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Back pressure valve with dynamic pressure control
Filed: September 24th, 2001 [Granted]
Assignee: Hydrogenics Corporation
Patent Number: 6866061
IIIH US006866061B2 (12) United States Patent ao) Patent No.: us 6866061 B2 Ye et al. (45) Date of Patent: Mar. 15, 2005 ...
Apparatus for and method of forming seals in fuel cells and fuel cell stacks
Filed: May 15th, 2001 [Granted]
Patent Number: 6852439
United States Patent (12) (10) Patent N0.: US 6852439 B2 Frank et al. (45) Date of Patent: Feb. 8, 2005 (54) APPARATUS FOR AND METHOD OF 4269991 A 5/1981 ...
System and method for process gas stream delivery and regulation using open ...
Filed: September 23rd, 2003 [Pending]
Assignee: Hydrogenics Corporation
Patent Application Number: 10667900
(19) United States (12) Patent Application Publication (io) Pub. No.: US 2004/ 0115491 Al Cargnelli et al. (43) Pub. Date: Jun.
System, computer program product and method for controlling a fuel cell ...
Filed: September 17th, 2002 [Granted]
Assignee: Hydrogenics Corporation
Patent Number: 6889147
Illllllllllllllllllllllllllllllllllllllllllllllllll US006889147B2 (12) United States Patent ao) Patent No.: us 6889147 B2 Gopal et al.
Apparatus for humidification and temperature control of incoming fuel cell ...
Filed: February 28th, 2002 [Pending]
Assignee: Hydrogenics Corporation
Patent Application Number: 10084320
(19) United States (12) Patent Application Publication (io) Pub. No.: US 2002/ 0088614 Al Cargnelli et al. (43) Pub. Date: Jul.
Apparatus for and method of forming seals in fuel cells and fuel stacks
Filed: November 14th, 2003 [Granted]
Assignee: Hydrogenics Corporation
Patent Number: 7138202
mi iiiiiii ill mi mi iiiiipjiiiji|j|i mi linn mi mi mi (12) United States Patent Frank et al. (io) Patent No.: (45) Date of Patent: US 7138202 B2 Nov.
Pressure control system for low pressure operation
Filed: November 20th, 2003 [Granted]
Assignee: Hydrogenics Corporation
Patent Number: 6935363
IIIH US006935363B2 (12) United States Patent (io) Patent No.: US 6935363 B2 Lamont et al. (45) Date of Patent: Aug.
Method of operating a fuel cell to provide a heated and humidified oxidant
Filed: August 9th, 2004 [Granted]
Assignee: Hydrogenics Corporation
Patent Number: 7338727
Illllllllllllllllllllllllllllllllllllllllllllllllll US007338727B2 (12) United States Patent Chen et al. (io) Patent No.: (45) Date of Patent: US 7338727 B2 ...
