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William A. Pledger — 53 Patents

IDIdatech: 46 patents #2 of 33Top 7%
DSDcns Sa: 3 patents #1 of 17Top 6%
HPH2 Powertech: 3 patents #3 of 6Top 50%
Bend, OR: #5 of 663 inventorsTop 1%
Oregon: #632 of 28,073 inventorsTop 3%
Overall (All Time): #48,528 of 4,157,543Top 2%
53 Patents All Time
William A. Pledger has been granted 53 US patents while listed as an inventor at Idatech. The first was granted in 1999 and the most recent in April 2025. William A. Pledger ranks #48,528 of 4,157,543 US inventors in our database (top 1.2%). Patent records list William A. Pledger in Bend, OR, US.

Issued Patents All Time

Showing 1–25 of 53 patents

Patent #TitleCo-InventorsDate
12275638 Systems and methods for increasing the hydrogen permeance of hydrogen separation membranes in situ Charles R. Hill, Christopher Wright 2025-04-15
11999621 Systems and methods for increasing the hydrogen permeance of hydrogen-separation membranes in situ Charles R. Hill, Christopher Wright 2024-06-04
11618676 Systems and methods for increasing the hydrogen permeance of hydrogen-separation membranes in situ Charles R. Hill, Christopher Wright 2023-04-04
8696772 Steam reforming fuel processor, burner assembly, and methods of operating the same David J. Edlund, Darrell J. Elliott, Alan E. Hayes, Curtiss Renn, Redwood Stephens +1 more 2014-04-15
8673510 Systems and methods for maintaining hydrogen-selective membranes during periods of inactivity — 2014-03-18
8636828 Hydrogen purification membranes, components and fuel processing systems containing the same David J. Edlund, R. Todd Studebaker 2014-01-28
8257466 Hydrogen purification membranes, components and fuel processing systems containing the same David J. Edlund, R. Todd Studebaker 2012-09-04
8157900 Hydrogen-processing assemblies and hydrogen-producing systems and fuel cell systems including the same Vernon Wade Popham, R. Todd Studebaker, Kyle Taylor 2012-04-17
8057575 Hydrogen purification membranes, components and fuel processing systems containing the same David J. Edlund, R. Todd Studebaker 2011-11-15
7981172 Steam reforming fuel processor, burner assembly, and methods of operating the same David J. Edlund, Darrell J. Elliott, Alan E. Hayes, Curtiss Renn, Redwood Stephens +1 more 2011-07-19
7972420 Hydrogen-processing assemblies and hydrogen-producing systems and fuel cell systems including the same Vernon Wade Popham, R. Todd Studebaker, Kyle Taylor 2011-07-05
7939211 System and method for controlling the operation of a fuel processing system David J. Edlund, Thomas G. Herron 2011-05-10
7828864 Steam reforming fuel processor, burner assembly, and methods of operating the same David J. Edlund, Darrell J. Elliott, Alan E. Hayes, Curtiss Renn, Redwood Stephens +1 more 2010-11-09
7819955 Hydrogen purification membranes, components and fuel processing systems containing the same David J. Edlund, R. Todd Studebaker 2010-10-26
7789941 Hydrogen purification membranes, components and fuel processing systems containing the same David J. Edlund, R. Todd Studebaker 2010-09-07
7771882 System and method for controlling the operation of a fuel processing system David J. Edlund, Thomas G. Herron 2010-08-10
7682718 Fuel processor feedstock delivery system Anthony J. Dickman, David J. Edlund 2010-03-23
7485381 System and method for recovering thermal energy from a fuel processing system Anthony J. Dickman, David J. Edlund 2009-02-03
7410531 Hydrogen purification membranes, components and fuel processing systems containing the same David J. Edlund, R. Todd Studebaker 2008-08-12
7368195 System and method for early detection of contaminants in a fuel processing system David J. Edlund 2008-05-06
7368194 Fuel processor feedstock delivery system Anthony J. Dickman, David J. Edlund 2008-05-06
7208241 System and method for controlling the operation of a fuel processing system David J. Edlund, Thomas G. Herron 2007-04-24
7195663 Hydrogen purification membranes, components and fuel processing systems containing the same David J. Edlund, R. Todd Studebaker 2007-03-27
7101421 Hydrogen-selective metal membranes, membrane modules, purification assemblies and methods of forming the same David J. Edlund, R. Todd Studebaker 2006-09-05
7052530 Hydrogen purification membranes, components and fuel processing systems containing the same David J. Edlund, R. Todd Studebaker 2006-05-30

Nearby-Ranked Inventors

Alan Yu53
Dai Sasaki53
Ahmed E. Hassan53
Hwa Sun Lee53
Satoshi Ibe53
Masaki Numata53
Jeremy Travins53
Takuya Hashimoto53
Michael W. Petersen53