Search

Keith D. Walker

Supervisory Patent Examiner (ID: 6212, Phone: (571)272-3458 , Office: P/1735 )

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

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 8718052 [patent_doc_number] => 20130069269 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-03-21 [patent_title] => 'SYSTEM AND METHOD FOR MANUFACTURING BONDED MAGNET USING RARE EARTH POWDER' [patent_app_type] => utility [patent_app_number] => 13/323735 [patent_app_country] => US [patent_app_date] => 2011-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4344 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13323735 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/323735
SYSTEM AND METHOD FOR MANUFACTURING BONDED MAGNET USING RARE EARTH POWDER Dec 11, 2011 Abandoned
Array ( [id] => 10491733 [patent_doc_number] => 20150376755 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-12-31 [patent_title] => 'COPPER ALLOY MATERIAL FOR CONTINUOUS CASTING MOLD AND PROCESS FOR PRODUCING SAME' [patent_app_type] => utility [patent_app_number] => 14/238173 [patent_app_country] => US [patent_app_date] => 2011-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5002 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14238173 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/238173
COPPER ALLOY MATERIAL FOR CONTINUOUS CASTING MOLD AND PROCESS FOR PRODUCING SAME Sep 29, 2011 Abandoned
Array ( [id] => 8725281 [patent_doc_number] => 08404395 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-03-26 [patent_title] => 'Ring of fuel cells with a hydrogen generator' [patent_app_type] => utility [patent_app_number] => 13/240295 [patent_app_country] => US [patent_app_date] => 2011-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 6656 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13240295 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/240295
Ring of fuel cells with a hydrogen generator Sep 21, 2011 Issued
Array ( [id] => 8244743 [patent_doc_number] => 08202670 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-06-19 [patent_title] => 'Preconditioning treatment to enhance redox tolerance of solid oxide fuel cells' [patent_app_type] => utility [patent_app_number] => 13/236061 [patent_app_country] => US [patent_app_date] => 2011-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2669 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/202/08202670.pdf [firstpage_image] =>[orig_patent_app_number] => 13236061 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/236061
Preconditioning treatment to enhance redox tolerance of solid oxide fuel cells Sep 18, 2011 Issued
Array ( [id] => 8351810 [patent_doc_number] => 08247138 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-08-21 [patent_title] => 'Metal fluid distribution plate with an adhesion promoting layer and polymeric layer' [patent_app_type] => utility [patent_app_number] => 13/222162 [patent_app_country] => US [patent_app_date] => 2011-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 4993 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13222162 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/222162
Metal fluid distribution plate with an adhesion promoting layer and polymeric layer Aug 30, 2011 Issued
Array ( [id] => 7662580 [patent_doc_number] => 20110311849 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-12-22 [patent_title] => 'RECHARGEABLE BATTERY' [patent_app_type] => utility [patent_app_number] => 13/167253 [patent_app_country] => US [patent_app_date] => 2011-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3201 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 12 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0311/20110311849.pdf [firstpage_image] =>[orig_patent_app_number] => 13167253 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/167253
RECHARGEABLE BATTERY Jun 22, 2011 Abandoned
Array ( [id] => 8562852 [patent_doc_number] => 20120325423 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-12-27 [patent_title] => 'METHOD OF MANUFACTURING A MOTOR ROTOR' [patent_app_type] => utility [patent_app_number] => 13/165892 [patent_app_country] => US [patent_app_date] => 2011-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 1627 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13165892 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/165892
METHOD OF MANUFACTURING A MOTOR ROTOR Jun 21, 2011 Abandoned
Array ( [id] => 8887721 [patent_doc_number] => 20130160905 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-06-27 [patent_title] => 'METHOD FOR PRODUCING A TEMPERED MARTENSITIC HEAT RESISTANT STEEL FOR HIGH TEMPERATURE APPLICATION' [patent_app_type] => utility [patent_app_number] => 13/701017 [patent_app_country] => US [patent_app_date] => 2011-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 4655 [patent_no_of_claims] => 19 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13701017 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/701017
METHOD FOR PRODUCING A TEMPERED MARTENSITIC HEAT RESISTANT STEEL FOR HIGH TEMPERATURE APPLICATION Jun 9, 2011 Abandoned
Array ( [id] => 8480212 [patent_doc_number] => 20120279619 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-11-08 [patent_title] => 'TREATMENT FOR PREVENTING STRESS CORROSION CRACKING' [patent_app_type] => utility [patent_app_number] => 13/101686 [patent_app_country] => US [patent_app_date] => 2011-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3090 [patent_no_of_claims] => 19 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13101686 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/101686
TREATMENT FOR PREVENTING STRESS CORROSION CRACKING May 4, 2011 Abandoned
Array ( [id] => 5958380 [patent_doc_number] => 20110182767 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-07-28 [patent_title] => 'COPPER ALLOY, COPPER ALLOY PLATE, AND PROCESS FOR PRODUCING THE SAME' [patent_app_type] => utility [patent_app_number] => 13/078404 [patent_app_country] => US [patent_app_date] => 2011-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 14057 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0182/20110182767.pdf [firstpage_image] =>[orig_patent_app_number] => 13078404 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/078404
COPPER ALLOY, COPPER ALLOY PLATE, AND PROCESS FOR PRODUCING THE SAME Mar 31, 2011 Abandoned
13/044038 ELECTRODE STRUCTURES AND SURFACES FOR Li BATTERIES Mar 8, 2011 Abandoned
Array ( [id] => 6134947 [patent_doc_number] => 20110126401 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-06-02 [patent_title] => 'HEAT-RESISTANT NONWOVEN FABRIC' [patent_app_type] => utility [patent_app_number] => 13/022890 [patent_app_country] => US [patent_app_date] => 2011-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6999 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0126/20110126401.pdf [firstpage_image] =>[orig_patent_app_number] => 13022890 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/022890
HEAT-RESISTANT NONWOVEN FABRIC Feb 7, 2011 Abandoned
Array ( [id] => 6038746 [patent_doc_number] => 20110091795 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-04-21 [patent_title] => 'FUEL CONTAINER FOR STORING FUEL LIQUID FOR FUEL CELL AND FUEL CELL PACK' [patent_app_type] => utility [patent_app_number] => 12/978909 [patent_app_country] => US [patent_app_date] => 2010-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 10828 [patent_no_of_claims] => 10 [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/A1/0091/20110091795.pdf [firstpage_image] =>[orig_patent_app_number] => 12978909 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/978909
FUEL CONTAINER FOR STORING FUEL LIQUID FOR FUEL CELL AND FUEL CELL PACK Dec 26, 2010 Abandoned
12/971600 ALUMINUM AND SOLID ALKALI PEROXIDE GALVANIC CELL Dec 16, 2010 Abandoned
Array ( [id] => 7807052 [patent_doc_number] => 20120058005 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-03-08 [patent_title] => 'Copper Corrosion Resistant, Machinable Brass Alloy' [patent_app_type] => utility [patent_app_number] => 12/957259 [patent_app_country] => US [patent_app_date] => 2010-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 5220 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0058/20120058005.pdf [firstpage_image] =>[orig_patent_app_number] => 12957259 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/957259
Copper Corrosion Resistant, Machinable Brass Alloy Nov 29, 2010 Abandoned
Array ( [id] => 8290296 [patent_doc_number] => 20120178630 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-07-12 [patent_title] => 'TAPE BASE MATERIAL FOR A SUPERCONDUCTING WIRE ROD, AND SUPERCONDUCTING WIRE ROD' [patent_app_type] => utility [patent_app_number] => 13/497727 [patent_app_country] => US [patent_app_date] => 2010-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5668 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13497727 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/497727
TAPE BASE MATERIAL FOR A SUPERCONDUCTING WIRE ROD, AND SUPERCONDUCTING WIRE ROD Oct 25, 2010 Abandoned
Array ( [id] => 5929218 [patent_doc_number] => 20110039177 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-02-17 [patent_title] => 'FUEL CELL SYSTEM' [patent_app_type] => utility [patent_app_number] => 12/910939 [patent_app_country] => US [patent_app_date] => 2010-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3519 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0039/20110039177.pdf [firstpage_image] =>[orig_patent_app_number] => 12910939 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/910939
Fuel cell with cooling method at start up Oct 24, 2010 Issued
Array ( [id] => 8320650 [patent_doc_number] => 20120193062 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-08-02 [patent_title] => 'METALLURGICAL COMPLEX' [patent_app_type] => utility [patent_app_number] => 13/500478 [patent_app_country] => US [patent_app_date] => 2010-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2588 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13500478 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/500478
METALLURGICAL COMPLEX Oct 5, 2010 Abandoned
Array ( [id] => 6149117 [patent_doc_number] => 20110020712 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-01-27 [patent_title] => 'ELECTRIC CURRENT-PRODUCING DEVICE HAVING SULFONE-BASED ELECTROLYTE' [patent_app_type] => utility [patent_app_number] => 12/897602 [patent_app_country] => US [patent_app_date] => 2010-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 9839 [patent_no_of_claims] => 26 [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/A1/0020/20110020712.pdf [firstpage_image] =>[orig_patent_app_number] => 12897602 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/897602
ELECTRIC CURRENT-PRODUCING DEVICE HAVING SULFONE-BASED ELECTROLYTE Oct 3, 2010 Abandoned
Array ( [id] => 6143008 [patent_doc_number] => 20110016706 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-01-27 [patent_title] => 'RECHARGEABLE BATTERY FABRICATION METHOD' [patent_app_type] => utility [patent_app_number] => 12/896543 [patent_app_country] => US [patent_app_date] => 2010-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2591 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0016/20110016706.pdf [firstpage_image] =>[orig_patent_app_number] => 12896543 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/896543
RECHARGEABLE BATTERY FABRICATION METHOD Sep 30, 2010 Abandoned
Menu