Search

Kwasi Karikari

Examiner (ID: 2226, Phone: (571)272-8566 , Office: P/2641 )

Most Active Art Unit
2641
Art Unit(s)
2686, 2617, 2641
Total Applications
1541
Issued Applications
1172
Pending Applications
96
Abandoned Applications
300

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18721737 [patent_doc_number] => 11799095 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-24 [patent_title] => Conductive member, cell, cell stack device, module, and module housing device [patent_app_type] => utility [patent_app_number] => 17/799905 [patent_app_country] => US [patent_app_date] => 2021-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 8384 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17799905 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/799905
Conductive member, cell, cell stack device, module, and module housing device Jun 28, 2021 Issued
Array ( [id] => 18827845 [patent_doc_number] => 11843138 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-12 [patent_title] => Metal separator and fuel cell stack [patent_app_type] => utility [patent_app_number] => 17/360110 [patent_app_country] => US [patent_app_date] => 2021-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 11292 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 280 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17360110 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/360110
Metal separator and fuel cell stack Jun 27, 2021 Issued
Array ( [id] => 17145544 [patent_doc_number] => 20210313557 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-07 [patent_title] => NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND METHOD OF PREPARING THE SAME [patent_app_type] => utility [patent_app_number] => 17/354060 [patent_app_country] => US [patent_app_date] => 2021-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7485 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17354060 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/354060
NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND METHOD OF PREPARING THE SAME Jun 21, 2021 Abandoned
Array ( [id] => 18358020 [patent_doc_number] => 11646428 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-09 [patent_title] => Photocurable resin composition, fuel cell, and sealing method [patent_app_type] => utility [patent_app_number] => 17/349171 [patent_app_country] => US [patent_app_date] => 2021-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 12558 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17349171 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/349171
Photocurable resin composition, fuel cell, and sealing method Jun 15, 2021 Issued
Array ( [id] => 17709246 [patent_doc_number] => 20220209254 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-30 [patent_title] => Multiple Perforation Plate for Fuel Cell Separators [patent_app_type] => utility [patent_app_number] => 17/346516 [patent_app_country] => US [patent_app_date] => 2021-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4640 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17346516 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/346516
Multiple perforation plate for fuel cell separators Jun 13, 2021 Issued
Array ( [id] => 18515003 [patent_doc_number] => 20230231273 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-20 [patent_title] => IMPROVED MICROPOROUS MEMBRANE AND DEVICES COMPRISING THE SAME [patent_app_type] => utility [patent_app_number] => 18/009342 [patent_app_country] => US [patent_app_date] => 2021-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6274 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -31 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18009342 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/009342
IMPROVED MICROPOROUS MEMBRANE AND DEVICES COMPRISING THE SAME Jun 10, 2021 Pending
Array ( [id] => 17818834 [patent_doc_number] => 11424460 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-08-23 [patent_title] => Four-fluid bipolar plate for fuel cell [patent_app_type] => utility [patent_app_number] => 17/344377 [patent_app_country] => US [patent_app_date] => 2021-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 19 [patent_no_of_words] => 8179 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17344377 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/344377
Four-fluid bipolar plate for fuel cell Jun 9, 2021 Issued
Array ( [id] => 17116050 [patent_doc_number] => 20210296647 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-23 [patent_title] => Positive Electrode Active Material For Lithium Secondary Battery, Comprising Lithium Cobalt Oxide For High Voltage, And Method For Preparing Same [patent_app_type] => utility [patent_app_number] => 17/341950 [patent_app_country] => US [patent_app_date] => 2021-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7811 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17341950 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/341950
Positive electrode active material for lithium secondary battery, comprising lithium cobalt oxide for high voltage, and method for preparing same Jun 7, 2021 Issued
Array ( [id] => 17116063 [patent_doc_number] => 20210296660 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-23 [patent_title] => BIPOLAR PLATE OF FUEL CELL AND METHOD FOR MANUFACTURING THE SAME [patent_app_type] => utility [patent_app_number] => 17/341262 [patent_app_country] => US [patent_app_date] => 2021-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11829 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17341262 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/341262
BIPOLAR PLATE OF FUEL CELL AND METHOD FOR MANUFACTURING THE SAME Jun 6, 2021 Abandoned
Array ( [id] => 18001201 [patent_doc_number] => 11502313 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-15 [patent_title] => Fuel cell [patent_app_type] => utility [patent_app_number] => 17/323218 [patent_app_country] => US [patent_app_date] => 2021-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 4096 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17323218 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/323218
Fuel cell May 17, 2021 Issued
Array ( [id] => 18456732 [patent_doc_number] => 20230198014 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => BATTERY CELL COMPRISING SPECIAL POROUS SOLID ELECTROLYTE FOAMS [patent_app_type] => utility [patent_app_number] => 17/999089 [patent_app_country] => US [patent_app_date] => 2021-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4529 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17999089 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/999089
BATTERY CELL COMPRISING SPECIAL POROUS SOLID ELECTROLYTE FOAMS May 10, 2021 Pending
Array ( [id] => 20204252 [patent_doc_number] => 12407039 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-02 [patent_title] => Battery module and method for manufacturing the same [patent_app_type] => utility [patent_app_number] => 17/783148 [patent_app_country] => US [patent_app_date] => 2021-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 1089 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 223 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17783148 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/783148
Battery module and method for manufacturing the same Apr 29, 2021 Issued
Array ( [id] => 17700497 [patent_doc_number] => 11374232 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-06-28 [patent_title] => Dielectric separator for fuel cell stack assembly and manufacturing method thereof [patent_app_type] => utility [patent_app_number] => 17/244098 [patent_app_country] => US [patent_app_date] => 2021-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 14 [patent_no_of_words] => 5790 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17244098 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/244098
Dielectric separator for fuel cell stack assembly and manufacturing method thereof Apr 28, 2021 Issued
Array ( [id] => 20267227 [patent_doc_number] => 12438227 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-07 [patent_title] => Battery pack and device including the same [patent_app_type] => utility [patent_app_number] => 17/772096 [patent_app_country] => US [patent_app_date] => 2021-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 0 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17772096 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/772096
Battery pack and device including the same Apr 12, 2021 Issued
Array ( [id] => 18283178 [patent_doc_number] => 20230098650 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-30 [patent_title] => SEPARATOR FOR LITHIUM SECONDARY BATTERY, METHOD FOR MANUFACTURING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING SAME [patent_app_type] => utility [patent_app_number] => 17/908394 [patent_app_country] => US [patent_app_date] => 2021-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6543 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17908394 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/908394
Separator for lithium secondary battery, method for manufacturing same, and lithium secondary battery comprising same Mar 30, 2021 Issued
Array ( [id] => 20244373 [patent_doc_number] => 12424707 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Separator for lithium secondary battery, manufacturing method therefor, and lithium secondary battery comprising same [patent_app_type] => utility [patent_app_number] => 17/801824 [patent_app_country] => US [patent_app_date] => 2021-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3146 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17801824 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/801824
Separator for lithium secondary battery, manufacturing method therefor, and lithium secondary battery comprising same Mar 30, 2021 Issued
Array ( [id] => 17145581 [patent_doc_number] => 20210313594 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-07 [patent_title] => GAS FLOW PATH STRUCTURE, SUPPORT PLATE AND FUEL CELL [patent_app_type] => utility [patent_app_number] => 17/211406 [patent_app_country] => US [patent_app_date] => 2021-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5579 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17211406 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/211406
GAS FLOW PATH STRUCTURE, SUPPORT PLATE AND FUEL CELL Mar 23, 2021 Abandoned
Array ( [id] => 18001200 [patent_doc_number] => 11502312 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-15 [patent_title] => Resin frame equipped membrane electrode assembly and method of producing resin frame member for fuel cell [patent_app_type] => utility [patent_app_number] => 17/204305 [patent_app_country] => US [patent_app_date] => 2021-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 8687 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17204305 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/204305
Resin frame equipped membrane electrode assembly and method of producing resin frame member for fuel cell Mar 16, 2021 Issued
Array ( [id] => 18334967 [patent_doc_number] => 20230126915 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-27 [patent_title] => ENERGY STORAGE FACILITY [patent_app_type] => utility [patent_app_number] => 17/914696 [patent_app_country] => US [patent_app_date] => 2021-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13796 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17914696 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/914696
ENERGY STORAGE FACILITY Mar 14, 2021 Pending
Array ( [id] => 18131556 [patent_doc_number] => 11557774 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-17 [patent_title] => Metal separator [patent_app_type] => utility [patent_app_number] => 17/198559 [patent_app_country] => US [patent_app_date] => 2021-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 9393 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17198559 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/198559
Metal separator Mar 10, 2021 Issued
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