Search

Stephone B. Allen

Supervisory Patent Examiner (ID: 13844, Phone: (571)272-2434 , Office: P/2872 )

Most Active Art Unit
2878
Art Unit(s)
2872, 2505, 2509, 2878, 2507, 2899
Total Applications
2150
Issued Applications
1787
Pending Applications
126
Abandoned Applications
238

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20802931 [patent_doc_number] => 12667822 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-30 [patent_title] => Structured powders for carbon dioxide capture [patent_app_type] => utility [patent_app_number] => 19/258385 [patent_app_country] => US [patent_app_date] => 2025-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 18 [patent_no_of_words] => 12718 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19258385 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/258385
Structured powders for carbon dioxide capture Jul 1, 2025 Issued
Array ( [id] => 20445053 [patent_doc_number] => 20260001770 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-01 [patent_title] => ZEOLITES BASED ON WASTE INCINERATION FLY ASH AND PREPARATION METHODS THEREOF [patent_app_type] => utility [patent_app_number] => 19/251836 [patent_app_country] => US [patent_app_date] => 2025-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2013 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 234 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19251836 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/251836
Zeolites based on waste incineration fly ash and preparation methods thereof Jun 26, 2025 Issued
Array ( [id] => 20135297 [patent_doc_number] => 20250242341 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-31 [patent_title] => PREPARATION METHOD FOR ACTIVATED COKE CATALYST CAPABLE OF SIMULTANEOUSLY REMOVING NO, SO2 AND HCl [patent_app_type] => utility [patent_app_number] => 19/027341 [patent_app_country] => US [patent_app_date] => 2025-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19027341 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/027341
Preparation capable of simultaneously removing NO, SO Jan 16, 2025 Issued
Array ( [id] => 20386452 [patent_doc_number] => 12486168 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-02 [patent_title] => Increasing yield of hypobromite when a bromide salt is reacted with bleach [patent_app_type] => utility [patent_app_number] => 18/965959 [patent_app_country] => US [patent_app_date] => 2024-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 799 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18965959 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/965959
Increasing yield of hypobromite when a bromide salt is reacted with bleach Dec 1, 2024 Issued
Array ( [id] => 19683798 [patent_doc_number] => 20250002343 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-02 [patent_title] => TWINNED TWO-DIMENSIONAL TELLURIUM CRYSTALS WITH CO-EXISTING OPPOSITE CHIRALITY [patent_app_type] => utility [patent_app_number] => 18/829917 [patent_app_country] => US [patent_app_date] => 2024-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4930 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18829917 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/829917
TWINNED TWO-DIMENSIONAL TELLURIUM CRYSTALS WITH CO-EXISTING OPPOSITE CHIRALITY Sep 9, 2024 Pending
Array ( [id] => 19586204 [patent_doc_number] => 20240383761 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => PRECIPITATED SILICA WITH IMPROVED PROCESSING PROPERTIES [patent_app_type] => utility [patent_app_number] => 18/789072 [patent_app_country] => US [patent_app_date] => 2024-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12484 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18789072 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/789072
PRECIPITATED SILICA WITH IMPROVED PROCESSING PROPERTIES Jul 29, 2024 Pending
Array ( [id] => 19883298 [patent_doc_number] => 12268984 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-04-08 [patent_title] => Process for removing hydrogen sulfide from sour gases with ZIF-8 mixed metal hydroxides composites [patent_app_type] => utility [patent_app_number] => 18/772460 [patent_app_country] => US [patent_app_date] => 2024-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 12607 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18772460 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/772460
Process for removing hydrogen sulfide from sour gases with ZIF-8 mixed metal hydroxides composites Jul 14, 2024 Issued
Array ( [id] => 20607393 [patent_doc_number] => 12582974 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-24 [patent_title] => No [patent_app_type] => utility [patent_app_number] => 18/772490 [patent_app_country] => US [patent_app_date] => 2024-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 0 [patent_no_of_claims] => 17 [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] => 18772490 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/772490
No Jul 14, 2024 Issued
Array ( [id] => 19570869 [patent_doc_number] => 20240375161 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-14 [patent_title] => NOVEL REMEDIATING COMPOSITION [patent_app_type] => utility [patent_app_number] => 18/768276 [patent_app_country] => US [patent_app_date] => 2024-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4804 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 18768276 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/768276
NOVEL REMEDIATING COMPOSITION Jul 9, 2024 Pending
Array ( [id] => 19542958 [patent_doc_number] => 20240359994 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-31 [patent_title] => SUPERCRITICAL DRYING METHOD FOR SILICA WET GEL BLANKET [patent_app_type] => utility [patent_app_number] => 18/767608 [patent_app_country] => US [patent_app_date] => 2024-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6804 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18767608 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/767608
SUPERCRITICAL DRYING METHOD FOR SILICA WET GEL BLANKET Jul 8, 2024 Pending
Array ( [id] => 19527083 [patent_doc_number] => 20240350985 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => SYSTEM FOR STORING CHEMICAL LIQUID AND METHOD FOR ADJUSTING GAS CONCENTRATION IN CHEMICAL LIQUID [patent_app_type] => utility [patent_app_number] => 18/763852 [patent_app_country] => US [patent_app_date] => 2024-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5857 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18763852 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/763852
SYSTEM FOR STORING CHEMICAL LIQUID AND METHOD FOR ADJUSTING GAS CONCENTRATION IN CHEMICAL LIQUID Jul 2, 2024 Pending
Array ( [id] => 19463925 [patent_doc_number] => 20240317594 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => Zeolite Syntheses Using Diquaternary Structure Directing Agents [patent_app_type] => utility [patent_app_number] => 18/733491 [patent_app_country] => US [patent_app_date] => 2024-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9770 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [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] => 18733491 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/733491
Zeolite syntheses using diquaternary structure directing agents Jun 3, 2024 Issued
Array ( [id] => 20687559 [patent_doc_number] => 12617694 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-05 [patent_title] => Low alpha-ray emission stannous oxide and method of producing the same [patent_app_type] => utility [patent_app_number] => 18/653084 [patent_app_country] => US [patent_app_date] => 2024-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3378 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18653084 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/653084
Low alpha-ray emission stannous oxide and method of producing the same May 1, 2024 Issued
Array ( [id] => 20527548 [patent_doc_number] => 12545975 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-10 [patent_title] => Methods and compositions for recovery of lithium from liquid solutions with nanoparticles [patent_app_type] => utility [patent_app_number] => 18/643610 [patent_app_country] => US [patent_app_date] => 2024-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 0 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18643610 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/643610
Methods and compositions for recovery of lithium from liquid solutions with nanoparticles Apr 22, 2024 Issued
Array ( [id] => 19359695 [patent_doc_number] => 20240261729 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => CARBON DIOXIDE-CAPTURING CEMENT COMPOSITIONS AND RELATED METHODS [patent_app_type] => utility [patent_app_number] => 18/608727 [patent_app_country] => US [patent_app_date] => 2024-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9113 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18608727 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/608727
CARBON DIOXIDE-CAPTURING CEMENT COMPOSITIONS AND RELATED METHODS Mar 17, 2024 Abandoned
Array ( [id] => 19299739 [patent_doc_number] => 20240228308 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-11 [patent_title] => SYNTHESIS OF *MRE FRAMEWORK TYPE MOLECULAR SIEVES [patent_app_type] => utility [patent_app_number] => 18/604633 [patent_app_country] => US [patent_app_date] => 2024-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2805 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 18604633 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/604633
SYNTHESIS OF *MRE FRAMEWORK TYPE MOLECULAR SIEVES Mar 13, 2024 Pending
Array ( [id] => 19447724 [patent_doc_number] => 20240307854 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => EXHAUST GAS PURIFYING CATALYST [patent_app_type] => utility [patent_app_number] => 18/413452 [patent_app_country] => US [patent_app_date] => 2024-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4610 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [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] => 18413452 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/413452
EXHAUST GAS PURIFYING CATALYST Jan 15, 2024 Pending
Array ( [id] => 19317185 [patent_doc_number] => 20240238725 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-18 [patent_title] => CATALYST COMPOSITION [patent_app_type] => utility [patent_app_number] => 18/409927 [patent_app_country] => US [patent_app_date] => 2024-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6278 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18409927 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/409927
CATALYST COMPOSITION Jan 10, 2024 Pending
Array ( [id] => 19140914 [patent_doc_number] => 20240139718 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => PEROVSKITE METAL OXIDE CATALYST, IN WHICH METAL ION IS SUBSTITUTED, FOR REDUCING CARBON DEPOSITION, PREPARATION METHOD THEREFOR, AND METHANE REFORMING REACTION METHOD USING SAME [patent_app_type] => utility [patent_app_number] => 18/410777 [patent_app_country] => US [patent_app_date] => 2024-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7071 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18410777 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/410777
PEROVSKITE METAL OXIDE CATALYST, IN WHICH METAL ION IS SUBSTITUTED, FOR REDUCING CARBON DEPOSITION, PREPARATION METHOD THEREFOR, AND METHANE REFORMING REACTION METHOD USING SAME Jan 10, 2024 Pending
Array ( [id] => 19331632 [patent_doc_number] => 20240246062 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-25 [patent_title] => PROCESS AND CIRCUIT FOR REINTERCALATING SPENT LITHIUM SELECTIVE ADSORBENTS [patent_app_type] => utility [patent_app_number] => 18/409732 [patent_app_country] => US [patent_app_date] => 2024-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12671 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -60 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18409732 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/409732
PROCESS AND CIRCUIT FOR REINTERCALATING SPENT LITHIUM SELECTIVE ADSORBENTS Jan 9, 2024 Pending
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