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] => 698196 [patent_doc_number] => 07067211 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-06-27 [patent_title] => 'Cogeneration system for a fuel cell' [patent_app_type] => utility [patent_app_number] => 10/005000 [patent_app_country] => US [patent_app_date] => 2001-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3480 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/067/07067211.pdf [firstpage_image] =>[orig_patent_app_number] => 10005000 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/005000
Cogeneration system for a fuel cell Dec 6, 2001 Issued
Array ( [id] => 6289675 [patent_doc_number] => 20020055026 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-05-09 [patent_title] => 'Cogeneration system for a fuel cell' [patent_app_type] => new [patent_app_number] => 10/005928 [patent_app_country] => US [patent_app_date] => 2001-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3483 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 16 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0055/20020055026.pdf [firstpage_image] =>[orig_patent_app_number] => 10005928 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/005928
Cogeneration system for a fuel cell Dec 6, 2001 Issued
Array ( [id] => 6208665 [patent_doc_number] => 20020071985 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-06-13 [patent_title] => 'Sealed battery' [patent_app_type] => new [patent_app_number] => 10/004803 [patent_app_country] => US [patent_app_date] => 2001-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3931 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0071/20020071985.pdf [firstpage_image] =>[orig_patent_app_number] => 10004803 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/004803
Sealed battery Dec 6, 2001 Abandoned
Array ( [id] => 7612995 [patent_doc_number] => 06902838 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-06-07 [patent_title] => 'Cogeneration system for a fuel cell' [patent_app_type] => utility [patent_app_number] => 10/004980 [patent_app_country] => US [patent_app_date] => 2001-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3480 [patent_no_of_claims] => 3 [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] => patents/06/902/06902838.pdf [firstpage_image] =>[orig_patent_app_number] => 10004980 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/004980
Cogeneration system for a fuel cell Dec 6, 2001 Issued
Array ( [id] => 1230772 [patent_doc_number] => 06692851 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-02-17 [patent_title] => 'Fuel cell stack monitoring and system control' [patent_app_type] => B2 [patent_app_number] => 10/011097 [patent_app_country] => US [patent_app_date] => 2001-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 7037 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/692/06692851.pdf [firstpage_image] =>[orig_patent_app_number] => 10011097 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/011097
Fuel cell stack monitoring and system control Dec 5, 2001 Issued
Array ( [id] => 1239089 [patent_doc_number] => 06686082 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-02-03 [patent_title] => 'Fuel cell stack' [patent_app_type] => B2 [patent_app_number] => 10/013405 [patent_app_country] => US [patent_app_date] => 2001-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4214 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/686/06686082.pdf [firstpage_image] =>[orig_patent_app_number] => 10013405 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/013405
Fuel cell stack Dec 5, 2001 Issued
Array ( [id] => 6668647 [patent_doc_number] => 20030113630 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-06-19 [patent_title] => 'Anodic zinc electrode for use in an alkaline based electrochemical cell' [patent_app_type] => new [patent_app_number] => 10/006793 [patent_app_country] => US [patent_app_date] => 2001-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4946 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0113/20030113630.pdf [firstpage_image] =>[orig_patent_app_number] => 10006793 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/006793
Anodic zinc electrode for use in an alkaline based electrochemical cell Dec 5, 2001 Abandoned
Array ( [id] => 1230802 [patent_doc_number] => 06692862 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-02-17 [patent_title] => 'Redox flow battery and method of operating it' [patent_app_type] => B1 [patent_app_number] => 09/980005 [patent_app_country] => US [patent_app_date] => 2001-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 4891 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 245 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/692/06692862.pdf [firstpage_image] =>[orig_patent_app_number] => 09980005 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/980005
Redox flow battery and method of operating it Nov 29, 2001 Issued
Array ( [id] => 6614886 [patent_doc_number] => 20020064711 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-05-30 [patent_title] => 'Method for making positive grids and lead-acid and batteries using such grids' [patent_app_type] => new [patent_app_number] => 09/998248 [patent_app_country] => US [patent_app_date] => 2001-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7411 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0064/20020064711.pdf [firstpage_image] =>[orig_patent_app_number] => 09998248 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/998248
Method for making positive grids and lead-acid and batteries using such grids Nov 29, 2001 Abandoned
Array ( [id] => 5985561 [patent_doc_number] => 20020098416 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-07-25 [patent_title] => 'Cathode active material for non-aqueous electrolyte secondary cell and process for producing the same' [patent_app_type] => new [patent_app_number] => 09/994903 [patent_app_country] => US [patent_app_date] => 2001-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6297 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0098/20020098416.pdf [firstpage_image] =>[orig_patent_app_number] => 09994903 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/994903
Cathode active material for non-aqueous electrolyte secondary cell and process for producing the same Nov 27, 2001 Issued
Array ( [id] => 411252 [patent_doc_number] => 07282281 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-10-16 [patent_title] => 'Method for recognition of a leak in a fuel cell' [patent_app_type] => utility [patent_app_number] => 10/433900 [patent_app_country] => US [patent_app_date] => 2001-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3637 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/282/07282281.pdf [firstpage_image] =>[orig_patent_app_number] => 10433900 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/433900
Method for recognition of a leak in a fuel cell Nov 26, 2001 Issued
Array ( [id] => 1161656 [patent_doc_number] => 06759164 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-07-06 [patent_title] => 'Use of heat-treated electrodes containing a polyamic acid-PVDF binder mixture' [patent_app_type] => B2 [patent_app_number] => 09/995202 [patent_app_country] => US [patent_app_date] => 2001-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5270 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/759/06759164.pdf [firstpage_image] =>[orig_patent_app_number] => 09995202 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/995202
Use of heat-treated electrodes containing a polyamic acid-PVDF binder mixture Nov 26, 2001 Issued
Array ( [id] => 542520 [patent_doc_number] => 07163762 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-01-16 [patent_title] => 'Polymer electrolyte battery and method of producing same' [patent_app_type] => utility [patent_app_number] => 10/181504 [patent_app_country] => US [patent_app_date] => 2001-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 17 [patent_no_of_words] => 8591 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/163/07163762.pdf [firstpage_image] =>[orig_patent_app_number] => 10181504 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/181504
Polymer electrolyte battery and method of producing same Nov 20, 2001 Issued
Array ( [id] => 1220050 [patent_doc_number] => 06703155 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-03-09 [patent_title] => 'Power tap device, fuel cell stack, and method of dividing a fuel cell stack' [patent_app_type] => B2 [patent_app_number] => 09/986806 [patent_app_country] => US [patent_app_date] => 2001-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 6308 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/703/06703155.pdf [firstpage_image] =>[orig_patent_app_number] => 09986806 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/986806
Power tap device, fuel cell stack, and method of dividing a fuel cell stack Nov 12, 2001 Issued
Array ( [id] => 7327777 [patent_doc_number] => 20040253503 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-12-16 [patent_title] => 'Press separator for fuel cell' [patent_app_type] => new [patent_app_number] => 10/169800 [patent_app_country] => US [patent_app_date] => 2002-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5631 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0253/20040253503.pdf [firstpage_image] =>[orig_patent_app_number] => 10169800 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/169800
Press separator for fuel cell made of stainless steel press formed in contiguous corrugations Nov 5, 2001 Issued
Array ( [id] => 1088640 [patent_doc_number] => 06828048 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-12-07 [patent_title] => 'Shut-down procedure for fuel cell fuel processing system' [patent_app_type] => B2 [patent_app_number] => 09/992591 [patent_app_country] => US [patent_app_date] => 2001-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4012 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/828/06828048.pdf [firstpage_image] =>[orig_patent_app_number] => 09992591 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/992591
Shut-down procedure for fuel cell fuel processing system Nov 5, 2001 Issued
Array ( [id] => 6073625 [patent_doc_number] => 20020078556 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-06-27 [patent_title] => 'Method for providing a cathode of a mixed phase metal oxide' [patent_app_type] => new [patent_app_number] => 10/000197 [patent_app_country] => US [patent_app_date] => 2001-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5857 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0078/20020078556.pdf [firstpage_image] =>[orig_patent_app_number] => 10000197 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/000197
Method for providing a cathode of a mixed phase metal oxide Nov 1, 2001 Issued
Array ( [id] => 5999583 [patent_doc_number] => 20020028376 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-03-07 [patent_title] => 'Battery device' [patent_app_type] => new [patent_app_number] => 09/984835 [patent_app_country] => US [patent_app_date] => 2001-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5463 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0028/20020028376.pdf [firstpage_image] =>[orig_patent_app_number] => 09984835 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/984835
Battery device Oct 30, 2001 Issued
10/018303 Polymer electrolyte fuel cell and its usage Oct 29, 2001 Abandoned
Array ( [id] => 5905487 [patent_doc_number] => 20020142223 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-10-03 [patent_title] => 'Electrochemical cell having a cathode off a mixed phase metal oxide and method of preparation' [patent_app_type] => new [patent_app_number] => 10/055687 [patent_app_country] => US [patent_app_date] => 2001-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5834 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0142/20020142223.pdf [firstpage_image] =>[orig_patent_app_number] => 10055687 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/055687
Electrochemical cell having a cathode of a mixed phase metal oxide and method of preparation Oct 25, 2001 Issued
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