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] => 975262 [patent_doc_number] => 06933070 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-08-23 [patent_title] => 'Polymer electrolyte fuel cell and conductive separator plate thereof' [patent_app_type] => utility [patent_app_number] => 10/238904 [patent_app_country] => US [patent_app_date] => 2002-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 4796 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/933/06933070.pdf [firstpage_image] =>[orig_patent_app_number] => 10238904 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/238904
Polymer electrolyte fuel cell and conductive separator plate thereof Sep 10, 2002 Issued
Array ( [id] => 6706085 [patent_doc_number] => 20030152819 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-08-14 [patent_title] => 'Polymer electrolyte fuel cell' [patent_app_type] => new [patent_app_number] => 10/238903 [patent_app_country] => US [patent_app_date] => 2002-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 15737 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0152/20030152819.pdf [firstpage_image] =>[orig_patent_app_number] => 10238903 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/238903
Polymer electrolyte fuel cell Sep 10, 2002 Issued
Array ( [id] => 7347251 [patent_doc_number] => 20040248008 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-12-09 [patent_title] => 'Production method and production device for alkaline battery-use gel-form cathode' [patent_app_type] => new [patent_app_number] => 10/489713 [patent_app_country] => US [patent_app_date] => 2004-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4151 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0248/20040248008.pdf [firstpage_image] =>[orig_patent_app_number] => 10489713 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/489713
Method of producing gel negative electrode for alkaline battery and apparatus for producing the same Sep 8, 2002 Issued
Array ( [id] => 7350803 [patent_doc_number] => 20040048146 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-03-11 [patent_title] => 'Electrochemical cells and systems' [patent_app_type] => new [patent_app_number] => 10/236106 [patent_app_country] => US [patent_app_date] => 2002-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 7754 [patent_no_of_claims] => 79 [patent_no_of_ind_claims] => 14 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0048/20040048146.pdf [firstpage_image] =>[orig_patent_app_number] => 10236106 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/236106
Electrochemical cells and systems Sep 5, 2002 Abandoned
Array ( [id] => 7350646 [patent_doc_number] => 20040048113 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-03-11 [patent_title] => 'Method for detecting electrical defects in membrane electrode assemblies' [patent_app_type] => new [patent_app_number] => 10/236804 [patent_app_country] => US [patent_app_date] => 2002-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5672 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0048/20040048113.pdf [firstpage_image] =>[orig_patent_app_number] => 10236804 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/236804
Method for detecting electrical defects in membrane electrode assemblies Sep 5, 2002 Issued
Array ( [id] => 644885 [patent_doc_number] => 07118825 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-10-10 [patent_title] => 'Conformal power supplies' [patent_app_type] => utility [patent_app_number] => 10/236005 [patent_app_country] => US [patent_app_date] => 2002-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 14 [patent_no_of_words] => 6686 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/118/07118825.pdf [firstpage_image] =>[orig_patent_app_number] => 10236005 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/236005
Conformal power supplies Sep 4, 2002 Issued
Array ( [id] => 7269719 [patent_doc_number] => 20040058237 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-03-25 [patent_title] => 'Method for manufacturing electrochemical device' [patent_app_type] => new [patent_app_number] => 10/432500 [patent_app_country] => US [patent_app_date] => 2003-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 17859 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0058/20040058237.pdf [firstpage_image] =>[orig_patent_app_number] => 10432500 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/432500
Method for preparing electrochemical device with a layer structure Sep 1, 2002 Issued
Array ( [id] => 7134120 [patent_doc_number] => 20040043286 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-03-04 [patent_title] => 'Seal for an electrochemical cell' [patent_app_type] => new [patent_app_number] => 10/229406 [patent_app_country] => US [patent_app_date] => 2002-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4210 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 230 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0043/20040043286.pdf [firstpage_image] =>[orig_patent_app_number] => 10229406 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/229406
Seal for an electrochemical cell Aug 27, 2002 Abandoned
Array ( [id] => 6688192 [patent_doc_number] => 20030031917 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-02-13 [patent_title] => 'Gas diffusive electrode, electroconductive ion conductor, their manufacturing method, and electrochemical device' [patent_app_type] => new [patent_app_number] => 10/220206 [patent_app_country] => US [patent_app_date] => 2002-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7298 [patent_no_of_claims] => 65 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 27 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0031/20030031917.pdf [firstpage_image] =>[orig_patent_app_number] => 10220206 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/220206
Gas diffusive electrode, electroconductive ion conductor, their manufacturing method, and electrochemical device Aug 27, 2002 Abandoned
Array ( [id] => 6755592 [patent_doc_number] => 20030003369 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-01-02 [patent_title] => 'High performance lithium or lithium ion cell' [patent_app_type] => new [patent_app_number] => 10/223963 [patent_app_country] => US [patent_app_date] => 2002-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 9531 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0003/20030003369.pdf [firstpage_image] =>[orig_patent_app_number] => 10223963 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/223963
High performance lithium or lithium ion cell Aug 19, 2002 Abandoned
Array ( [id] => 993468 [patent_doc_number] => 06916567 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-07-12 [patent_title] => 'Regenerative dryer device and method for water recovery, primarily in the cathode side, of a proton exchange membrane fuel cell' [patent_app_type] => utility [patent_app_number] => 10/223706 [patent_app_country] => US [patent_app_date] => 2002-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 14 [patent_no_of_words] => 7702 [patent_no_of_claims] => 35 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/916/06916567.pdf [firstpage_image] =>[orig_patent_app_number] => 10223706 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/223706
Regenerative dryer device and method for water recovery, primarily in the cathode side, of a proton exchange membrane fuel cell Aug 19, 2002 Issued
Array ( [id] => 7312550 [patent_doc_number] => 20040033415 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-02-19 [patent_title] => 'Mobile rack type battery box for UPS system' [patent_app_type] => new [patent_app_number] => 10/222803 [patent_app_country] => US [patent_app_date] => 2002-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 2164 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0033/20040033415.pdf [firstpage_image] =>[orig_patent_app_number] => 10222803 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/222803
Mobile rack type battery box for UPS system Aug 18, 2002 Issued
Array ( [id] => 7607786 [patent_doc_number] => 07097927 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-08-29 [patent_title] => 'Fuel cell system' [patent_app_type] => utility [patent_app_number] => 10/218938 [patent_app_country] => US [patent_app_date] => 2002-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 7416 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 235 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/097/07097927.pdf [firstpage_image] =>[orig_patent_app_number] => 10218938 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/218938
Fuel cell system Aug 13, 2002 Issued
Array ( [id] => 7380807 [patent_doc_number] => 20040028997 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-02-12 [patent_title] => 'Coin-shaped cell, and manufactuing method thereof' [patent_app_type] => new [patent_app_number] => 10/381503 [patent_app_country] => US [patent_app_date] => 2003-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5518 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0028/20040028997.pdf [firstpage_image] =>[orig_patent_app_number] => 10381503 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/381503
Coin shaped battery and manufacturing method thereof Aug 8, 2002 Issued
Array ( [id] => 6668622 [patent_doc_number] => 20030113605 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-06-19 [patent_title] => 'Polymer electrolyte composition and fuel cell' [patent_app_type] => new [patent_app_number] => 10/213102 [patent_app_country] => US [patent_app_date] => 2002-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11636 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0113/20030113605.pdf [firstpage_image] =>[orig_patent_app_number] => 10213102 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/213102
Polymer electrolyte composition and fuel cell Aug 6, 2002 Abandoned
10/089100 Method and apparatus for delivering power to a mechanical or electrical system Aug 1, 2002 Abandoned
Array ( [id] => 1176142 [patent_doc_number] => 06743540 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-06-01 [patent_title] => 'Method and apparatus for collecting condensate in an integrated fuel cell system' [patent_app_type] => B2 [patent_app_number] => 10/210004 [patent_app_country] => US [patent_app_date] => 2002-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4390 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/743/06743540.pdf [firstpage_image] =>[orig_patent_app_number] => 10210004 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/210004
Method and apparatus for collecting condensate in an integrated fuel cell system Jul 30, 2002 Issued
Array ( [id] => 7397621 [patent_doc_number] => 20040023093 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-02-05 [patent_title] => 'Fluid passages for power generation equipment' [patent_app_type] => new [patent_app_number] => 10/064605 [patent_app_country] => US [patent_app_date] => 2002-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2508 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0023/20040023093.pdf [firstpage_image] =>[orig_patent_app_number] => 10064605 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/064605
Fluid passages for power generation equipment Jul 29, 2002 Issued
Array ( [id] => 6744863 [patent_doc_number] => 20030022046 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-01-30 [patent_title] => 'Fuel cell stack and a method of operating the same' [patent_app_type] => new [patent_app_number] => 10/208895 [patent_app_country] => US [patent_app_date] => 2002-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5720 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0022/20030022046.pdf [firstpage_image] =>[orig_patent_app_number] => 10208895 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/208895
Fuel cell stack and a method of operating the same Jul 29, 2002 Issued
Array ( [id] => 6744861 [patent_doc_number] => 20030022044 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-01-30 [patent_title] => 'Gas leak detection method for fuel cell' [patent_app_type] => new [patent_app_number] => 10/206504 [patent_app_country] => US [patent_app_date] => 2002-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 7066 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0022/20030022044.pdf [firstpage_image] =>[orig_patent_app_number] => 10206504 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/206504
Gas leak detection method for fuel cell Jul 25, 2002 Issued
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