Search

David E. Sosnowski

Examiner (ID: 4273, Phone: (571)270-7944 , Office: P/3673 )

Most Active Art Unit
3673
Art Unit(s)
3745, 3673
Total Applications
482
Issued Applications
296
Pending Applications
76
Abandoned Applications
130

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20186173 [patent_doc_number] => 12397275 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-26 [patent_title] => CDR reactor having multilayered catalyst layer arrangement for preventing catalyst deactivation [patent_app_type] => utility [patent_app_number] => 17/296152 [patent_app_country] => US [patent_app_date] => 2019-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17296152 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/296152
CDR reactor having multilayered catalyst layer arrangement for preventing catalyst deactivation Nov 21, 2019 Issued
Array ( [id] => 17355800 [patent_doc_number] => 20220016596 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-20 [patent_title] => Process for Producing Superabsorbents [patent_app_type] => utility [patent_app_number] => 17/289328 [patent_app_country] => US [patent_app_date] => 2019-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3906 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17289328 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/289328
Process for producing superabsorbents Nov 3, 2019 Issued
Array ( [id] => 20315961 [patent_doc_number] => 12454503 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-28 [patent_title] => Process for producing superabsorbents [patent_app_type] => utility [patent_app_number] => 17/289302 [patent_app_country] => US [patent_app_date] => 2019-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 0 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17289302 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/289302
Process for producing superabsorbents Nov 3, 2019 Issued
Array ( [id] => 15797969 [patent_doc_number] => 20200122127 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-23 [patent_title] => CATALYST FOR CHEMICAL LOOPING COMBUSTION [patent_app_type] => utility [patent_app_number] => 16/656653 [patent_app_country] => US [patent_app_date] => 2019-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12306 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16656653 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/656653
CATALYST FOR CHEMICAL LOOPING COMBUSTION Oct 17, 2019 Abandoned
Array ( [id] => 17199927 [patent_doc_number] => 20210340022 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-04 [patent_title] => POROUS ELECTROCHROMIC NIOBIUM OXIDE FILMS AND METHODS OF MAKING AND USE THEREOF [patent_app_type] => utility [patent_app_number] => 17/283089 [patent_app_country] => US [patent_app_date] => 2019-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 36523 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17283089 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/283089
Porous electrochromic niobium oxide films and methods of making and use thereof Oct 7, 2019 Issued
Array ( [id] => 19536961 [patent_doc_number] => 12129502 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-29 [patent_title] => Method for removing impurities from nanoparticles [patent_app_type] => utility [patent_app_number] => 16/589394 [patent_app_country] => US [patent_app_date] => 2019-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 31636 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 430 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16589394 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/589394
Method for removing impurities from nanoparticles Sep 30, 2019 Issued
Array ( [id] => 18478153 [patent_doc_number] => 11691883 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-04 [patent_title] => Synthesis of trichlorosilane from tetrachlorosilane and hydridosilanes [patent_app_type] => utility [patent_app_number] => 17/273796 [patent_app_country] => US [patent_app_date] => 2019-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 11511 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17273796 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/273796
Synthesis of trichlorosilane from tetrachlorosilane and hydridosilanes Sep 4, 2019 Issued
Array ( [id] => 20077471 [patent_doc_number] => 12351521 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-08 [patent_title] => Silicon nitride ceramic material for mobile phone rear cover and preparation method therefor [patent_app_type] => utility [patent_app_number] => 17/275148 [patent_app_country] => US [patent_app_date] => 2019-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1273 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 307 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17275148 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/275148
Silicon nitride ceramic material for mobile phone rear cover and preparation method therefor Aug 29, 2019 Issued
Array ( [id] => 15625103 [patent_doc_number] => 20200082956 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-12 [patent_title] => SYTEM AND METHOD FOR COLLECTING AND ISOLATING RADIOSOTOPES [patent_app_type] => utility [patent_app_number] => 16/554048 [patent_app_country] => US [patent_app_date] => 2019-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4249 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16554048 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/554048
System and method for collecting and isolating radiosotopes Aug 27, 2019 Issued
Array ( [id] => 17851711 [patent_doc_number] => 20220281753 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-08 [patent_title] => METHOD FOR SEQUESTERING CARBON [patent_app_type] => utility [patent_app_number] => 17/638814 [patent_app_country] => US [patent_app_date] => 2019-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1627 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17638814 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/638814
METHOD FOR SEQUESTERING CARBON Aug 25, 2019 Pending
Array ( [id] => 15433177 [patent_doc_number] => 20200030771 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-30 [patent_title] => RADIONUCLIDE ADSORBENT, METHOD FOR PREPARING THE SAME AND METHOD FOR REMOVING RADIONUCLIDE USING THE SAME [patent_app_type] => utility [patent_app_number] => 16/523461 [patent_app_country] => US [patent_app_date] => 2019-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6367 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 16523461 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/523461
RADIONUCLIDE ADSORBENT, METHOD FOR PREPARING THE SAME AND METHOD FOR REMOVING RADIONUCLIDE USING THE SAME Jul 25, 2019 Abandoned
Array ( [id] => 16901584 [patent_doc_number] => 20210180500 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-17 [patent_title] => SCR CATALYST FOR THE TREATMENT OF AN EXHAUST GAS OF A DIESEL ENGINE [patent_app_type] => utility [patent_app_number] => 17/257953 [patent_app_country] => US [patent_app_date] => 2019-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20583 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17257953 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/257953
SCR catalyst for the treatment of an exhaust gas of a diesel engine Jul 23, 2019 Issued
Array ( [id] => 19457009 [patent_doc_number] => 12097481 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-24 [patent_title] => Process for preparing metal organic frameworks having improved water stability [patent_app_type] => utility [patent_app_number] => 17/260525 [patent_app_country] => US [patent_app_date] => 2019-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 7835 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17260525 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/260525
Process for preparing metal organic frameworks having improved water stability Jul 21, 2019 Issued
Array ( [id] => 16962728 [patent_doc_number] => 20210214227 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-15 [patent_title] => METHOD FOR PREPARING CARBON NANOTUBES [patent_app_type] => utility [patent_app_number] => 17/059945 [patent_app_country] => US [patent_app_date] => 2019-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5006 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17059945 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/059945
Method for preparing carbon nanotubes Jul 21, 2019 Issued
Array ( [id] => 17586870 [patent_doc_number] => 11325115 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-10 [patent_title] => Visible-light response hybrid aerogel and preparation method and application thereof in waste gas processing [patent_app_type] => utility [patent_app_number] => 16/509354 [patent_app_country] => US [patent_app_date] => 2019-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 2078 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16509354 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/509354
Visible-light response hybrid aerogel and preparation method and application thereof in waste gas processing Jul 10, 2019 Issued
Array ( [id] => 17111585 [patent_doc_number] => 20210292182 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-23 [patent_title] => CALCIUM TITANATE POWDER, METHOD FOR PRODUCING SAME AND EXTERNAL TONER ADDITIVE FOR ELECTROPHOTOGRAPHY [patent_app_type] => utility [patent_app_number] => 17/260895 [patent_app_country] => US [patent_app_date] => 2019-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6748 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 17260895 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/260895
Calcium titanate powder, method for producing same and external toner additive for electrophotography Jul 10, 2019 Issued
Array ( [id] => 16914384 [patent_doc_number] => 20210187476 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-24 [patent_title] => Chromatography Beads, Production and Use Threreof [patent_app_type] => utility [patent_app_number] => 17/252378 [patent_app_country] => US [patent_app_date] => 2019-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3600 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17252378 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/252378
Chromatography Beads, Production and Use Threreof Jun 24, 2019 Pending
Array ( [id] => 17022165 [patent_doc_number] => 20210246036 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-12 [patent_title] => METHOD FOR PRODUCING ELEMENTAL SILICON [patent_app_type] => utility [patent_app_number] => 16/973906 [patent_app_country] => US [patent_app_date] => 2019-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4697 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16973906 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/973906
METHOD FOR PRODUCING ELEMENTAL SILICON Jun 12, 2019 Abandoned
Array ( [id] => 18837003 [patent_doc_number] => 11845060 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-19 [patent_title] => Process for the preparation of homogeneous hybrid materials [patent_app_type] => utility [patent_app_number] => 17/059543 [patent_app_country] => US [patent_app_date] => 2019-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3161 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17059543 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/059543
Process for the preparation of homogeneous hybrid materials May 27, 2019 Issued
Array ( [id] => 19674901 [patent_doc_number] => 12186740 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-07 [patent_title] => Kits comprising containers with at least one solid catalytically active compound, and their uses in solid state reaction [patent_app_type] => utility [patent_app_number] => 17/058346 [patent_app_country] => US [patent_app_date] => 2019-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 13365 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [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] => 17058346 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/058346
Kits comprising containers with at least one solid catalytically active compound, and their uses in solid state reaction May 23, 2019 Issued
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