Search

David M. Mitchell

Examiner (ID: 3480)

Most Active Art Unit
3106
Art Unit(s)
3612, 3104, 3102, 3106
Total Applications
820
Issued Applications
743
Pending Applications
2
Abandoned Applications
75

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 4473856 [patent_doc_number] => 07867659 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-01-11 [patent_title] => 'Humidification system for fuel cell' [patent_app_type] => utility [patent_app_number] => 12/001601 [patent_app_country] => US [patent_app_date] => 2007-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4078 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/867/07867659.pdf [firstpage_image] =>[orig_patent_app_number] => 12001601 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/001601
Humidification system for fuel cell Dec 10, 2007 Issued
Array ( [id] => 4825464 [patent_doc_number] => 20080124612 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-05-29 [patent_title] => 'SEPARATOR FOR FLAT-TYPE POLYELECTROLYTE FUEL CELL AND \nPOLYELECTROLYTE FUEL CELL EMPLOYING THAT SEPARATOR' [patent_app_type] => utility [patent_app_number] => 11/948212 [patent_app_country] => US [patent_app_date] => 2007-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 9860 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0124/20080124612.pdf [firstpage_image] =>[orig_patent_app_number] => 11948212 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/948212
Separator for flat-type polyelectrolyte fuel cell and polyelectrolyte fuel cell employing that separator Nov 29, 2007 Issued
Array ( [id] => 4532109 [patent_doc_number] => 07871733 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-01-18 [patent_title] => 'Fuel cells having a water guide element' [patent_app_type] => utility [patent_app_number] => 11/948300 [patent_app_country] => US [patent_app_date] => 2007-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 23 [patent_no_of_words] => 21994 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 241 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/871/07871733.pdf [firstpage_image] =>[orig_patent_app_number] => 11948300 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/948300
Fuel cells having a water guide element Nov 29, 2007 Issued
Array ( [id] => 8163822 [patent_doc_number] => 08173304 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-05-08 [patent_title] => 'Electric current collector, electrode and charge accumulating device' [patent_app_type] => utility [patent_app_number] => 11/986701 [patent_app_country] => US [patent_app_date] => 2007-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 6840 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/173/08173304.pdf [firstpage_image] =>[orig_patent_app_number] => 11986701 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/986701
Electric current collector, electrode and charge accumulating device Nov 25, 2007 Issued
Array ( [id] => 4921806 [patent_doc_number] => 20080070121 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-03-20 [patent_title] => 'LITHIUM BASED ELECTROCHEMICAL CELL SYSTEMS' [patent_app_type] => utility [patent_app_number] => 11/943462 [patent_app_country] => US [patent_app_date] => 2007-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1740 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0070/20080070121.pdf [firstpage_image] =>[orig_patent_app_number] => 11943462 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/943462
Lithium based electrochemical cell systems having a degassing agent Nov 19, 2007 Issued
Array ( [id] => 4764918 [patent_doc_number] => 20080176129 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-07-24 [patent_title] => 'Nanocomposite for fuel cell, method of preparing the nanocomposite, and fuel cell including the nanocomposite' [patent_app_type] => utility [patent_app_number] => 11/985531 [patent_app_country] => US [patent_app_date] => 2007-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 7438 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0176/20080176129.pdf [firstpage_image] =>[orig_patent_app_number] => 11985531 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/985531
Nanocomposite for fuel cell, method of preparing the nanocomposite, and fuel cell including the nanocomposite Nov 13, 2007 Issued
Array ( [id] => 4739618 [patent_doc_number] => 20080233271 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-09-25 [patent_title] => 'Layered Structures And Method For Producing The Same' [patent_app_type] => utility [patent_app_number] => 11/937306 [patent_app_country] => US [patent_app_date] => 2007-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 6980 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0233/20080233271.pdf [firstpage_image] =>[orig_patent_app_number] => 11937306 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/937306
Layered Structures And Method For Producing The Same Nov 7, 2007 Abandoned
Array ( [id] => 4771744 [patent_doc_number] => 20080057402 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-03-06 [patent_title] => 'NON-AQUEOUS ELECTROLYTIC SOLUTION AND LITHIUM BATTERY' [patent_app_type] => utility [patent_app_number] => 11/927102 [patent_app_country] => US [patent_app_date] => 2007-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6993 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0057/20080057402.pdf [firstpage_image] =>[orig_patent_app_number] => 11927102 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/927102
NON-AQUEOUS ELECTROLYTIC SOLUTION AND LITHIUM BATTERY Oct 28, 2007 Abandoned
Array ( [id] => 4893240 [patent_doc_number] => 20080102338 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-05-01 [patent_title] => 'ELECTRODE FOR FUEL CELL, MEMBRANE-ELECTRODE ASSEMBLY FOR FUEL CELL INCLUDING SAME, AND FUEL CELL SYSTEM INCLUDING THE SAME' [patent_app_type] => utility [patent_app_number] => 11/923601 [patent_app_country] => US [patent_app_date] => 2007-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 6035 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0102/20080102338.pdf [firstpage_image] =>[orig_patent_app_number] => 11923601 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/923601
Electrode including a heteropoly acid additive for fuel cell, membrane-electrode assembly for fuel cell including same, and fuel cell system including the same Oct 23, 2007 Issued
Array ( [id] => 4745549 [patent_doc_number] => 20080090151 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-04-17 [patent_title] => 'POSITIVE ELECTRODE ACTIVE MATTER AND SECONDARY BATTERY USING THIS' [patent_app_type] => utility [patent_app_number] => 11/872609 [patent_app_country] => US [patent_app_date] => 2007-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 10677 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0090/20080090151.pdf [firstpage_image] =>[orig_patent_app_number] => 11872609 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/872609
Positive electrode active matter and secondary battery using this Oct 14, 2007 Issued
Array ( [id] => 5441243 [patent_doc_number] => 20090092882 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-04-09 [patent_title] => 'FUEL CELL WITH FLOW-THROUGH POROUS ELECTRODES' [patent_app_type] => utility [patent_app_number] => 11/869277 [patent_app_country] => US [patent_app_date] => 2007-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 10723 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0092/20090092882.pdf [firstpage_image] =>[orig_patent_app_number] => 11869277 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/869277
Fuel cell with flow-through porous electrodes Oct 8, 2007 Issued
Array ( [id] => 4555193 [patent_doc_number] => 07838145 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-11-23 [patent_title] => 'Battery part' [patent_app_type] => utility [patent_app_number] => 11/973482 [patent_app_country] => US [patent_app_date] => 2007-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 14 [patent_no_of_words] => 5108 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/838/07838145.pdf [firstpage_image] =>[orig_patent_app_number] => 11973482 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/973482
Battery part Oct 8, 2007 Issued
Array ( [id] => 6605590 [patent_doc_number] => 20100098995 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-04-22 [patent_title] => 'Direct methanol fuel cell system and portable electronic device' [patent_app_type] => utility [patent_app_number] => 12/311702 [patent_app_country] => US [patent_app_date] => 2007-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 11687 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0098/20100098995.pdf [firstpage_image] =>[orig_patent_app_number] => 12311702 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/311702
Direct methanol fuel cell system and portable electronic device Oct 8, 2007 Abandoned
Array ( [id] => 4692663 [patent_doc_number] => 20080085434 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-04-10 [patent_title] => 'Integrated fuel cell stack and catalytic combustor apparatus, assembly, and method of use' [patent_app_type] => utility [patent_app_number] => 11/906818 [patent_app_country] => US [patent_app_date] => 2007-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5010 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0085/20080085434.pdf [firstpage_image] =>[orig_patent_app_number] => 11906818 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/906818
Fuel cell system and a method of generating electricity Oct 2, 2007 Issued
Array ( [id] => 11681638 [patent_doc_number] => 09680175 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-06-13 [patent_title] => 'Integrated fuel line to support CPOX and SMR reactions in SOFC systems' [patent_app_type] => utility [patent_app_number] => 11/905477 [patent_app_country] => US [patent_app_date] => 2007-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 5290 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 11905477 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/905477
Integrated fuel line to support CPOX and SMR reactions in SOFC systems Sep 30, 2007 Issued
Array ( [id] => 6582254 [patent_doc_number] => 20100047650 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-02-25 [patent_title] => 'SEPARATOR FOR FUEL CELL, SINGLE CELL UNIT FOR FUEL CELL, SHORT STACK UNIT FOR FUEL CELL, AND PRODUCTION METHODS OF SEPARATOR FOR FUEL CELL AND CELL UNIT (SINGLE CELL UNIT OR SHORT STACK UNIT) FOR FUEL CELL' [patent_app_type] => utility [patent_app_number] => 12/442701 [patent_app_country] => US [patent_app_date] => 2007-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 24 [patent_no_of_words] => 20289 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0047/20100047650.pdf [firstpage_image] =>[orig_patent_app_number] => 12442701 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/442701
Separator for fuel cell having electrically conducting flow path part Sep 26, 2007 Issued
Array ( [id] => 8363419 [patent_doc_number] => 08252483 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-08-28 [patent_title] => 'Fuel cell separator having a corrugated electrically conducting flow path' [patent_app_type] => utility [patent_app_number] => 12/442700 [patent_app_country] => US [patent_app_date] => 2007-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 13 [patent_no_of_words] => 13778 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 206 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12442700 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/442700
Fuel cell separator having a corrugated electrically conducting flow path Sep 26, 2007 Issued
Array ( [id] => 4799230 [patent_doc_number] => 20080010816 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-01-17 [patent_title] => 'HEADSPACE INSULATOR FOR ELECTROCHEMICAL CELLS' [patent_app_type] => utility [patent_app_number] => 11/861344 [patent_app_country] => US [patent_app_date] => 2007-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5290 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0010/20080010816.pdf [firstpage_image] =>[orig_patent_app_number] => 11861344 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/861344
HEADSPACE INSULATOR FOR ELECTROCHEMICAL CELLS Sep 25, 2007 Abandoned
Array ( [id] => 4797345 [patent_doc_number] => 20080008931 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-01-10 [patent_title] => 'HEADSPACE INSULATOR FOR ELECTROCHEMICAL CELLS' [patent_app_type] => utility [patent_app_number] => 11/861341 [patent_app_country] => US [patent_app_date] => 2007-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5290 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0008/20080008931.pdf [firstpage_image] =>[orig_patent_app_number] => 11861341 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/861341
Battery having improved headspace insulator Sep 25, 2007 Issued
Array ( [id] => 4608532 [patent_doc_number] => 07993787 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-08-09 [patent_title] => 'Method for fast and reliable fuel cell system start-ups' [patent_app_type] => utility [patent_app_number] => 11/859300 [patent_app_country] => US [patent_app_date] => 2007-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5092 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/993/07993787.pdf [firstpage_image] =>[orig_patent_app_number] => 11859300 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/859300
Method for fast and reliable fuel cell system start-ups Sep 20, 2007 Issued
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