Search

Sreenivasan Padmanabhan

Supervisory Patent Examiner (ID: 16722, Phone: (571)272-0629 , Office: P/1627 )

Most Active Art Unit
1621
Art Unit(s)
1617, 1627, 1621, 1204
Total Applications
773
Issued Applications
622
Pending Applications
48
Abandoned Applications
103

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18210357 [patent_doc_number] => 20230056619 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-23 [patent_title] => PROCESS OF EXTRACTION OF LITHIUM FROM A MATERIAL COMPRISING LITHIUM AND AT LEAST ANOTHER METAL [patent_app_type] => utility [patent_app_number] => 17/759128 [patent_app_country] => US [patent_app_date] => 2021-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6251 [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] => 17759128 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/759128
PROCESS OF EXTRACTION OF LITHIUM FROM A MATERIAL COMPRISING LITHIUM AND AT LEAST ANOTHER METAL Jan 18, 2021 Pending
Array ( [id] => 17719463 [patent_doc_number] => 20220212182 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-07 [patent_title] => METHOD TO COAT HYDROSCOPIC CATALYST PARTICLES TO PREVENT WATER ADSORPTION [patent_app_type] => utility [patent_app_number] => 17/140827 [patent_app_country] => US [patent_app_date] => 2021-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5059 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17140827 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/140827
METHOD TO COAT HYDROSCOPIC CATALYST PARTICLES TO PREVENT WATER ADSORPTION Jan 3, 2021 Abandoned
Array ( [id] => 16932226 [patent_doc_number] => 20210198115 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-01 [patent_title] => Potassium Boron-Containing Compositions and Their Preparation [patent_app_type] => utility [patent_app_number] => 17/125461 [patent_app_country] => US [patent_app_date] => 2020-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5505 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 25 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17125461 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/125461
Potassium Boron-Containing Compositions and Their Preparation Dec 16, 2020 Pending
Array ( [id] => 16914390 [patent_doc_number] => 20210187482 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-24 [patent_title] => METHOD FOR PRODUCING NOBLE METAL FINE PARTICLE-SUPPORTED CATALYST, METHOD FOR PRODUCING NOBLE METAL FINE PARTICLES, NOBLE METAL FINE PARTICLE-SUPPORTED CATALYST, AND NOBLE METAL FINE PARTICLES [patent_app_type] => utility [patent_app_number] => 17/122590 [patent_app_country] => US [patent_app_date] => 2020-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6531 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 20 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17122590 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/122590
METHOD FOR PRODUCING NOBLE METAL FINE PARTICLE-SUPPORTED CATALYST, METHOD FOR PRODUCING NOBLE METAL FINE PARTICLES, NOBLE METAL FINE PARTICLE-SUPPORTED CATALYST, AND NOBLE METAL FINE PARTICLES Dec 14, 2020 Abandoned
Array ( [id] => 17111576 [patent_doc_number] => 20210292173 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-23 [patent_title] => Method of making high quality silicon sulfide [patent_app_type] => utility [patent_app_number] => 16/974249 [patent_app_country] => US [patent_app_date] => 2020-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1924 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 15 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16974249 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/974249
Method of making high quality silicon sulfide Nov 30, 2020 Issued
Array ( [id] => 17111575 [patent_doc_number] => 20210292172 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-23 [patent_title] => FABRICATION OF BLUE-FLUORESCENT AND NON-TOXIC NANODIAMONDS 9NDs) FROM ATMOSPHERIC PARTICULATE MATTERS [patent_app_type] => utility [patent_app_number] => 17/204467 [patent_app_country] => US [patent_app_date] => 2021-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6121 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17204467 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/204467
FABRICATION OF BLUE-FLUORESCENT AND NON-TOXIC NANODIAMONDS 9NDs) FROM ATMOSPHERIC PARTICULATE MATTERS Nov 26, 2020 Abandoned
Array ( [id] => 18108511 [patent_doc_number] => 20230001391 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-05 [patent_title] => EXHAUST GAS PURIFICATION CATALYST [patent_app_type] => utility [patent_app_number] => 17/780622 [patent_app_country] => US [patent_app_date] => 2020-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11767 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17780622 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/780622
Exhaust gas purification catalyst Nov 26, 2020 Issued
Array ( [id] => 19226583 [patent_doc_number] => 12006216 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-11 [patent_title] => Mesoporous carbon and manufacturing method of the same, and polymer electrolyte fuel cell [patent_app_type] => utility [patent_app_number] => 17/105417 [patent_app_country] => US [patent_app_date] => 2020-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 9859 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17105417 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/105417
Mesoporous carbon and manufacturing method of the same, and polymer electrolyte fuel cell Nov 24, 2020 Issued
Array ( [id] => 16869834 [patent_doc_number] => 20210163301 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-03 [patent_title] => METHOD FOR PRODUCING LARGE GRANULAR ALPHA-PHASE SILICON CARBIDE POWDERS WITH A HIGH-PURITY [patent_app_type] => utility [patent_app_number] => 17/105200 [patent_app_country] => US [patent_app_date] => 2020-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4392 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17105200 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/105200
METHOD FOR PRODUCING LARGE GRANULAR ALPHA-PHASE SILICON CARBIDE POWDERS WITH A HIGH-PURITY Nov 24, 2020 Abandoned
Array ( [id] => 17213536 [patent_doc_number] => 20210346872 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-11 [patent_title] => LIGNITE CHAR SUPPORTED NANO-COBALT COMPOSITE CATALYST AND PREPARATION METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 17/101680 [patent_app_country] => US [patent_app_date] => 2020-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4059 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17101680 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/101680
Lignite char supported nano-cobalt composite catalyst and preparation method thereof Nov 22, 2020 Issued
Array ( [id] => 18050910 [patent_doc_number] => 11524279 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-12-13 [patent_title] => Transition metal carbides for catalytic methane activation [patent_app_type] => utility [patent_app_number] => 16/951780 [patent_app_country] => US [patent_app_date] => 2020-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 34 [patent_figures_cnt] => 24 [patent_no_of_words] => 10905 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16951780 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/951780
Transition metal carbides for catalytic methane activation Nov 17, 2020 Issued
Array ( [id] => 19373209 [patent_doc_number] => 12064749 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-20 [patent_title] => High geometric surface area catalysts for vinyl acetate monomer production [patent_app_type] => utility [patent_app_number] => 17/092065 [patent_app_country] => US [patent_app_date] => 2020-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 7839 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17092065 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/092065
High geometric surface area catalysts for vinyl acetate monomer production Nov 5, 2020 Issued
Array ( [id] => 16806560 [patent_doc_number] => 20210129113 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-06 [patent_title] => TITANATED CATALYSTS, METHODS OF PREPARING TITANATED CATALYSTS, AND METHODS OF EPOXIDATION [patent_app_type] => utility [patent_app_number] => 17/087233 [patent_app_country] => US [patent_app_date] => 2020-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6128 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17087233 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/087233
TITANATED CATALYSTS, METHODS OF PREPARING TITANATED CATALYSTS, AND METHODS OF EPOXIDATION Nov 1, 2020 Abandoned
Array ( [id] => 20527166 [patent_doc_number] => 12545590 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-10 [patent_title] => Halloysite powder [patent_app_type] => utility [patent_app_number] => 17/771111 [patent_app_country] => US [patent_app_date] => 2020-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2719 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17771111 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/771111
Halloysite powder Oct 25, 2020 Issued
Array ( [id] => 16581850 [patent_doc_number] => 20210016252 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-21 [patent_title] => POLYOLEFIN PRODUCTION WITH CHROMIUM-BASED CATALYSTS [patent_app_type] => utility [patent_app_number] => 17/064690 [patent_app_country] => US [patent_app_date] => 2020-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 36904 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 17064690 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/064690
POLYOLEFIN PRODUCTION WITH CHROMIUM-BASED CATALYSTS Oct 6, 2020 Pending
Array ( [id] => 17850880 [patent_doc_number] => 20220280921 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-08 [patent_title] => EXHAUST GAS PURIFICATION CATALYST, METHOD OF PURIFYING EXHAUST GAS, AND METHOD OF MANUFACTURING EXHAUST GAS PURIFICATION CATALYST [patent_app_type] => utility [patent_app_number] => 17/641160 [patent_app_country] => US [patent_app_date] => 2020-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8085 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17641160 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/641160
EXHAUST GAS PURIFICATION CATALYST, METHOD OF PURIFYING EXHAUST GAS, AND METHOD OF MANUFACTURING EXHAUST GAS PURIFICATION CATALYST Oct 5, 2020 Abandoned
Array ( [id] => 16792048 [patent_doc_number] => 20210121865 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-29 [patent_title] => POROUS CATALYST CARRIER PARTICLES AND METHODS OF FORMING THEREOF [patent_app_type] => utility [patent_app_number] => 16/948695 [patent_app_country] => US [patent_app_date] => 2020-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18838 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16948695 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/948695
POROUS CATALYST CARRIER PARTICLES AND METHODS OF FORMING THEREOF Sep 28, 2020 Abandoned
Array ( [id] => 18666151 [patent_doc_number] => 11773028 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-03 [patent_title] => Composite material and method of removing fluoride ion in waste liquid [patent_app_type] => utility [patent_app_number] => 17/036801 [patent_app_country] => US [patent_app_date] => 2020-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3711 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17036801 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/036801
Composite material and method of removing fluoride ion in waste liquid Sep 28, 2020 Issued
Array ( [id] => 17503926 [patent_doc_number] => 20220097028 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => PROCESS FOR PREPARING AN EPOXIDATION CATALYST [patent_app_type] => utility [patent_app_number] => 17/034410 [patent_app_country] => US [patent_app_date] => 2020-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12508 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 257 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17034410 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/034410
PROCESS FOR PREPARING AN EPOXIDATION CATALYST Sep 27, 2020 Abandoned
Array ( [id] => 16776922 [patent_doc_number] => 20210113999 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-22 [patent_title] => NICKEL-IRON ALLOY HYDROGENATION CATALYST AND FABRICATING METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 17/029281 [patent_app_country] => US [patent_app_date] => 2020-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4123 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17029281 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/029281
Nickel-iron alloy hydrogenation catalyst and fabricating method thereof Sep 22, 2020 Issued
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