 out of 1 patent)

4. Jose Otavio Belmonte Machado (1 out of 1 patent)

5. Dilson Pereira Correia (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Companhia Vale Do Rio Doce. Retrieved from https://idiyas.com/company/companhia-vale-do-rio-doce

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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