Inventor
PLEDGER WILLIAM A
US53 patents
⚠️ This page may combine multiple inventors who share the name “PLEDGER WILLIAM A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IDATECH LLC
43 patentsUS6723156B2Apr 20, 2004
Hydrogen purification membranes, components and fuel processing systems containing the same
IDATECH LLC89 citations99
US6537352B2Mar 25, 2003
Hydrogen purification membranes, components and fuel processing systems containing the same
IDATECH LLC144 citations99
US6494937B1Dec 17, 2002
Hydrogen purification devices, components and fuel processing systems containing the same
IDATECH LLC156 citations99
US6465118B1Oct 15, 2002
System and method for recovering thermal energy from a fuel processing system
IDATECH LLC119 citations99
US6451464B1Sep 17, 2002
System and method for early detection of contaminants in a fuel processing system
IDATECH LLC106 citations99
US6383670B1May 7, 2002
System and method for controlling the operation of a fuel processing system
IDATECH LLC276 citations99
US6376113B1Apr 23, 2002
Integrated fuel cell system
IDATECH LLC188 citations99
US6221117B1Apr 24, 2001
Hydrogen producing fuel processing system
IDATECH LLC458 citations99
US6890672B2May 10, 2005
Fuel processor feedstock delivery system
IDATECH LLC78 citations98
US6783741B2Aug 31, 2004
Fuel processing system
IDATECH LLC82 citations98
US6569227B2May 27, 2003
Hydrogen purification devices, components and fuel processing systems containing the same
IDATECH LLC78 citations98
US6319306B1Nov 20, 2001
Hydrogen-selective metal membrane modules and method of forming the same
IDATECH LLC194 citations98
US6547858B1Apr 15, 2003
Hydrogen-permeable metal membrane and hydrogen purification assemblies containing the same
IDATECH LLC111 citations97
US6458189B1Oct 1, 2002
Hydrogen-selective metal membrane modules and method of forming the same
IDATECH LLC106 citations97
US7789941B2Sep 7, 2010
Hydrogen purification membranes, components and fuel processing systems containing the same
IDATECH LLC28 citations96
US7410531B2Aug 12, 2008
Hydrogen purification membranes, components and fuel processing systems containing the same
IDATECH LLC38 citations96
US7208241B2Apr 24, 2007
System and method for controlling the operation of a fuel processing system
IDATECH LLC39 citations96
US7195663B2Mar 27, 2007
Hydrogen purification membranes, components and fuel processing systems containing the same
IDATECH LLC54 citations96
US7052530B2May 30, 2006
Hydrogen purification membranes, components and fuel processing systems containing the same
IDATECH LLC54 citations96
US6869707B2Mar 22, 2005
Integrated fuel cell system
IDATECH LLC66 citations96
US6824593B2Nov 30, 2004
Hydrogen purification membranes, components and fuel processing systems containing the same
IDATECH LLC60 citations96
US6811908B2Nov 2, 2004
System and method for controlling the operation of a fuel processing system
IDATECH LLC43 citations96
US6767389B2Jul 27, 2004
Hydrogen-selective metal membranes, membrane modules, purification assemblies and methods of forming the same
IDATECH LLC68 citations96
US6719831B2Apr 13, 2004
Hydrogen purification membranes, components and fuel processing systems containing the same
IDATECH LLC66 citations96
US6719832B2Apr 13, 2004
Hydrogen purification devices, components and fuel processing systems containing the same
IDATECH LLC61 citations96
US6632270B2Oct 14, 2003
Hydrogen purification membranes, components and fuel processing systems containing the same
IDATECH LLC69 citations96
US6596057B2Jul 22, 2003
Hydrogen-selective metal membranes, membrane modules, purification assemblies and methods of forming the same
IDATECH LLC74 citations96
US7828864B2Nov 9, 2010
Steam reforming fuel processor, burner assembly, and methods of operating the same
IDATECH LLC41 citations94
US7819955B2Oct 26, 2010
Hydrogen purification membranes, components and fuel processing systems containing the same
IDATECH LLC25 citations93
US7368195B2May 6, 2008
System and method for early detection of contaminants in a fuel processing system
IDATECH LLC23 citations93
US7101421B2Sep 5, 2006
Hydrogen-selective metal membranes, membrane modules, purification assemblies and methods of forming the same
IDATECH LLC31 citations93
US7008708B2Mar 7, 2006
System and method for early detection of contaminants in a fuel processing system
IDATECH LLC26 citations93
US6994927B2Feb 7, 2006
Integrated fuel cell system
IDATECH LLC33 citations93
US6818335B2Nov 16, 2004
System and method for early detection of contaminants in a fuel processing system
IDATECH LLC33 citations93
US7939211B2May 10, 2011
System and method for controlling the operation of a fuel processing system
IDATECH LLC23 citations92
US7771882B2Aug 10, 2010
System and method for controlling the operation of a fuel processing system
IDATECH LLC27 citations92
US7682718B2Mar 23, 2010
Fuel processor feedstock delivery system
IDATECH LLC24 citations92
US7485381B2Feb 3, 2009
System and method for recovering thermal energy from a fuel processing system
IDATECH LLC24 citations92
US7368194B2May 6, 2008
Fuel processor feedstock delivery system
IDATECH LLC30 citations92
US6953497B2Oct 11, 2005
Hydrogen purification devices, components and fuel processing systems containing the same
IDATECH LLC35 citations92
US6878474B2Apr 12, 2005
System and method for recovering thermal energy from a fuel processing system
IDATECH LLC38 citations92
US7981172B2Jul 19, 2011
Steam reforming fuel processor, burner assembly, and methods of operating the same
IDATECH LLC25 citations91
US7972420B2Jul 5, 2011
Hydrogen-processing assemblies and hydrogen-producing systems and fuel cell systems including the same
IDATECH LLC11 citations84
H2 POWERTECH LLC
3 patentsUS11618676B2Apr 4, 2023
Systems and methods for increasing the hydrogen permeance of hydrogen-separation membranes in situ
H2 POWERTECH LLC12 citations85
US12275638B2Apr 15, 2025
Systems and methods for increasing the hydrogen permeance of hydrogen separation membranes in situ
H2 POWERTECH LLC0 citations62
US11999621B2Jun 4, 2024
Systems and methods for increasing the hydrogen permeance of hydrogen-separation membranes in situ
H2 POWERTECH LLC0 citations62
EDLUND DAVID J
2 patentsNORTHWEST POWER SYS LLC
1 patentPLEDGER WILLIAM A
1 patentShowing the top 50 of 53 patents by PatentIndex Score.