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] => 9254318 [patent_doc_number] => 08617729 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-12-31 [patent_title] => 'Battery pack' [patent_app_type] => utility [patent_app_number] => 12/219001 [patent_app_country] => US [patent_app_date] => 2008-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 4128 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12219001 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/219001
Battery pack Jul 13, 2008 Issued
Array ( [id] => 4556972 [patent_doc_number] => 07842427 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-11-30 [patent_title] => 'Supersonic vapor compression and heat rejection cycle' [patent_app_type] => utility [patent_app_number] => 12/170090 [patent_app_country] => US [patent_app_date] => 2008-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 8718 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/842/07842427.pdf [firstpage_image] =>[orig_patent_app_number] => 12170090 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/170090
Supersonic vapor compression and heat rejection cycle Jul 8, 2008 Issued
Array ( [id] => 8188671 [patent_doc_number] => 08182945 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-05-22 [patent_title] => 'Current collector comprising plurality of projections, electrode, and non-aqueous electrolyte secondary battery comprising the same' [patent_app_type] => utility [patent_app_number] => 12/167600 [patent_app_country] => US [patent_app_date] => 2008-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 15137 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/182/08182945.pdf [firstpage_image] =>[orig_patent_app_number] => 12167600 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/167600
Current collector comprising plurality of projections, electrode, and non-aqueous electrolyte secondary battery comprising the same Jul 2, 2008 Issued
Array ( [id] => 6523889 [patent_doc_number] => 20100203383 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-08-12 [patent_title] => 'ION CONDUCTOR HAVING A GARNET STRUCTURE' [patent_app_type] => utility [patent_app_number] => 12/667400 [patent_app_country] => US [patent_app_date] => 2008-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5533 [patent_no_of_claims] => 22 [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/A1/0203/20100203383.pdf [firstpage_image] =>[orig_patent_app_number] => 12667400 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/667400
Solid ion conductor which has a garnet-like crystal structure and has the stoichiometric composition L7+XAXG3−XZr2O12 Jul 1, 2008 Issued
Array ( [id] => 4494550 [patent_doc_number] => 07947411 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2011-05-24 [patent_title] => 'Membrane and electrode assembly and method of producing the same, and polymer electrolyte membrane fuel cell' [patent_app_type] => utility [patent_app_number] => 12/666900 [patent_app_country] => US [patent_app_date] => 2008-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 13940 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/947/07947411.pdf [firstpage_image] =>[orig_patent_app_number] => 12666900 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/666900
Membrane and electrode assembly and method of producing the same, and polymer electrolyte membrane fuel cell Jun 24, 2008 Issued
Array ( [id] => 4660863 [patent_doc_number] => 20080251770 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-10-16 [patent_title] => 'ELECTRICALLY CONDUCTIVE ELEMENT TREATED FOR USE IN A FUEL CELL' [patent_app_type] => utility [patent_app_number] => 12/143302 [patent_app_country] => US [patent_app_date] => 2008-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 9398 [patent_no_of_claims] => 13 [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/A1/0251/20080251770.pdf [firstpage_image] =>[orig_patent_app_number] => 12143302 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/143302
Electrically conductive element treated for use in a fuel cell Jun 19, 2008 Issued
Array ( [id] => 4949269 [patent_doc_number] => 20080305395 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-12-11 [patent_title] => 'ANODE AND SECONDARY BATTERY' [patent_app_type] => utility [patent_app_number] => 12/133000 [patent_app_country] => US [patent_app_date] => 2008-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 22997 [patent_no_of_claims] => 48 [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/A1/0305/20080305395.pdf [firstpage_image] =>[orig_patent_app_number] => 12133000 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/133000
ANODE AND SECONDARY BATTERY Jun 3, 2008 Abandoned
Array ( [id] => 4459363 [patent_doc_number] => 07879500 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-02-01 [patent_title] => 'Regenerative oxidizer assembly for use in PEM fuel cell applications' [patent_app_type] => utility [patent_app_number] => 12/131483 [patent_app_country] => US [patent_app_date] => 2008-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 5939 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 331 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/879/07879500.pdf [firstpage_image] =>[orig_patent_app_number] => 12131483 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/131483
Regenerative oxidizer assembly for use in PEM fuel cell applications Jun 1, 2008 Issued
Array ( [id] => 6303883 [patent_doc_number] => 20100068581 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-03-18 [patent_title] => 'MOBILE UNIT HAVING FUEL CELL' [patent_app_type] => utility [patent_app_number] => 12/514802 [patent_app_country] => US [patent_app_date] => 2008-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5860 [patent_no_of_claims] => 26 [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/A1/0068/20100068581.pdf [firstpage_image] =>[orig_patent_app_number] => 12514802 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/514802
Fuel cell mounted on a mobile unit May 20, 2008 Issued
Array ( [id] => 7522838 [patent_doc_number] => 08025994 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-09-27 [patent_title] => 'Electronic appliance' [patent_app_type] => utility [patent_app_number] => 12/123102 [patent_app_country] => US [patent_app_date] => 2008-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 20 [patent_no_of_words] => 7671 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 287 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/025/08025994.pdf [firstpage_image] =>[orig_patent_app_number] => 12123102 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/123102
Electronic appliance May 18, 2008 Issued
Array ( [id] => 6229347 [patent_doc_number] => 20100183905 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-07-22 [patent_title] => 'RECHARGEABLE BATTERY' [patent_app_type] => utility [patent_app_number] => 12/668600 [patent_app_country] => US [patent_app_date] => 2008-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3134 [patent_no_of_claims] => 21 [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/A1/0183/20100183905.pdf [firstpage_image] =>[orig_patent_app_number] => 12668600 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/668600
Rechargeable battery for hand-guided electromechanical tools May 15, 2008 Issued
Array ( [id] => 4676004 [patent_doc_number] => 20080213634 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-09-04 [patent_title] => 'OXYGEN ENRICHMENT DEVICE COMPRISING AT LEAST TWO MOLECULAR SIEVES FOR SUPPLYING A FUEL CELL SYSTEM' [patent_app_type] => utility [patent_app_number] => 12/120001 [patent_app_country] => US [patent_app_date] => 2008-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2763 [patent_no_of_claims] => 9 [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/A1/0213/20080213634.pdf [firstpage_image] =>[orig_patent_app_number] => 12120001 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/120001
Oxygen enrichment device comprising at least two molecular sieves for supplying a fuel cell system May 12, 2008 Issued
Array ( [id] => 4839711 [patent_doc_number] => 20080280197 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-11-13 [patent_title] => 'SPIRALLY WOUND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY' [patent_app_type] => utility [patent_app_number] => 12/114400 [patent_app_country] => US [patent_app_date] => 2008-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 8116 [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/A1/0280/20080280197.pdf [firstpage_image] =>[orig_patent_app_number] => 12114400 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/114400
Spirally wound non-aqueous electrolyte secondary battery having insulating members May 1, 2008 Issued
Array ( [id] => 8527554 [patent_doc_number] => 08304123 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-11-06 [patent_title] => 'Ambient pressure fuel cell system employing partial air humidification' [patent_app_type] => utility [patent_app_number] => 12/110767 [patent_app_country] => US [patent_app_date] => 2008-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4202 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 246 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12110767 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/110767
Ambient pressure fuel cell system employing partial air humidification Apr 27, 2008 Issued
Array ( [id] => 5558050 [patent_doc_number] => 20090269627 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-10-29 [patent_title] => 'HYDROGEN-IMMERSED FUEL CELL STACK AND RELATED OPERATION' [patent_app_type] => utility [patent_app_number] => 12/108000 [patent_app_country] => US [patent_app_date] => 2008-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7262 [patent_no_of_claims] => 47 [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/A1/0269/20090269627.pdf [firstpage_image] =>[orig_patent_app_number] => 12108000 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/108000
Hydrogen chamber enclosed fuel cell stack and related fuel cell shutdown operation Apr 22, 2008 Issued
Array ( [id] => 4954775 [patent_doc_number] => 20080187799 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-08-07 [patent_title] => 'Flexible, high-efficiency fuel reforming in a solid oxide fuel cell system' [patent_app_type] => utility [patent_app_number] => 12/080589 [patent_app_country] => US [patent_app_date] => 2008-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2410 [patent_no_of_claims] => 10 [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/A1/0187/20080187799.pdf [firstpage_image] =>[orig_patent_app_number] => 12080589 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/080589
Solid oxide fuel cell stack assembly and method for fueling Apr 3, 2008 Issued
Array ( [id] => 4719140 [patent_doc_number] => 20080241662 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-10-02 [patent_title] => 'Separator for valve regulated lead-acid battery and valve regulated lead-acid battery' [patent_app_type] => utility [patent_app_number] => 12/078102 [patent_app_country] => US [patent_app_date] => 2008-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6425 [patent_no_of_claims] => 2 [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/A1/0241/20080241662.pdf [firstpage_image] =>[orig_patent_app_number] => 12078102 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/078102
Separator for valve regulated lead-acid battery and valve regulated lead-acid battery Mar 26, 2008 Issued
Array ( [id] => 6483763 [patent_doc_number] => 20100092827 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-04-15 [patent_title] => 'DIRECT METHANOL FUEL CELL SYSTEM USING SOLID METHANOL, PORTABLE ELECTRONIC DEVICE USING SAME, AND FUEL CARTRIDGE FOR DIRECT METHANOL FUEL CELL SYSTEM' [patent_app_type] => utility [patent_app_number] => 12/450400 [patent_app_country] => US [patent_app_date] => 2008-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 6678 [patent_no_of_claims] => 9 [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/A1/0092/20100092827.pdf [firstpage_image] =>[orig_patent_app_number] => 12450400 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/450400
Direct methanol fuel cell system using solid methanol, portable electronic device using same, and fuel cartridge for direct methanol fuel cell system Mar 24, 2008 Issued
Array ( [id] => 5403798 [patent_doc_number] => 20090239112 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-09-24 [patent_title] => 'FUEL CELL ASSEMBLIES WITH INTEGRATED REACTANT-CONDITIONING HEAT EXCHANGERS' [patent_app_type] => utility [patent_app_number] => 12/051402 [patent_app_country] => US [patent_app_date] => 2008-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 10832 [patent_no_of_claims] => 15 [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/A1/0239/20090239112.pdf [firstpage_image] =>[orig_patent_app_number] => 12051402 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/051402
Fuel cell assemblies with integrated reactant-conditioning heat exchangers Mar 18, 2008 Issued
Array ( [id] => 8445558 [patent_doc_number] => 08287605 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-10-16 [patent_title] => 'Method of making cathode' [patent_app_type] => utility [patent_app_number] => 12/048628 [patent_app_country] => US [patent_app_date] => 2008-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 4939 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12048628 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/048628
Method of making cathode Mar 13, 2008 Issued
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