Search

Zewdu A. Beyen

Examiner (ID: 12139, Phone: (571)270-7157 , Office: P/2461 )

Most Active Art Unit
2461
Art Unit(s)
2416, 2461, 2419
Total Applications
921
Issued Applications
723
Pending Applications
84
Abandoned Applications
143

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19291466 [patent_doc_number] => 12030812 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-07-09 [patent_title] => Underwater rapid repair material for marine steel structure [patent_app_type] => utility [patent_app_number] => 18/429030 [patent_app_country] => US [patent_app_date] => 2024-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 5491 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 385 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18429030 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/429030
Underwater rapid repair material for marine steel structure Jan 30, 2024 Issued
Array ( [id] => 19196317 [patent_doc_number] => 11993543 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-05-28 [patent_title] => Concrete with volcanic ash and microsilica [patent_app_type] => utility [patent_app_number] => 18/398569 [patent_app_country] => US [patent_app_date] => 2023-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3290 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18398569 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/398569
Concrete with volcanic ash and microsilica Dec 27, 2023 Issued
Array ( [id] => 19127049 [patent_doc_number] => 20240132402 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-25 [patent_title] => CEMENTITIOUS REAGENTS, METHODS OF MANUFACTURING AND USES THEREOF [patent_app_type] => utility [patent_app_number] => 18/397074 [patent_app_country] => US [patent_app_date] => 2023-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23029 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 18397074 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/397074
Cementitious reagents, methods of manufacturing and uses thereof Dec 26, 2023 Issued
Array ( [id] => 19105708 [patent_doc_number] => 11958789 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-04-16 [patent_title] => Method for determining consistency coefficient of power-law cement grout [patent_app_type] => utility [patent_app_number] => 18/536550 [patent_app_country] => US [patent_app_date] => 2023-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 3051 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18536550 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/536550
Method for determining consistency coefficient of power-law cement grout Dec 11, 2023 Issued
Array ( [id] => 19151113 [patent_doc_number] => 11976009 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-05-07 [patent_title] => Three components kit for high performance green concrete [patent_app_type] => utility [patent_app_number] => 18/537742 [patent_app_country] => US [patent_app_date] => 2023-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 7259 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18537742 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/537742
Three components kit for high performance green concrete Dec 11, 2023 Issued
Array ( [id] => 19034003 [patent_doc_number] => 20240083818 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => Dry Mix and Concrete Composition Containing Bed Ash and Related Methods [patent_app_type] => utility [patent_app_number] => 18/508848 [patent_app_country] => US [patent_app_date] => 2023-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3862 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18508848 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/508848
Dry mix and concrete composition containing bed ash and related methods Nov 13, 2023 Issued
Array ( [id] => 19763117 [patent_doc_number] => 12221390 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-11 [patent_title] => Method for selecting the composition of a construction material comprising an excavated clay soil, method and system for preparing such a construction material [patent_app_type] => utility [patent_app_number] => 18/381365 [patent_app_country] => US [patent_app_date] => 2023-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 14428 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18381365 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/381365
Method for selecting the composition of a construction material comprising an excavated clay soil, method and system for preparing such a construction material Oct 17, 2023 Issued
Array ( [id] => 19076402 [patent_doc_number] => 11945752 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-04-02 [patent_title] => Barium slag-modified aluminate quick-hardening special cementing material and preparation method thereof [patent_app_type] => utility [patent_app_number] => 18/487622 [patent_app_country] => US [patent_app_date] => 2023-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3625 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [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] => 18487622 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/487622
Barium slag-modified aluminate quick-hardening special cementing material and preparation method thereof Oct 15, 2023 Issued
Array ( [id] => 19112603 [patent_doc_number] => 20240124353 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => COMPOSITIONS AND METHODS OF UTILIZING RECYCLED GLASS IN BACKFILL COMPOSITIONS [patent_app_type] => utility [patent_app_number] => 18/485940 [patent_app_country] => US [patent_app_date] => 2023-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9463 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18485940 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/485940
COMPOSITIONS AND METHODS OF UTILIZING RECYCLED GLASS IN BACKFILL COMPOSITIONS Oct 11, 2023 Pending
Array ( [id] => 19983859 [patent_doc_number] => 20250122081 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-17 [patent_title] => HYBRID AUTOMOTIVE PAINT SLUDGE (APS) CHAR PRODUCTS AND METHOD OF MANUFACTURE THEREOF [patent_app_type] => utility [patent_app_number] => 18/485854 [patent_app_country] => US [patent_app_date] => 2023-10-12 [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] => -17 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18485854 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/485854
HYBRID AUTOMOTIVE PAINT SLUDGE (APS) CHAR PRODUCTS AND METHOD OF MANUFACTURE THEREOF Oct 11, 2023 Pending
Array ( [id] => 18955000 [patent_doc_number] => 20240043327 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-08 [patent_title] => Compositions of Steel-microfiber Reinforced Ultra High Performance Concrete (UHPC) using recycled glass powder and processes for making the same [patent_app_type] => utility [patent_app_number] => 18/484456 [patent_app_country] => US [patent_app_date] => 2023-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11768 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18484456 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/484456
Compositions of Steel-microfiber Reinforced Ultra High Performance Concrete (UHPC) using recycled glass powder and processes for making the same Oct 10, 2023 Pending
Array ( [id] => 19745477 [patent_doc_number] => 20250034042 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => Basalt Fiber Reinforced Concrete [patent_app_type] => utility [patent_app_number] => 18/377375 [patent_app_country] => US [patent_app_date] => 2023-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3626 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18377375 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/377375
Basalt Fiber Reinforced Concrete Oct 5, 2023 Pending
Array ( [id] => 19060057 [patent_doc_number] => 11939264 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-03-26 [patent_title] => Preparation method for hydrothermal synthesis of fly ash silicate aggregate [patent_app_type] => utility [patent_app_number] => 18/373521 [patent_app_country] => US [patent_app_date] => 2023-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2868 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18373521 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/373521
Preparation method for hydrothermal synthesis of fly ash silicate aggregate Sep 26, 2023 Issued
Array ( [id] => 19608843 [patent_doc_number] => 12157709 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-03 [patent_title] => Process for production of hydraulic-carbonating binder systems through mechanochemical activation of minerals [patent_app_type] => utility [patent_app_number] => 18/470396 [patent_app_country] => US [patent_app_date] => 2023-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 16494 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18470396 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/470396
Process for production of hydraulic-carbonating binder systems through mechanochemical activation of minerals Sep 18, 2023 Issued
Array ( [id] => 19594145 [patent_doc_number] => 12151975 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-26 [patent_title] => Manufactured natural pozzolan from a calcined clay and ground mineral, manufactured natural pozzolan-based cement and method of making and using same [patent_app_type] => utility [patent_app_number] => 18/466199 [patent_app_country] => US [patent_app_date] => 2023-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6678 [patent_no_of_claims] => 21 [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] => 18466199 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/466199
Manufactured natural pozzolan from a calcined clay and ground mineral, manufactured natural pozzolan-based cement and method of making and using same Sep 12, 2023 Issued
Array ( [id] => 18861716 [patent_doc_number] => 20230416151 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => LIME-BASED CEMENT EXTENDER COMPOSITIONS, AND ASSOCIATED SYSTEMS AND METHODS [patent_app_type] => utility [patent_app_number] => 18/462334 [patent_app_country] => US [patent_app_date] => 2023-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7248 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18462334 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/462334
Lime-based cement extender compositions, and associated systems and methods Sep 5, 2023 Issued
Array ( [id] => 18861711 [patent_doc_number] => 20230416146 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => POZZOLANIC COMPOSITIONS CONTAINING COAL ASH AND REMEDIATION AGENTS FOR USE IN CEMENTITIOUS MATERIALS [patent_app_type] => utility [patent_app_number] => 18/240407 [patent_app_country] => US [patent_app_date] => 2023-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6718 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 18240407 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/240407
Pozzolanic compositions containing coal ash and remediation agents for use in cementitious materials Aug 30, 2023 Issued
Array ( [id] => 19003493 [patent_doc_number] => 20240067564 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-29 [patent_title] => METHOD FOR PREPARING CEMENTING MATERIAL BY SINTERING ACTIVATION OF COAL GANGUE [patent_app_type] => utility [patent_app_number] => 18/240372 [patent_app_country] => US [patent_app_date] => 2023-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6884 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18240372 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/240372
METHOD FOR PREPARING CEMENTING MATERIAL BY SINTERING ACTIVATION OF COAL GANGUE Aug 30, 2023 Pending
Array ( [id] => 20438567 [patent_doc_number] => 12509394 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-30 [patent_title] => Self-curing fluid solidified soil composite curing agent and its application [patent_app_type] => utility [patent_app_number] => 18/240972 [patent_app_country] => US [patent_app_date] => 2023-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1062 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18240972 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/240972
Self-curing fluid solidified soil composite curing agent and its application Aug 30, 2023 Issued
Array ( [id] => 19153646 [patent_doc_number] => 11978568 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-05-07 [patent_title] => Method for stabilizing neutralization slag of uranium associated zirconium and zirconia, and stabilization agent used therein [patent_app_type] => utility [patent_app_number] => 18/239313 [patent_app_country] => US [patent_app_date] => 2023-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3362 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18239313 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/239313
Method for stabilizing neutralization slag of uranium associated zirconium and zirconia, and stabilization agent used therein Aug 28, 2023 Issued
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