List of hydrogen fuel patents

Patents where

Current Assignee

Industry

Name	Description	Patent Applicant	Current Assignee	Patent Jurisdiction	Patent Number	Date of Patent
‌ US Patent 11549874 Method and apparatus for using a gas density sensor to control gas mixture composition	Patent 11549874 was granted and assigned to Air Products on January, 2023 by the United States Patent and Trademark Office.	Air Products	Air Products	United States Patent and Trademark Office	11549874	January 10, 2023
‌ US Patent 7141321 System and method for enabling the real time buying and selling of electricity generated by fuel cell powered vehicles	Patent 7141321 was granted and assigned to Hydrogenics on November, 2006 by the United States Patent and Trademark Office.		Hydrogenics	United States Patent and Trademark Office	7141321	November 28, 2006
‌ US Patent 11510540 Vacuum cleaner and system operable with AC and DC power sources	Patent 11510540 was granted and assigned to Emerson (company) on November, 2022 by the United States Patent and Trademark Office.	Emerson	Emerson	United States Patent and Trademark Office	11510540	November 29, 2022
‌ US Patent 7416800 Method and apparatus for a combined fuel cell and hydrogen purification system	Patent 7416800 was granted and assigned to Plug Power on August, 2008 by the United States Patent and Trademark Office.		Plug Power	United States Patent and Trademark Office	7416800	August 26, 2008
‌ US Patent 11786089 Vacuum cleaner including hose retainer with dustpan and method of assembling same	Patent 11786089 was granted and assigned to Emerson (company) on October, 2023 by the United States Patent and Trademark Office.	Emerson	Emerson	United States Patent and Trademark Office	11786089	October 17, 2023
‌ US Patent 7011903 Method and apparatus for a combined fuel cell and hydrogen purification system	Patent 7011903 was granted and assigned to Plug Power on March, 2006 by the United States Patent and Trademark Office.		Plug Power	United States Patent and Trademark Office	7011903	March 14, 2006
‌ US Patent 6889710 Rotary sequencing valve with flexible port plate	Patent 6889710 was granted and assigned to Air Products on May, 2005 by the United States Patent and Trademark Office.		Air Products	United States Patent and Trademark Office	6889710	May 10, 2005
‌ US Patent 11626730 Method and apparatus for managing predicted power resources for an industrial gas plant complex	Patent 11626730 was granted and assigned to Air Products on April, 2023 by the United States Patent and Trademark Office.	Air Products	Air Products	United States Patent and Trademark Office	11626730	April 11, 2023
‌ US Patent 7425832 System and method for measuring internal resistance of electrochemical devices	Patent 7425832 was granted and assigned to Hydrogenics on September, 2008 by the United States Patent and Trademark Office.		Hydrogenics	United States Patent and Trademark Office	7425832	September 16, 2008
‌ US Patent 11672390 Vacuum cleaner motor assemblies and methods of operating same		Emerson	Emerson	United States Patent and Trademark Office	11672390	June 13, 2023
‌ US Patent 11258294 Microgrid with power equalizer bus and method of operating same	Patent 11258294 was granted and assigned to Bloom Energy on February, 2022 by the United States Patent and Trademark Office.	Bloom Energy	Bloom Energy	United States Patent and Trademark Office	11258294	February 22, 2022
‌ US Patent 6886609 Mobile hydrogen generation and supply system	Patent 6886609 was granted and assigned to Air Products on May, 2005 by the United States Patent and Trademark Office.		Air Products	United States Patent and Trademark Office	6886609	May 3, 2005
‌ US Patent 12132234 Fuel cell interconnect optimized for operation in hydrogen fuel	Patent 12132234 was granted and assigned to Bloom Energy on October, 2024 by the United States Patent and Trademark Office.	Bloom Energy	Bloom Energy	United States Patent and Trademark Office	12132234	October 29, 2024
‌ US Patent 11355762 Cross-flow interconnect and fuel cell system including same	Patent 11355762 was granted and assigned to Bloom Energy on June, 2022 by the United States Patent and Trademark Office.	Bloom Energy	Bloom Energy	United States Patent and Trademark Office	11355762	June 7, 2022
‌ US Patent 11684226 Motor cover for wet/dry vacuum cleaner with vent openings		Emerson	Emerson	United States Patent and Trademark Office	11684226	June 27, 2023
‌ US Patent 7077891 Adsorbent sheet material for parallel passage contactors	Patent 7077891 was granted and assigned to Air Products on July, 2006 by the United States Patent and Trademark Office.		Air Products	United States Patent and Trademark Office	7077891	July 18, 2006
‌ US Patent 11639824 Process for enhanced closed-circuit cooling system	Patent 11639824 was granted and assigned to Air Products on May, 2023 by the United States Patent and Trademark Office.	Air Products	Air Products	United States Patent and Trademark Office	11639824	May 2, 2023
‌ US Patent 11335928 Electrochemical impedance spectroscopy (“EIS”) analyzer and method of using thereof		Bloom Energy	Bloom Energy	United States Patent and Trademark Office	11335928	May 17, 2022
‌ US Patent 7374838 Electrochemical fuel cell with fluid distribution layer having non-uniform permeability	Patent 7374838 was granted and assigned to Ballard Power Systems on May, 2008 by the United States Patent and Trademark Office.		Ballard Power Systems	United States Patent and Trademark Office	7374838	May 20, 2008
‌ US Patent 11647878 Vacuum cleaner motor assemblies and methods of operating same	Patent 11647878 was granted and assigned to Emerson (company) on May, 2023 by the United States Patent and Trademark Office.	Emerson	Emerson	United States Patent and Trademark Office	11647878	May 16, 2023
‌ US Patent 11499726 Coaxial gas valve assemblies including electronically controlled solenoids	Patent 11499726 was granted and assigned to Emerson (company) on November, 2022 by the United States Patent and Trademark Office.	Emerson	Emerson	United States Patent and Trademark Office	11499726	November 15, 2022
‌ US Patent 11355955 Hybrid DC power installation for data center load	Patent 11355955 was granted and assigned to Bloom Energy on June, 2022 by the United States Patent and Trademark Office.	Bloom Energy	Bloom Energy	United States Patent and Trademark Office	11355955	June 7, 2022
‌ US Patent 8404398 Hermetic high temperature dielectric with groove and thermal expansion compensator	Patent 8404398 was granted and assigned to Bloom Energy on March, 2013 by the United States Patent and Trademark Office.		Bloom Energy	United States Patent and Trademark Office	8404398	March 26, 2013
‌ US Patent 11441806 Systems and methods for wirelessly configuring climate control system controls		Emerson	Emerson	United States Patent and Trademark Office	11441806	September 13, 2022
‌ US Patent 7390586 Fuel cell stacks of alternating polarity membrane electrode assemblies	Patent 7390586 was granted and assigned to Ballard Power Systems on June, 2008 by the United States Patent and Trademark Office.		Ballard Power Systems	United States Patent and Trademark Office	7390586	June 24, 2008

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