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] => 173639 [patent_doc_number] => 07659018 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-02-09 [patent_title] => 'Fuel cell power control unit' [patent_app_type] => utility [patent_app_number] => 09/988452 [patent_app_country] => US [patent_app_date] => 2001-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 20 [patent_no_of_words] => 11148 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 223 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/659/07659018.pdf [firstpage_image] =>[orig_patent_app_number] => 09988452 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/988452
Fuel cell power control unit Nov 15, 2001 Issued
Array ( [id] => 7397741 [patent_doc_number] => 20040023118 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-02-05 [patent_title] => 'Nonaqueous lithium secondary battery' [patent_app_type] => new [patent_app_number] => 10/381513 [patent_app_country] => US [patent_app_date] => 2003-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 7024 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 23 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0023/20040023118.pdf [firstpage_image] =>[orig_patent_app_number] => 10381513 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/381513
Nonaqueous lithium secondary battery with carbon electrodes Nov 6, 2001 Issued
Array ( [id] => 6015442 [patent_doc_number] => 20020102459 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-08-01 [patent_title] => 'Method for the preparation of cathode active material and method for the preparation of non-aqueous electrolyte' [patent_app_type] => new [patent_app_number] => 09/961862 [patent_app_country] => US [patent_app_date] => 2001-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 11243 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0102/20020102459.pdf [firstpage_image] =>[orig_patent_app_number] => 09961862 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/961862
Method for the preparation of cathode active material and method for the preparation of non-aqueous electrolyte Sep 23, 2001 Abandoned
Array ( [id] => 6720527 [patent_doc_number] => 20030054215 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-03-20 [patent_title] => 'Compact integrated solid oxide fuel cell system' [patent_app_type] => new [patent_app_number] => 09/960086 [patent_app_country] => US [patent_app_date] => 2001-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5319 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0054/20030054215.pdf [firstpage_image] =>[orig_patent_app_number] => 09960086 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/960086
Compact integrated solid oxide fuel cell system Sep 19, 2001 Abandoned
Array ( [id] => 5935832 [patent_doc_number] => 20020061449 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-05-23 [patent_title] => 'Ion-conductive composition, gel electrolyte, non-aqueous electrolyte battery, and electrical double-layer capacitor' [patent_app_type] => new [patent_app_number] => 09/955432 [patent_app_country] => US [patent_app_date] => 2001-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 18392 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0061/20020061449.pdf [firstpage_image] =>[orig_patent_app_number] => 09955432 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/955432
Ion-conductive composition, gel electrolyte, non-aqueous electrolyte battery, and electrical double-layer capacitor Sep 18, 2001 Abandoned
Array ( [id] => 7033414 [patent_doc_number] => 20050031923 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-02-10 [patent_title] => 'Solid state electrolytic fuel cell' [patent_app_type] => utility [patent_app_number] => 10/488465 [patent_app_country] => US [patent_app_date] => 2001-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2643 [patent_no_of_claims] => 3 [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/A1/0031/20050031923.pdf [firstpage_image] =>[orig_patent_app_number] => 10488465 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/488465
Solid state electrolytic fuel cell Sep 5, 2001 Abandoned
Array ( [id] => 5888261 [patent_doc_number] => 20020012848 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-01-31 [patent_title] => 'Electrochemical cell incorporating polymer matrix material' [patent_app_type] => new [patent_app_number] => 09/943053 [patent_app_country] => US [patent_app_date] => 2001-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6726 [patent_no_of_claims] => 43 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0012/20020012848.pdf [firstpage_image] =>[orig_patent_app_number] => 09943053 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/943053
Electrochemical cell incorporating polymer matrix material Aug 29, 2001 Abandoned
Array ( [id] => 6472284 [patent_doc_number] => 20020022161 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-02-21 [patent_title] => 'Fuel cell system and process for controlling the same' [patent_app_type] => new [patent_app_number] => 09/915936 [patent_app_country] => US [patent_app_date] => 2001-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 7025 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0022/20020022161.pdf [firstpage_image] =>[orig_patent_app_number] => 09915936 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/915936
Fuel cell system and process for controlling the same Jul 24, 2001 Issued
Array ( [id] => 6715703 [patent_doc_number] => 20030027051 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-02-06 [patent_title] => 'Manufacturing method and structure of electrodes for lithium based electrochemical devices' [patent_app_type] => new [patent_app_number] => 09/911036 [patent_app_country] => US [patent_app_date] => 2001-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4159 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0027/20030027051.pdf [firstpage_image] =>[orig_patent_app_number] => 09911036 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/911036
Manufacturing method and structure of electrodes for lithium based electrochemical devices Jul 22, 2001 Abandoned
Array ( [id] => 571448 [patent_doc_number] => 07459229 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-12-02 [patent_title] => 'Reactant sealing for fuel cell stack' [patent_app_type] => utility [patent_app_number] => 10/344681 [patent_app_country] => US [patent_app_date] => 2001-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 3224 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/459/07459229.pdf [firstpage_image] =>[orig_patent_app_number] => 10344681 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/344681
Reactant sealing for fuel cell stack Jul 20, 2001 Issued
Array ( [id] => 6518139 [patent_doc_number] => 20020192137 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-12-19 [patent_title] => 'Phosphate powder compositions and methods for forming particles with complex anions' [patent_app_type] => new [patent_app_number] => 09/845985 [patent_app_country] => US [patent_app_date] => 2001-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 15053 [patent_no_of_claims] => 47 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 27 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0192/20020192137.pdf [firstpage_image] =>[orig_patent_app_number] => 09845985 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/845985
Phosphate powder compositions and methods for forming particles with complex anions Apr 29, 2001 Abandoned
Array ( [id] => 6668628 [patent_doc_number] => 20030113611 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-06-19 [patent_title] => 'Fuel cell' [patent_app_type] => new [patent_app_number] => 10/149227 [patent_app_country] => US [patent_app_date] => 2002-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8501 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0113/20030113611.pdf [firstpage_image] =>[orig_patent_app_number] => 10149227 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/149227
Fuel cell Dec 3, 2000 Issued
Array ( [id] => 864059 [patent_doc_number] => 07368201 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2008-05-06 [patent_title] => 'Box for set of electric storage batteries' [patent_app_type] => utility [patent_app_number] => 09/936231 [patent_app_country] => US [patent_app_date] => 2000-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1479 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 426 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/368/07368201.pdf [firstpage_image] =>[orig_patent_app_number] => 09936231 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/936231
Box for set of electric storage batteries Mar 9, 2000 Issued
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