Search

Keith D. Walker

Supervisory Patent Examiner (ID: 7518, Phone: (571)272-3458 , Office: P/1735 )

Most Active Art Unit
1735
Art Unit(s)
1726, 1745, 1795, 1735
Total Applications
565
Issued Applications
152
Pending Applications
54
Abandoned Applications
362

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 6769746 [patent_doc_number] => 20030215686 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-11-20 [patent_title] => 'Method and apparatus for water management of a fuel cell system' [patent_app_type] => new [patent_app_number] => 10/379815 [patent_app_country] => US [patent_app_date] => 2003-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 7211 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0215/20030215686.pdf [firstpage_image] =>[orig_patent_app_number] => 10379815 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/379815
Method and apparatus for water management of a fuel cell system Mar 3, 2003 Abandoned
Array ( [id] => 7396634 [patent_doc_number] => 20040018409 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-01-29 [patent_title] => 'Solid oxide fuel cell components and method of manufacture thereof' [patent_app_type] => new [patent_app_number] => 10/377253 [patent_app_country] => US [patent_app_date] => 2003-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6430 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0018/20040018409.pdf [firstpage_image] =>[orig_patent_app_number] => 10377253 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/377253
Solid oxide fuel cell components and method of manufacture thereof Feb 27, 2003 Abandoned
Array ( [id] => 6829563 [patent_doc_number] => 20030180621 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-09-25 [patent_title] => 'Non-sintered type thin electrode for battery, battery using same and process for same' [patent_app_type] => new [patent_app_number] => 10/375942 [patent_app_country] => US [patent_app_date] => 2003-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 13979 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0180/20030180621.pdf [firstpage_image] =>[orig_patent_app_number] => 10375942 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/375942
Non-sintered type thin electrode for battery, battery using same and process for same Feb 26, 2003 Abandoned
Array ( [id] => 6846563 [patent_doc_number] => 20030165730 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-09-04 [patent_title] => 'Bipolar plate for a fuel cell' [patent_app_type] => new [patent_app_number] => 10/363017 [patent_app_country] => US [patent_app_date] => 2003-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1290 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 18 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0165/20030165730.pdf [firstpage_image] =>[orig_patent_app_number] => 10363017 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/363017
Bipolar plate for a fuel cell Feb 25, 2003 Abandoned
Array ( [id] => 6834545 [patent_doc_number] => 20030162090 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-08-28 [patent_title] => 'Electrode material for non-aqueous secondary battery' [patent_app_type] => new [patent_app_number] => 10/372210 [patent_app_country] => US [patent_app_date] => 2003-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8250 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 18 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0162/20030162090.pdf [firstpage_image] =>[orig_patent_app_number] => 10372210 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/372210
Electrode material for non-aqueous secondary battery Feb 24, 2003 Abandoned
Array ( [id] => 7463954 [patent_doc_number] => 20040166404 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-08-26 [patent_title] => 'Computer clock lithium battery adapter' [patent_app_type] => new [patent_app_number] => 10/371109 [patent_app_country] => US [patent_app_date] => 2003-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1054 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 263 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0166/20040166404.pdf [firstpage_image] =>[orig_patent_app_number] => 10371109 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/371109
Computer clock lithium battery adapter Feb 23, 2003 Abandoned
Array ( [id] => 7463824 [patent_doc_number] => 20040166386 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-08-26 [patent_title] => 'Fuel cells for exhaust stream treatment' [patent_app_type] => new [patent_app_number] => 10/373310 [patent_app_country] => US [patent_app_date] => 2003-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 7803 [patent_no_of_claims] => 58 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0166/20040166386.pdf [firstpage_image] =>[orig_patent_app_number] => 10373310 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/373310
Fuel cells for exhaust stream treatment Feb 23, 2003 Abandoned
Array ( [id] => 7463944 [patent_doc_number] => 20040166402 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-08-26 [patent_title] => 'Eternal light' [patent_app_type] => new [patent_app_number] => 10/370003 [patent_app_country] => US [patent_app_date] => 2003-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 552 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0166/20040166402.pdf [firstpage_image] =>[orig_patent_app_number] => 10370003 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/370003
Eternal light Feb 20, 2003 Abandoned
Array ( [id] => 6834522 [patent_doc_number] => 20030162067 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-08-28 [patent_title] => 'Fuel water vapor replenishment system for a fuel cell' [patent_app_type] => new [patent_app_number] => 10/368425 [patent_app_country] => US [patent_app_date] => 2003-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 47 [patent_figures_cnt] => 47 [patent_no_of_words] => 24488 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0162/20030162067.pdf [firstpage_image] =>[orig_patent_app_number] => 10368425 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/368425
Fuel water vapor replenishment system for a fuel cell Feb 19, 2003 Abandoned
Array ( [id] => 6905378 [patent_doc_number] => 20050100773 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-05-12 [patent_title] => 'Liquid fuel cell' [patent_app_type] => utility [patent_app_number] => 10/490528 [patent_app_country] => US [patent_app_date] => 2003-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6479 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 11 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0100/20050100773.pdf [firstpage_image] =>[orig_patent_app_number] => 10490528 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/490528
Liquid fuel cell with a planer electrolyte layer Feb 13, 2003 Issued
Array ( [id] => 7232521 [patent_doc_number] => 20040157101 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-08-12 [patent_title] => 'Fuel cell electrode assembly' [patent_app_type] => new [patent_app_number] => 10/364768 [patent_app_country] => US [patent_app_date] => 2003-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 11944 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0157/20040157101.pdf [firstpage_image] =>[orig_patent_app_number] => 10364768 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/364768
Fuel cell electrode assembly Feb 10, 2003 Abandoned
Array ( [id] => 6706096 [patent_doc_number] => 20030152830 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-08-14 [patent_title] => 'Systems and methods for constructing a battery' [patent_app_type] => new [patent_app_number] => 10/361110 [patent_app_country] => US [patent_app_date] => 2003-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5250 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0152/20030152830.pdf [firstpage_image] =>[orig_patent_app_number] => 10361110 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/361110
Systems and methods for constructing a battery pack Feb 6, 2003 Issued
Array ( [id] => 6874311 [patent_doc_number] => 20030194608 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-10-16 [patent_title] => 'Copper member for battery' [patent_app_type] => new [patent_app_number] => 10/360909 [patent_app_country] => US [patent_app_date] => 2003-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5725 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0194/20030194608.pdf [firstpage_image] =>[orig_patent_app_number] => 10360909 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/360909
Copper member for battery Feb 6, 2003 Abandoned
Array ( [id] => 7229311 [patent_doc_number] => 20040156737 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-08-12 [patent_title] => 'Austenitic stainless steels including molybdenum' [patent_app_type] => new [patent_app_number] => 10/360961 [patent_app_country] => US [patent_app_date] => 2003-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 8544 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0156/20040156737.pdf [firstpage_image] =>[orig_patent_app_number] => 10360961 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/360961
Austenitic stainless steels including molybdenum Feb 5, 2003 Abandoned
Array ( [id] => 121003 [patent_doc_number] => 07709115 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-05-04 [patent_title] => 'Methods for forming magnetically modified electrodes and articles produced thereby' [patent_app_type] => utility [patent_app_number] => 10/356723 [patent_app_country] => US [patent_app_date] => 2003-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 51 [patent_figures_cnt] => 53 [patent_no_of_words] => 36985 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/709/07709115.pdf [firstpage_image] =>[orig_patent_app_number] => 10356723 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/356723
Methods for forming magnetically modified electrodes and articles produced thereby Feb 2, 2003 Issued
Array ( [id] => 7677847 [patent_doc_number] => 20040151979 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-08-05 [patent_title] => 'Battery pack for use with a hand-held debridement device' [patent_app_type] => new [patent_app_number] => 10/356913 [patent_app_country] => US [patent_app_date] => 2003-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3184 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0151/20040151979.pdf [firstpage_image] =>[orig_patent_app_number] => 10356913 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/356913
Battery pack for use with a hand-held debridement device Feb 2, 2003 Abandoned
Array ( [id] => 7761555 [patent_doc_number] => 08114551 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-02-14 [patent_title] => 'Porous structured body for a fuel cell anode' [patent_app_type] => utility [patent_app_number] => 10/355624 [patent_app_country] => US [patent_app_date] => 2003-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3059 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 334 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/114/08114551.pdf [firstpage_image] =>[orig_patent_app_number] => 10355624 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/355624
Porous structured body for a fuel cell anode Jan 30, 2003 Issued
Array ( [id] => 6851244 [patent_doc_number] => 20030143447 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-07-31 [patent_title] => 'Fuel cells power generation system' [patent_app_type] => new [patent_app_number] => 10/355128 [patent_app_country] => US [patent_app_date] => 2003-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 6021 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0143/20030143447.pdf [firstpage_image] =>[orig_patent_app_number] => 10355128 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/355128
Fuel cells power generation system Jan 30, 2003 Abandoned
Array ( [id] => 6842836 [patent_doc_number] => 20030148183 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-08-07 [patent_title] => 'Non-aqueous electrolyte battery' [patent_app_type] => new [patent_app_number] => 10/354117 [patent_app_country] => US [patent_app_date] => 2003-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5533 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0148/20030148183.pdf [firstpage_image] =>[orig_patent_app_number] => 10354117 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/354117
Non-aqueous electrolyte battery Jan 29, 2003 Abandoned
Array ( [id] => 6706102 [patent_doc_number] => 20030152836 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-08-14 [patent_title] => 'Nonaqueous electrolyte secondary cell' [patent_app_type] => new [patent_app_number] => 10/352026 [patent_app_country] => US [patent_app_date] => 2003-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 6405 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0152/20030152836.pdf [firstpage_image] =>[orig_patent_app_number] => 10352026 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/352026
Nonaqueous electrolyte secondary cell Jan 27, 2003 Abandoned
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