Search

Ramya Prakasam Burgess

Supervisory Patent Examiner (ID: 12468, Phone: (571)272-6011 , Office: P/3659 )

Most Active Art Unit
3651
Art Unit(s)
3661, 3651, 3600, 3659
Total Applications
502
Issued Applications
342
Pending Applications
16
Abandoned Applications
152

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 16488114 [patent_doc_number] => 20200381723 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-03 [patent_title] => LITHIUM SECONDARY BATTERY [patent_app_type] => utility [patent_app_number] => 16/884207 [patent_app_country] => US [patent_app_date] => 2020-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12961 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16884207 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/884207
LITHIUM SECONDARY BATTERY May 26, 2020 Pending
Array ( [id] => 16509630 [patent_doc_number] => 20200388886 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-10 [patent_title] => WET MIXTURE, POSITIVE ELECTRODE PLATE, AND METHOD OF PRODUCING LITHIUM ION SECONDARY BATTERY, AND WET MIXTURE, POSITIVE ELECTRODE PLATE, AND LITHIUM ION SECONDARY BATTERY [patent_app_type] => utility [patent_app_number] => 16/881545 [patent_app_country] => US [patent_app_date] => 2020-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6772 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16881545 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/881545
WET MIXTURE, POSITIVE ELECTRODE PLATE, AND METHOD OF PRODUCING LITHIUM ION SECONDARY BATTERY, AND WET MIXTURE, POSITIVE ELECTRODE PLATE, AND LITHIUM ION SECONDARY BATTERY May 21, 2020 Abandoned
Array ( [id] => 18190924 [patent_doc_number] => 11581529 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-14 [patent_title] => Submicron sized silicon powder with low oxygen content [patent_app_type] => utility [patent_app_number] => 16/868149 [patent_app_country] => US [patent_app_date] => 2020-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2826 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16868149 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/868149
Submicron sized silicon powder with low oxygen content May 5, 2020 Issued
Array ( [id] => 16226602 [patent_doc_number] => 20200251719 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-06 [patent_title] => COMPOSITE POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR PREPARING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING SAME [patent_app_type] => utility [patent_app_number] => 16/857466 [patent_app_country] => US [patent_app_date] => 2020-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9358 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16857466 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/857466
COMPOSITE POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR PREPARING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING SAME Apr 23, 2020 Abandoned
Array ( [id] => 16402693 [patent_doc_number] => 20200343551 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-29 [patent_title] => POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING THE SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 16/858516 [patent_app_country] => US [patent_app_date] => 2020-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13535 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16858516 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/858516
POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING THE SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME Apr 23, 2020 Pending
Array ( [id] => 16402692 [patent_doc_number] => 20200343550 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-29 [patent_title] => POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING THE SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 16/858429 [patent_app_country] => US [patent_app_date] => 2020-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11844 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16858429 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/858429
POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING THE SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME Apr 23, 2020 Pending
Array ( [id] => 16488113 [patent_doc_number] => 20200381722 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-03 [patent_title] => CATHODE ACTIVE MATERIAL AND SECONDARY BATTERY USING SAME [patent_app_type] => utility [patent_app_number] => 16/847636 [patent_app_country] => US [patent_app_date] => 2020-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7328 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16847636 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/847636
Cathode active material and secondary battery using same Apr 12, 2020 Issued
Array ( [id] => 17353388 [patent_doc_number] => 11228036 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-01-18 [patent_title] => High-performance lithium-containing organic sulfur electrode material and preparation method of integrated flexible electrode [patent_app_type] => utility [patent_app_number] => 16/972592 [patent_app_country] => US [patent_app_date] => 2020-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2556 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16972592 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/972592
High-performance lithium-containing organic sulfur electrode material and preparation method of integrated flexible electrode Mar 31, 2020 Issued
Array ( [id] => 19415060 [patent_doc_number] => 12080903 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-03 [patent_title] => Pressure management device for battery pack [patent_app_type] => utility [patent_app_number] => 17/600022 [patent_app_country] => US [patent_app_date] => 2020-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 32 [patent_figures_cnt] => 66 [patent_no_of_words] => 15661 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17600022 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/600022
Pressure management device for battery pack Mar 28, 2020 Issued
Array ( [id] => 18001226 [patent_doc_number] => 11502338 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-15 [patent_title] => Wound battery [patent_app_type] => utility [patent_app_number] => 16/814692 [patent_app_country] => US [patent_app_date] => 2020-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6608 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 303 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16814692 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/814692
Wound battery Mar 9, 2020 Issued
Array ( [id] => 20495307 [patent_doc_number] => 12537184 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-27 [patent_title] => Electrochemical device and electronic device [patent_app_type] => utility [patent_app_number] => 17/055628 [patent_app_country] => US [patent_app_date] => 2020-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 13796 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17055628 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/055628
Electrochemical device and electronic device Mar 2, 2020 Issued
Array ( [id] => 17041059 [patent_doc_number] => 20210257695 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-19 [patent_title] => Secondary Battery Case, and Secondary Battery [patent_app_type] => utility [patent_app_number] => 16/973159 [patent_app_country] => US [patent_app_date] => 2020-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7437 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16973159 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/973159
Secondary battery case, and secondary battery Feb 26, 2020 Issued
Array ( [id] => 20267183 [patent_doc_number] => 12438183 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-07 [patent_title] => Solid electrolyte sheet, method for manufacturing same, and sodium ion all-solid-state secondary cell [patent_app_type] => utility [patent_app_number] => 16/797118 [patent_app_country] => US [patent_app_date] => 2020-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 803 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16797118 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/797118
Solid electrolyte sheet, method for manufacturing same, and sodium ion all-solid-state secondary cell Feb 20, 2020 Issued
Array ( [id] => 19199278 [patent_doc_number] => 11996530 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-28 [patent_title] => Multi-layer contact plate configured to establish electrical bonds to battery cells in a battery module [patent_app_type] => utility [patent_app_number] => 16/774818 [patent_app_country] => US [patent_app_date] => 2020-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 57 [patent_figures_cnt] => 58 [patent_no_of_words] => 27156 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16774818 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/774818
Multi-layer contact plate configured to establish electrical bonds to battery cells in a battery module Jan 27, 2020 Issued
Array ( [id] => 16234270 [patent_doc_number] => 10741836 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-08-11 [patent_title] => Metal halide-silicon composites using zintl salts for silicon anode batteries [patent_app_type] => utility [patent_app_number] => 16/750233 [patent_app_country] => US [patent_app_date] => 2020-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5591 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 18 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16750233 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/750233
Metal halide-silicon composites using zintl salts for silicon anode batteries Jan 22, 2020 Issued
Array ( [id] => 18092943 [patent_doc_number] => 20220411284 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-29 [patent_title] => CATHODE ACTIVE MATERIAL, METHOD FOR MANUFACTURING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING CATHODE CONTAINING SAME [patent_app_type] => utility [patent_app_number] => 17/781110 [patent_app_country] => US [patent_app_date] => 2019-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11183 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17781110 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/781110
CATHODE ACTIVE MATERIAL, METHOD FOR MANUFACTURING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING CATHODE CONTAINING SAME Dec 25, 2019 Pending
Array ( [id] => 20189899 [patent_doc_number] => 12401024 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-26 [patent_title] => Negative electrode active material, negative electrode plate and battery [patent_app_type] => utility [patent_app_number] => 16/723578 [patent_app_country] => US [patent_app_date] => 2019-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2881 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16723578 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/723578
Negative electrode active material, negative electrode plate and battery Dec 19, 2019 Issued
Array ( [id] => 19374491 [patent_doc_number] => 12066048 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-20 [patent_title] => Battery module structured so as to prevent entry of foreign substances, and battery pack and motor vehicle comprising same [patent_app_type] => utility [patent_app_number] => 17/044629 [patent_app_country] => US [patent_app_date] => 2019-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 4613 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17044629 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/044629
Battery module structured so as to prevent entry of foreign substances, and battery pack and motor vehicle comprising same Dec 17, 2019 Issued
Array ( [id] => 16081671 [patent_doc_number] => 20200194822 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-18 [patent_title] => ELECTRODE PROTECTION USING A COMPOSITE COMPRISING AN ELECTROLYTE-INHIBITING ION CONDUCTOR [patent_app_type] => utility [patent_app_number] => 16/716363 [patent_app_country] => US [patent_app_date] => 2019-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17548 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16716363 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/716363
Electrode protection using a composite comprising an electrolyte-inhibiting ion conductor Dec 15, 2019 Issued
Array ( [id] => 16081589 [patent_doc_number] => 20200194781 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-18 [patent_title] => SECONDARY BATTERY [patent_app_type] => utility [patent_app_number] => 16/704199 [patent_app_country] => US [patent_app_date] => 2019-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7909 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16704199 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/704199
SECONDARY BATTERY Dec 4, 2019 Pending
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