This inventor holds 6 USPTO granted patents and 3 published patent applications and 4 EPO patents. Top assignees: Gem Co., Ltd., Pt Esg New Energy Material, Pt Gem Indonesia New Energy Materials. Active years: 2025-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
4 out of 27 
4 out of 20 
4 out of 22 Years Active: 2025-2026
Title: Arnaldo Marulitua Sinaga: Innovator in Nickel Ore Processing
Introduction
Arnaldo Marulitua Sinaga is a notable inventor based in Dki Jakarta, Indonesia. He has made significant contributions to the field of hydrometallurgical processing, particularly in the extraction of nickel from laterite ores. With a total of four patents to his name, his work showcases innovative solutions that enhance efficiency in ore processing.
Latest Patents
One of his latest patents is the "Combined heat exchange system of flash tank and preheater for laterite nickel ore leaching." This invention features a high-pressure reactor, preheating towers, and flash tanks. The system is designed to optimize the leaching process by effectively managing heat exchange. The buffering mechanism within the flash tank allows for a smooth transition of materials, ensuring a buffering effect that enhances operational efficiency.
Another significant patent is the "Cylindrical ore washing machine used for hydrometallurgical smelting of laterite nickel ore." This cylindrical ore washer includes a mounting bracket, a screening component, a regulator, and an ore-washing component. The design prolongs the residence time of the ore within the screening cylinder, thereby improving both washing efficiency and cleaning effectiveness.
Career Highlights
Arnaldo has worked with several companies, including PT ESG New Energy Material and Gem Co., Ltd. His experience in these organizations has allowed him to apply his innovative ideas in practical settings, contributing to advancements in nickel ore processing technologies.
Collaborations
Throughout his career, Arnaldo has collaborated with notable individuals such as Satryo Soemantri Brodjonegoro and Kaihua Xu. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and innovation.
Conclusion
Arnaldo Marulitua Sinaga stands out as a prominent inventor in the field of nickel ore processing. His patents reflect a commitment to innovation and efficiency, making significant strides in the industry. His contributions are likely to influence future developments in hydrometallurgical processes.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile