Search

Osei K. Amponsah

Examiner (ID: 13525, Phone: (571)270-3446 , Office: P/1729 )

Most Active Art Unit
1729
Art Unit(s)
1729, 1752
Total Applications
770
Issued Applications
487
Pending Applications
108
Abandoned Applications
200

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 5575306 [patent_doc_number] => 20090142668 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-06-04 [patent_title] => 'CATHODE ACTIVE MATERIAL, CATHODE, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY' [patent_app_type] => utility [patent_app_number] => 12/325636 [patent_app_country] => US [patent_app_date] => 2008-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 14413 [patent_no_of_claims] => 8 [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/A1/0142/20090142668.pdf [firstpage_image] =>[orig_patent_app_number] => 12325636 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/325636
Cathode active material, cathode, and nonaqueous electrolyte secondary battery Nov 30, 2008 Issued
Array ( [id] => 5970116 [patent_doc_number] => 20110151345 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-06-23 [patent_title] => 'FUEL CELL ASSEMBLY HAVING FEED-BACK SENSOR' [patent_app_type] => utility [patent_app_number] => 12/674491 [patent_app_country] => US [patent_app_date] => 2008-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 7499 [patent_no_of_claims] => 24 [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/A1/0151/20110151345.pdf [firstpage_image] =>[orig_patent_app_number] => 12674491 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/674491
Fuel cell assembly having feed-back sensor Aug 19, 2008 Issued
Array ( [id] => 10837690 [patent_doc_number] => 08865362 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-10-21 [patent_title] => 'Gaskets and bipolar plates for PEM fuel cells' [patent_app_type] => utility [patent_app_number] => 12/452703 [patent_app_country] => US [patent_app_date] => 2008-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 6845 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 327 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12452703 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/452703
Gaskets and bipolar plates for PEM fuel cells Jul 17, 2008 Issued
Array ( [id] => 6605407 [patent_doc_number] => 20100098983 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-04-22 [patent_title] => 'FUEL CELL PERFORMING ANODE DEAD-END OPERATION WITH IMPROVED WATER MANAGEMENT' [patent_app_type] => utility [patent_app_number] => 12/450203 [patent_app_country] => US [patent_app_date] => 2008-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 15369 [patent_no_of_claims] => 31 [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/A1/0098/20100098983.pdf [firstpage_image] =>[orig_patent_app_number] => 12450203 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/450203
FUEL CELL PERFORMING ANODE DEAD-END OPERATION WITH IMPROVED WATER MANAGEMENT Jul 15, 2008 Abandoned
Array ( [id] => 5310085 [patent_doc_number] => 20090017366 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-01-15 [patent_title] => 'BATTERY SYSTEM' [patent_app_type] => utility [patent_app_number] => 12/166138 [patent_app_country] => US [patent_app_date] => 2008-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 7336 [patent_no_of_claims] => 25 [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/A1/0017/20090017366.pdf [firstpage_image] =>[orig_patent_app_number] => 12166138 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/166138
Battery system Jun 30, 2008 Issued
Array ( [id] => 10875985 [patent_doc_number] => 08900770 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-12-02 [patent_title] => 'Fuel cell system and operation method thereof' [patent_app_type] => utility [patent_app_number] => 12/529795 [patent_app_country] => US [patent_app_date] => 2008-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 15 [patent_no_of_words] => 8132 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 277 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12529795 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/529795
Fuel cell system and operation method thereof Jun 17, 2008 Issued
Array ( [id] => 10525903 [patent_doc_number] => 09252426 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-02-02 [patent_title] => 'Silicon anode for a rechargeable battery' [patent_app_type] => utility [patent_app_number] => 12/599034 [patent_app_country] => US [patent_app_date] => 2008-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2965 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12599034 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/599034
Silicon anode for a rechargeable battery May 8, 2008 Issued
Array ( [id] => 6523752 [patent_doc_number] => 20100203372 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-08-12 [patent_title] => 'WIRE TYPE BATTERIES FOR WIRELESS CHARGE' [patent_app_type] => utility [patent_app_number] => 12/669735 [patent_app_country] => US [patent_app_date] => 2008-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1980 [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] => publications/A1/0203/20100203372.pdf [firstpage_image] =>[orig_patent_app_number] => 12669735 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/669735
WIRE TYPE BATTERIES FOR WIRELESS CHARGE Mar 31, 2008 Abandoned
Array ( [id] => 6407528 [patent_doc_number] => 20100140411 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-06-10 [patent_title] => 'Fuel supply unit for a fuel cell system, fuel cell system and method for monitoring a fuel supply unit' [patent_app_type] => utility [patent_app_number] => 12/522702 [patent_app_country] => US [patent_app_date] => 2007-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4854 [patent_no_of_claims] => 13 [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/A1/0140/20100140411.pdf [firstpage_image] =>[orig_patent_app_number] => 12522702 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/522702
Fuel supply unit for a fuel cell system, fuel cell system and method for monitoring a fuel supply unit Dec 13, 2007 Issued
Array ( [id] => 6505215 [patent_doc_number] => 20100216042 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-08-26 [patent_title] => 'AUXILIARY POWER UNIT' [patent_app_type] => utility [patent_app_number] => 12/739736 [patent_app_country] => US [patent_app_date] => 2007-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4022 [patent_no_of_claims] => 24 [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/A1/0216/20100216042.pdf [firstpage_image] =>[orig_patent_app_number] => 12739736 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/739736
Auxiliary power unit Oct 23, 2007 Issued
Array ( [id] => 6605995 [patent_doc_number] => 20100099024 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-04-22 [patent_title] => 'METHOD FOR CONNECTION OF CONDUCTIVE MEMBER TO DEVICE' [patent_app_type] => utility [patent_app_number] => 12/515469 [patent_app_country] => US [patent_app_date] => 2007-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3555 [patent_no_of_claims] => 16 [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/A1/0099/20100099024.pdf [firstpage_image] =>[orig_patent_app_number] => 12515469 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/515469
METHOD FOR CONNECTION OF CONDUCTIVE MEMBER TO DEVICE Oct 18, 2007 Abandoned
Array ( [id] => 6303944 [patent_doc_number] => 20100068596 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-03-18 [patent_title] => 'Direct methanol fuel cell system and portable electronic device' [patent_app_type] => utility [patent_app_number] => 12/311704 [patent_app_country] => US [patent_app_date] => 2007-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 15620 [patent_no_of_claims] => 18 [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/A1/0068/20100068596.pdf [firstpage_image] =>[orig_patent_app_number] => 12311704 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/311704
Direct methanol fuel cell system and portable electronic device Oct 8, 2007 Abandoned
Array ( [id] => 4663424 [patent_doc_number] => 20080254331 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-10-16 [patent_title] => 'FUEL CELL WITH SHUTOFF DEVICE' [patent_app_type] => utility [patent_app_number] => 11/833194 [patent_app_country] => US [patent_app_date] => 2007-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5557 [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] => publication [pdf_file] => publications/A1/0254/20080254331.pdf [firstpage_image] =>[orig_patent_app_number] => 11833194 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/833194
FUEL CELL WITH SHUTOFF DEVICE Aug 1, 2007 Abandoned
Array ( [id] => 5575292 [patent_doc_number] => 20090142654 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-06-04 [patent_title] => 'COMPACT POWER SUPPLY DEVICE FOR A MOTOR VEHICLE COMPRISING REGULATED COOLING MEANS' [patent_app_type] => utility [patent_app_number] => 12/303336 [patent_app_country] => US [patent_app_date] => 2007-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4862 [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] => publications/A1/0142/20090142654.pdf [firstpage_image] =>[orig_patent_app_number] => 12303336 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/303336
COMPACT POWER SUPPLY DEVICE FOR A MOTOR VEHICLE COMPRISING REGULATED COOLING MEANS Jun 27, 2007 Abandoned
Array ( [id] => 4710905 [patent_doc_number] => 20080299431 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-12-04 [patent_title] => 'MEMBRANE ELECTRODE ASSEMBLY FOR FUEL CELL' [patent_app_type] => utility [patent_app_number] => 11/756997 [patent_app_country] => US [patent_app_date] => 2007-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 11597 [patent_no_of_claims] => 92 [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/A1/0299/20080299431.pdf [firstpage_image] =>[orig_patent_app_number] => 11756997 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/756997
MEMBRANE ELECTRODE ASSEMBLY FOR FUEL CELL May 31, 2007 Abandoned
Array ( [id] => 4778635 [patent_doc_number] => 20080286633 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-11-20 [patent_title] => 'Circuit testing device for solid oxide fuel cell' [patent_app_type] => utility [patent_app_number] => 11/804064 [patent_app_country] => US [patent_app_date] => 2007-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2773 [patent_no_of_claims] => 20 [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/A1/0286/20080286633.pdf [firstpage_image] =>[orig_patent_app_number] => 11804064 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/804064
Circuit testing device for solid oxide fuel cell May 16, 2007 Abandoned
Array ( [id] => 5732611 [patent_doc_number] => 20060257728 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-11-16 [patent_title] => 'Separators for use in alkaline cells having high capacity' [patent_app_type] => utility [patent_app_number] => 11/354729 [patent_app_country] => US [patent_app_date] => 2006-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 45 [patent_figures_cnt] => 45 [patent_no_of_words] => 51903 [patent_no_of_claims] => 39 [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/A1/0257/20060257728.pdf [firstpage_image] =>[orig_patent_app_number] => 11354729 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/354729
Separators for use in alkaline cells having high capacity Feb 14, 2006 Abandoned
Array ( [id] => 5159669 [patent_doc_number] => 20070172713 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-07-26 [patent_title] => 'Stress reducing bus bar for an electrolyte sheet and a solid oxide fuel cell utilizing such' [patent_app_type] => utility [patent_app_number] => 11/338128 [patent_app_country] => US [patent_app_date] => 2006-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5719 [patent_no_of_claims] => 24 [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/A1/0172/20070172713.pdf [firstpage_image] =>[orig_patent_app_number] => 11338128 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/338128
Stress reducing bus bar for an electrolyte sheet and a solid oxide fuel cell utilizing such Jan 22, 2006 Abandoned
Array ( [id] => 4669644 [patent_doc_number] => 20080044704 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-02-21 [patent_title] => 'Fuel Cell System' [patent_app_type] => utility [patent_app_number] => 11/659897 [patent_app_country] => US [patent_app_date] => 2005-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7129 [patent_no_of_claims] => 16 [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/A1/0044/20080044704.pdf [firstpage_image] =>[orig_patent_app_number] => 11659897 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/659897
Fuel Cell System Dec 21, 2005 Abandoned
Array ( [id] => 9950783 [patent_doc_number] => 08999566 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-04-07 [patent_title] => 'Pouch-type lithium secondary battery and fabrication method thereof' [patent_app_type] => utility [patent_app_number] => 11/280463 [patent_app_country] => US [patent_app_date] => 2005-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 4658 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 323 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 11280463 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/280463
Pouch-type lithium secondary battery and fabrication method thereof Nov 16, 2005 Issued
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