Inventor · disambiguated record
William A. Pledger
Also filed as: PLEDGER WILLIAM A
53 granted patents·9 pending applications·3,848 citations·filing 1997–2024
99Inventor score
Top patents by PatentIndex Score
62 records- 0199US6537352B2Hydrogen purification membranes, components and fuel processing systems containing the sameIDATECH LLC·Filed 2001·Granted Mar 25, 2003·144 cites·76 claims
- 0299US6383670B1System and method for controlling the operation of a fuel processing systemIDATECH LLC·Filed 1999·Granted May 7, 2002·276 cites·98 claims
- 0399US6221117B1Hydrogen producing fuel processing systemIDATECH LLC·Filed 1999·Granted Apr 24, 2001·458 cites·69 claims
- 0498US11618676B2Systems and methods for increasing the hydrogen permeance of hydrogen-separation membranes in situH2 POWERTECH LLC·Filed 2020·Granted Apr 4, 2023·12 cites·19 claims
- 0598US8057575B2Hydrogen purification membranes, components and fuel processing systems containing the sameEDLUND DAVID J·Filed 2010·Granted Nov 15, 2011·25 cites·22 claims
- 0698US7195663B2Hydrogen purification membranes, components and fuel processing systems containing the sameIDATECH LLC·Filed 2006·Granted Mar 27, 2007·54 cites·27 claims
- 0798US6494937B1Hydrogen purification devices, components and fuel processing systems containing the sameIDATECH LLC·Filed 2001·Granted Dec 17, 2002·156 cites·94 claims
- 0898US6465118B1System and method for recovering thermal energy from a fuel processing systemIDATECH LLC·Filed 2000·Granted Oct 15, 2002·119 cites·39 claims
- 0998US6451464B1System and method for early detection of contaminants in a fuel processing systemIDATECH LLC·Filed 2000·Granted Sep 17, 2002·106 cites·68 claims
- 1098US6319306B1Hydrogen-selective metal membrane modules and method of forming the sameIDATECH LLC·Filed 2001·Granted Nov 20, 2001·194 cites·71 claims
- 1197US7939211B2System and method for controlling the operation of a fuel processing systemIDATECH LLC·Filed 2010·Granted May 10, 2011·23 cites·21 claims
- 1297US7410531B2Hydrogen purification membranes, components and fuel processing systems containing the sameIDATECH LLC·Filed 2007·Granted Aug 12, 2008·38 cites·22 claims
- 1397US7368195B2System and method for early detection of contaminants in a fuel processing systemIDATECH LLC·Filed 2006·Granted May 6, 2008·23 cites·34 claims
- 1497US6994927B2Integrated fuel cell systemIDATECH LLC·Filed 2005·Granted Feb 7, 2006·33 cites·20 claims
- 1597US6723156B2Hydrogen purification membranes, components and fuel processing systems containing the sameIDATECH LLC·Filed 2003·Granted Apr 20, 2004·89 cites·55 claims
- 1697US6376113B1Integrated fuel cell systemIDATECH LLC·Filed 1998·Granted Apr 23, 2002·188 cites·37 claims
- 1797US5997594ASteam reformer with internal hydrogen purificationNORTHWEST POWER SYS LLC·Filed 1997·Granted Dec 7, 1999·437 cites·37 claims
- 1896US7828864B2Steam reforming fuel processor, burner assembly, and methods of operating the sameIDATECH LLC·Filed 2008·Granted Nov 9, 2010·41 cites·23 claims
- 1996US7789941B2Hydrogen purification membranes, components and fuel processing systems containing the sameIDATECH LLC·Filed 2009·Granted Sep 7, 2010·28 cites·23 claims
- 2096US7771882B2System and method for controlling the operation of a fuel processing systemIDATECH LLC·Filed 2007·Granted Aug 10, 2010·27 cites·22 claims
- 2196US7485381B2System and method for recovering thermal energy from a fuel processing systemIDATECH LLC·Filed 2005·Granted Feb 3, 2009·24 cites·26 claims
- 2296US7368194B2Fuel processor feedstock delivery systemIDATECH LLC·Filed 2005·Granted May 6, 2008·30 cites·29 claims
- 2396US6890672B2Fuel processor feedstock delivery systemIDATECH LLC·Filed 2001·Granted May 10, 2005·78 cites·85 claims
- 2496US6869707B2Integrated fuel cell systemIDATECH LLC·Filed 2002·Granted Mar 22, 2005·66 cites·32 claims
- 2596US6719831B2Hydrogen purification membranes, components and fuel processing systems containing the sameIDATECH LLC·Filed 2003·Granted Apr 13, 2004·66 cites·64 claims
- 2696US6632270B2Hydrogen purification membranes, components and fuel processing systems containing the sameIDATECH LLC·Filed 2003·Granted Oct 14, 2003·69 cites·66 claims
- 2796US6569227B2Hydrogen purification devices, components and fuel processing systems containing the sameIDATECH LLC·Filed 2002·Granted May 27, 2003·78 cites·57 claims
- 2896US6547858B1Hydrogen-permeable metal membrane and hydrogen purification assemblies containing the sameIDATECH LLC·Filed 2000·Granted Apr 15, 2003·111 cites·24 claims
- 2996US6458189B1Hydrogen-selective metal membrane modules and method of forming the sameIDATECH LLC·Filed 2001·Granted Oct 1, 2002·106 cites·79 claims
- 3095US7981172B2Steam reforming fuel processor, burner assembly, and methods of operating the sameIDATECH LLC·Filed 2009·Granted Jul 19, 2011·25 cites·32 claims
- 3195US7819955B2Hydrogen purification membranes, components and fuel processing systems containing the sameIDATECH LLC·Filed 2008·Granted Oct 26, 2010·25 cites·20 claims
- 3295US7682718B2Fuel processor feedstock delivery systemIDATECH LLC·Filed 2008·Granted Mar 23, 2010·24 cites·20 claims
- 3395US7052530B2Hydrogen purification membranes, components and fuel processing systems containing the sameIDATECH LLC·Filed 2004·Granted May 30, 2006·54 cites·31 claims
- 3495US6824593B2Hydrogen purification membranes, components and fuel processing systems containing the sameIDATECH LLC·Filed 2003·Granted Nov 30, 2004·60 cites·70 claims
- 3595US6783741B2Fuel processing systemIDATECH LLC·Filed 2001·Granted Aug 31, 2004·82 cites·55 claims
- 3695US6596057B2Hydrogen-selective metal membranes, membrane modules, purification assemblies and methods of forming the sameIDATECH LLC·Filed 2002·Granted Jul 22, 2003·74 cites·49 claims
- 3794US6767389B2Hydrogen-selective metal membranes, membrane modules, purification assemblies and methods of forming the sameIDATECH LLC·Filed 2003·Granted Jul 27, 2004·68 cites·32 claims
- 3894US6719832B2Hydrogen purification devices, components and fuel processing systems containing the sameIDATECH LLC·Filed 2003·Granted Apr 13, 2004·61 cites·44 claims
- 3993US6811908B2System and method for controlling the operation of a fuel processing systemIDATECH LLC·Filed 2002·Granted Nov 2, 2004·43 cites·42 claims
- 4092US7208241B2System and method for controlling the operation of a fuel processing systemIDATECH LLC·Filed 2004·Granted Apr 24, 2007·39 cites·43 claims
- 4192US6878474B2System and method for recovering thermal energy from a fuel processing systemIDATECH LLC·Filed 2002·Granted Apr 12, 2005·38 cites·59 claims
- 4292US6818335B2System and method for early detection of contaminants in a fuel processing systemIDATECH LLC·Filed 2002·Granted Nov 16, 2004·33 cites·40 claims
- 4391US7972420B2Hydrogen-processing assemblies and hydrogen-producing systems and fuel cell systems including the sameIDATECH LLC·Filed 2007·Granted Jul 5, 2011·11 cites·44 claims
- 4490US7008708B2System and method for early detection of contaminants in a fuel processing systemIDATECH LLC·Filed 2004·Granted Mar 7, 2006·26 cites·43 claims
- 4588US8673510B2Systems and methods for maintaining hydrogen-selective membranes during periods of inactivityPLEDGER WILLIAM A·Filed 2010·Granted Mar 18, 2014·11 cites·33 claims
- 4688US6953497B2Hydrogen purification devices, components and fuel processing systems containing the sameIDATECH LLC·Filed 2004·Granted Oct 11, 2005·35 cites·45 claims
- 4785US12275638B2Systems and methods for increasing the hydrogen permeance of hydrogen separation membranes in situH2 POWERTECH LLC·Filed 2024·Granted Apr 15, 2025·0 cites·24 claims
- 4885US8157900B2Hydrogen-processing assemblies and hydrogen-producing systems and fuel cell systems including the samePLEDGER WILLIAM A·Filed 2011·Granted Apr 17, 2012·4 cites·15 claims
- 4985US7101421B2Hydrogen-selective metal membranes, membrane modules, purification assemblies and methods of forming the sameIDATECH LLC·Filed 2004·Granted Sep 5, 2006·31 cites·33 claims
- 5082US11999621B2Systems and methods for increasing the hydrogen permeance of hydrogen-separation membranes in situH2 POWERTECH LLC·Filed 2023·Granted Jun 4, 2024·0 cites·22 claims
Showing the top 50 of 62 patent records by PatentIndex Score.
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