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SulphCo, Inc.
Patents, Trademarks and Copyrights
SulphCo owns eight United States patents and has four pending United States patent applications. Our granted U.S. Patents include:
• Power Driving Circuit for Controlling a Variable Load Ultrasonic Transducer. U.S.
patent no. 7,408,290 was issued on August 5, 2008 to SulphCo;
• Loop-Shaped Ultrasound Generator and Use in Reaction Systems. U.S. patent no.
7,275,440 was issued on October 2, 2007 to Dr. Rudolf W. Gunnerman and assigned
to SulphCo;
• Conversion of Petroleum Resid to Usable Oils with Ultrasound. U.S. patent no.
7,300,566 was issued on November 27, 2007 to Dr. Rudolf W. Gunnerman and
assigned to SulphCo;
• Oxidative Desulphurization of Fossil Fuels with Ultrasound. U.S. patent no. 6,402,939,
issued June 11, 2002 to Dr. Teh Fu Yen and assigned to SulphCo;
• Continuous Process for Oxidative Desulphurization of Fossil Fuels with Ultrasound and
Products Thereof. U.S. patent no. 6,500,219, issued December 31, 2002 to Dr. Rudolf
W. Gunnerman, and assigned to SulphCo;
• Ultrasound-Assisted Desulfurization of Fossil Fuels in the Presence of Dialkyl Ethers.
U.S. patent no. 6,827,844 was issued on December 7, 2004. Dr. Rudolf W.
Gunnerman, listed as the inventor, assigned the patent to SulphCo;
• Corrosion Resistant Ultrasonic Horn. U.S. patent no. 6,652,992, issued November 25,
2003 to Dr. Rudolf W. Gunnerman, and assigned to SulphCo, Inc; and
• High-Power Ultrasound Generator and Use in Chemical Reactions. U.S. patent no.
6,897,628 was issued on May 24, 2005. Dr. Rudolf W. Gunnerman and Dr. Charles
Richman, listed as co-inventors, assigned the patent to SulphCo.
SulphCo also has four pending U.S. Patents including:
• High-Throughput Continuous-Flow Ultrasound Reactor. Two pending U.S. patent
application no. 10/857444, filed May 27, 2004, and no. 11/597043, filed on November
16, 2006.
• Upgrading of Petroleum by Combined Ultrasound and Microwave Treatments. Pending
U.S. patent application no. 11/059115 was filed on February 15, 2005.
• High-Power Ultrasonic Horn. Pending U.S. patent application no. 11/066766 was filed
on February 24, 2005.
In addition, SulphCo has been granted 46 international patents and has applied for an additional 134 international patents to protect other aspects and applications of the Company's technologies. These include, but are not limited to, new processes and procedures, developed by SulphCo personnel, required to manufacture higher power ultrasound equipment for use in SulphCo's desulfurization units.
We have applied to register the trademarks Sonocracking™, Sonocracker™, and Sonocracked Crude™ with reference to our upgrading and desulfurization technology. The trademark “SulphCo™” was registered in the U.S. on May 30, 2006. We also rely on copyright protection for the software utilized in our Sonocracking™ units.
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