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] => 1287681 [patent_doc_number] => 06632566 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-10-14 [patent_title] => 'Positive electrode active material, non-aqueous electrolyte secondary battery and method for producing positive electrode active material of positive material' [patent_app_type] => B1 [patent_app_number] => 09/701903 [patent_app_country] => US [patent_app_date] => 2001-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 27 [patent_no_of_words] => 8949 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/632/06632566.pdf [firstpage_image] =>[orig_patent_app_number] => 09701903 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/701903
Positive electrode active material, non-aqueous electrolyte secondary battery and method for producing positive electrode active material of positive material Feb 13, 2001 Issued
Array ( [id] => 7027953 [patent_doc_number] => 20010014415 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-08-16 [patent_title] => 'Fuel cell system and method' [patent_app_type] => new [patent_app_number] => 09/781303 [patent_app_country] => US [patent_app_date] => 2001-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 9076 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0014/20010014415.pdf [firstpage_image] =>[orig_patent_app_number] => 09781303 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/781303
Fuel cell system and method Feb 12, 2001 Issued
Array ( [id] => 6893909 [patent_doc_number] => 20010016275 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-08-23 [patent_title] => 'Fuel cell system' [patent_app_type] => new [patent_app_number] => 09/781300 [patent_app_country] => US [patent_app_date] => 2001-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4002 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0016/20010016275.pdf [firstpage_image] =>[orig_patent_app_number] => 09781300 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/781300
Fuel cell system Feb 12, 2001 Issued
Array ( [id] => 7965431 [patent_doc_number] => 06679926 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-01-20 [patent_title] => 'Lithium secondary cell and its producing method' [patent_app_type] => B1 [patent_app_number] => 09/762701 [patent_app_country] => US [patent_app_date] => 2001-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 18 [patent_no_of_words] => 7845 [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] => patent [pdf_file] => patents/06/679/06679926.pdf [firstpage_image] =>[orig_patent_app_number] => 09762701 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/762701
Lithium secondary cell and its producing method Feb 11, 2001 Issued
Array ( [id] => 6141366 [patent_doc_number] => 20020001743 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-01-03 [patent_title] => 'Composite bipolar plate separator structrues for polymer electrolyte membrane (PEM) electrochemical and fuel cells' [patent_app_type] => new [patent_app_number] => 09/778002 [patent_app_country] => US [patent_app_date] => 2001-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2753 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0001/20020001743.pdf [firstpage_image] =>[orig_patent_app_number] => 09778002 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/778002
Composite bipolar plate separator structrues for polymer electrolyte membrane (PEM) electrochemical and fuel cells Feb 6, 2001 Abandoned
Array ( [id] => 6015426 [patent_doc_number] => 20020102444 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-08-01 [patent_title] => 'Technique and apparatus to control the response of a fuel cell system to load transients' [patent_app_type] => new [patent_app_number] => 09/773704 [patent_app_country] => US [patent_app_date] => 2001-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4243 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0102/20020102444.pdf [firstpage_image] =>[orig_patent_app_number] => 09773704 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/773704
Technique and apparatus to control the response of a fuel cell system to load transients Jan 30, 2001 Abandoned
Array ( [id] => 6878144 [patent_doc_number] => 20010002299 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-05-31 [patent_title] => 'Gas injection system for treating a fuel cell stack assembly' [patent_app_type] => new-utility [patent_app_number] => 09/769598 [patent_app_country] => US [patent_app_date] => 2001-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 6771 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0002/20010002299.pdf [firstpage_image] =>[orig_patent_app_number] => 09769598 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/769598
Gas injection system for treating a fuel cell stack assembly Jan 24, 2001 Issued
09/673804 Fuel cell flow field structure formed by layer deposition Jan 21, 2001 Abandoned
Array ( [id] => 1330823 [patent_doc_number] => 06596434 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-07-22 [patent_title] => 'Cylindrical type alkaline storage battery' [patent_app_type] => B1 [patent_app_number] => 09/701101 [patent_app_country] => US [patent_app_date] => 2001-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 4790 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/596/06596434.pdf [firstpage_image] =>[orig_patent_app_number] => 09701101 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/701101
Cylindrical type alkaline storage battery Jan 18, 2001 Issued
Array ( [id] => 6750164 [patent_doc_number] => 20030044684 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-03-06 [patent_title] => 'Positive active material for nonaqueous secondary battery, and nonaqueous secondary battery using the same' [patent_app_type] => new [patent_app_number] => 09/764101 [patent_app_country] => US [patent_app_date] => 2001-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 6575 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0044/20030044684.pdf [firstpage_image] =>[orig_patent_app_number] => 09764101 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/764101
Positive active material for nonaqueous secondary battery, and nonaqueous secondary battery using the same Jan 18, 2001 Abandoned
Array ( [id] => 6878145 [patent_doc_number] => 20010002300 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-05-31 [patent_title] => 'Cylindrical metal-air battery with a cylindrical peripheral air cathode' [patent_app_type] => new-utility [patent_app_number] => 09/765720 [patent_app_country] => US [patent_app_date] => 2001-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5175 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0002/20010002300.pdf [firstpage_image] =>[orig_patent_app_number] => 09765720 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/765720
Cylindrical metal-air battery with a cylindrical peripheral air cathode Jan 17, 2001 Abandoned
Array ( [id] => 6878143 [patent_doc_number] => 20010002298 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-05-31 [patent_title] => 'Dual voltage multiple configuration battery and adapter' [patent_app_type] => new-utility [patent_app_number] => 09/765310 [patent_app_country] => US [patent_app_date] => 2001-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2497 [patent_no_of_claims] => 15 [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/A1/0002/20010002298.pdf [firstpage_image] =>[orig_patent_app_number] => 09765310 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/765310
Dual voltage multiple configuration battery and adapter Jan 10, 2001 Issued
Array ( [id] => 6431271 [patent_doc_number] => 20020127457 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-09-12 [patent_title] => 'Bipolar plates for fuel cell stacks' [patent_app_type] => new [patent_app_number] => 09/757501 [patent_app_country] => US [patent_app_date] => 2001-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4383 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0127/20020127457.pdf [firstpage_image] =>[orig_patent_app_number] => 09757501 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/757501
Bipolar plates for fuel cell stacks Jan 9, 2001 Issued
Array ( [id] => 6431383 [patent_doc_number] => 20020127474 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-09-12 [patent_title] => 'Proton-selective conducting membranes' [patent_app_type] => new [patent_app_number] => 09/756133 [patent_app_country] => US [patent_app_date] => 2001-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 15000 [patent_no_of_claims] => 62 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0127/20020127474.pdf [firstpage_image] =>[orig_patent_app_number] => 09756133 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/756133
Proton-selective conducting membranes Jan 8, 2001 Abandoned
Array ( [id] => 1309291 [patent_doc_number] => 06613476 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-09-02 [patent_title] => 'Positive active material for rechargeable lithium battery and method of preparing same' [patent_app_type] => B2 [patent_app_number] => 09/754100 [patent_app_country] => US [patent_app_date] => 2001-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 4767 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/613/06613476.pdf [firstpage_image] =>[orig_patent_app_number] => 09754100 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/754100
Positive active material for rechargeable lithium battery and method of preparing same Jan 2, 2001 Issued
Array ( [id] => 1290371 [patent_doc_number] => 06630269 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-10-07 [patent_title] => 'Fuel cell' [patent_app_type] => B1 [patent_app_number] => 09/700001 [patent_app_country] => US [patent_app_date] => 2000-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1691 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/630/06630269.pdf [firstpage_image] =>[orig_patent_app_number] => 09700001 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/700001
Fuel cell Dec 28, 2000 Issued
Array ( [id] => 6275392 [patent_doc_number] => 20020106546 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-08-08 [patent_title] => 'Fuel cell hybrid flow field humidification zone' [patent_app_type] => new [patent_app_number] => 09/751600 [patent_app_country] => US [patent_app_date] => 2000-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3259 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0106/20020106546.pdf [firstpage_image] =>[orig_patent_app_number] => 09751600 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/751600
Fuel cell hybrid flow field humidification zone Dec 28, 2000 Issued
Array ( [id] => 714777 [patent_doc_number] => 07052793 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-05-30 [patent_title] => 'Composite solid polymer electrolyte membranes' [patent_app_type] => utility [patent_app_number] => 09/750402 [patent_app_country] => US [patent_app_date] => 2000-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 18703 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 25 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/052/07052793.pdf [firstpage_image] =>[orig_patent_app_number] => 09750402 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/750402
Composite solid polymer electrolyte membranes Dec 27, 2000 Issued
Array ( [id] => 1390065 [patent_doc_number] => 06541145 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-04-01 [patent_title] => 'Flow fields for supporting fluid diffusion layers in fuel cells' [patent_app_type] => B2 [patent_app_number] => 09/752548 [patent_app_country] => US [patent_app_date] => 2000-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 4496 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/541/06541145.pdf [firstpage_image] =>[orig_patent_app_number] => 09752548 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/752548
Flow fields for supporting fluid diffusion layers in fuel cells Dec 27, 2000 Issued
Array ( [id] => 6901458 [patent_doc_number] => 20010023041 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-09-20 [patent_title] => 'Gel electrolyte precursor and chemical battery' [patent_app_type] => new [patent_app_number] => 09/748007 [patent_app_country] => US [patent_app_date] => 2000-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 22850 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0023/20010023041.pdf [firstpage_image] =>[orig_patent_app_number] => 09748007 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/748007
Gel electrolyte precursor and chemical battery Dec 26, 2000 Issued
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